./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_2-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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:54:29,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:54:29,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:54:29,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:54:29,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:54:29,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:54:29,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:54:29,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:54:29,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:54:29,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:54:29,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:54:29,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:54:29,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:54:29,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:54:29,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:54:29,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:54:29,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:54:29,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:54:29,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:54:29,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:54:29,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:54:29,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:54:29,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:54:29,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:54:29,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:54:29,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:54:29,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:54:29,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:54:29,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:54:29,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:54:29,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:54:29,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:54:29,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:54:29,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:54:29,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:29,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:54:29,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:54:29,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:54:29,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:54:29,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:54:29,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:54:29,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:54:29,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:54:29,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:54:29,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-19 13:54:30,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:54:30,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:54:30,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:54:30,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:54:30,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:54:30,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-19 13:54:31,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:54:31,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:54:31,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-19 13:54:31,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5202bff/ed33abc5aebd42b097d22b26f39a1edb/FLAG3be6492af [2024-11-19 13:54:31,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5202bff/ed33abc5aebd42b097d22b26f39a1edb [2024-11-19 13:54:31,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:54:31,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:54:31,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:31,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:54:31,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:54:31,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68befbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31, skipping insertion in model container [2024-11-19 13:54:31,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:32,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:54:32,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:32,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:54:32,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:32,662 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:54:32,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32 WrapperNode [2024-11-19 13:54:32,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:32,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:32,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:54:32,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:54:32,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,726 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-11-19 13:54:32,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:32,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:54:32,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:54:32,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:54:32,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,758 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-19 13:54:32,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:54:32,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:54:32,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:54:32,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:54:32,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:54:32,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:54:32,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:54:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-19 13:54:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-19 13:54:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:54:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:54:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:54:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:54:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:54:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:54:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:54:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:54:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:54:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:54:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:54:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:54:32,969 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:54:33,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:54:33,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:54:33,535 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:54:33,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:54:33,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:54:33,710 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:54:33,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:33 BoogieIcfgContainer [2024-11-19 13:54:33,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:54:33,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:54:33,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:54:33,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:54:33,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:54:31" (1/3) ... [2024-11-19 13:54:33,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472deabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:33, skipping insertion in model container [2024-11-19 13:54:33,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (2/3) ... [2024-11-19 13:54:33,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472deabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:33, skipping insertion in model container [2024-11-19 13:54:33,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:33" (3/3) ... [2024-11-19 13:54:33,721 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-19 13:54:33,738 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:54:33,739 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:54:33,739 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:54:33,797 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:54:33,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-19 13:54:33,852 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-19 13:54:33,853 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 13:54:33,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-19 13:54:33,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-19 13:54:33,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-19 13:54:33,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:54:33,876 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;@5e4e7e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:54:33,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:54:33,882 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:54:33,882 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-19 13:54:33,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:54:33,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:33,884 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:33,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:33,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash -183419474, now seen corresponding path program 1 times [2024-11-19 13:54:33,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:33,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753948089] [2024-11-19 13:54:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:33,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:34,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:34,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753948089] [2024-11-19 13:54:34,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753948089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:34,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:34,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:34,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790105517] [2024-11-19 13:54:34,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:34,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:34,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:34,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:34,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:34,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:34,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:34,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:34,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:34,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:35,450 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-11-19 13:54:35,451 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-19 13:54:35,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6470 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2024-11-19 13:54:35,468 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-19 13:54:35,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-19 13:54:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-19 13:54:35,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-19 13:54:35,487 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-19 13:54:35,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-19 13:54:35,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:35,497 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-19 13:54:35,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-19 13:54:35,503 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-19 13:54:35,503 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-19 13:54:35,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:35,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:35,504 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:35,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:54:35,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:35,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:35,506 INFO L85 PathProgramCache]: Analyzing trace with hash -186141248, now seen corresponding path program 1 times [2024-11-19 13:54:35,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:35,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909968457] [2024-11-19 13:54:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:36,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:36,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909968457] [2024-11-19 13:54:36,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909968457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:36,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:36,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:36,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802825974] [2024-11-19 13:54:36,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:36,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:36,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:36,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:36,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:36,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:36,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:36,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:36,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:36,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:36,457 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-19 13:54:36,457 INFO L125 PetriNetUnfolderBase]: For 794/794 co-relation queries the response was YES. [2024-11-19 13:54:36,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8213 event pairs, 631 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 2189. Up to 1126 conditions per place. [2024-11-19 13:54:36,471 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-11-19 13:54:36,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-11-19 13:54:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-11-19 13:54:36,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-19 13:54:36,476 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-11-19 13:54:36,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-11-19 13:54:36,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:36,485 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-11-19 13:54:36,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-19 13:54:36,486 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-11-19 13:54:36,486 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-11-19 13:54:36,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:36,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:36,486 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:36,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:54:36,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:36,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:36,490 INFO L85 PathProgramCache]: Analyzing trace with hash -3978691, now seen corresponding path program 1 times [2024-11-19 13:54:36,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:36,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611356571] [2024-11-19 13:54:36,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:36,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:37,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:37,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611356571] [2024-11-19 13:54:37,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611356571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:37,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:37,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:37,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521250873] [2024-11-19 13:54:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:37,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:37,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:37,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:37,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:37,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:37,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:37,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:37,973 INFO L124 PetriNetUnfolderBase]: 1410/2455 cut-off events. [2024-11-19 13:54:37,974 INFO L125 PetriNetUnfolderBase]: For 2390/2394 co-relation queries the response was YES. [2024-11-19 13:54:37,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7340 conditions, 2455 events. 1410/2455 cut-off events. For 2390/2394 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14577 event pairs, 653 based on Foata normal form. 54/2347 useless extension candidates. Maximal degree in co-relation 4394. Up to 1397 conditions per place. [2024-11-19 13:54:37,994 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 121 selfloop transitions, 66 changer transitions 4/192 dead transitions. [2024-11-19 13:54:37,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 192 transitions, 1364 flow [2024-11-19 13:54:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:54:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:54:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2024-11-19 13:54:38,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3494809688581315 [2024-11-19 13:54:38,001 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 17 states and 202 transitions. [2024-11-19 13:54:38,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 192 transitions, 1364 flow [2024-11-19 13:54:38,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 192 transitions, 1364 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 13:54:38,021 INFO L231 Difference]: Finished difference. Result has 86 places, 123 transitions, 983 flow [2024-11-19 13:54:38,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=983, PETRI_PLACES=86, PETRI_TRANSITIONS=123} [2024-11-19 13:54:38,023 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-11-19 13:54:38,023 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 123 transitions, 983 flow [2024-11-19 13:54:38,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:38,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:38,024 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:38,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:54:38,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:38,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:38,026 INFO L85 PathProgramCache]: Analyzing trace with hash -859285121, now seen corresponding path program 1 times [2024-11-19 13:54:38,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:38,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515231609] [2024-11-19 13:54:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:38,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:38,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515231609] [2024-11-19 13:54:38,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515231609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:38,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:38,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:38,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347699826] [2024-11-19 13:54:38,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:38,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:38,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:38,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:38,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:38,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:38,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 123 transitions, 983 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:38,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:38,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:38,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:39,339 INFO L124 PetriNetUnfolderBase]: 1416/2509 cut-off events. [2024-11-19 13:54:39,340 INFO L125 PetriNetUnfolderBase]: For 6890/6904 co-relation queries the response was YES. [2024-11-19 13:54:39,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9596 conditions, 2509 events. 1416/2509 cut-off events. For 6890/6904 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 15284 event pairs, 592 based on Foata normal form. 68/2401 useless extension candidates. Maximal degree in co-relation 8877. Up to 1610 conditions per place. [2024-11-19 13:54:39,366 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 112 selfloop transitions, 90 changer transitions 19/222 dead transitions. [2024-11-19 13:54:39,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 222 transitions, 2146 flow [2024-11-19 13:54:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 167 transitions. [2024-11-19 13:54:39,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35084033613445376 [2024-11-19 13:54:39,368 INFO L175 Difference]: Start difference. First operand has 86 places, 123 transitions, 983 flow. Second operand 14 states and 167 transitions. [2024-11-19 13:54:39,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 222 transitions, 2146 flow [2024-11-19 13:54:39,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 222 transitions, 2040 flow, removed 45 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:39,407 INFO L231 Difference]: Finished difference. Result has 104 places, 159 transitions, 1605 flow [2024-11-19 13:54:39,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1605, PETRI_PLACES=104, PETRI_TRANSITIONS=159} [2024-11-19 13:54:39,408 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2024-11-19 13:54:39,408 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 159 transitions, 1605 flow [2024-11-19 13:54:39,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:39,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:39,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:39,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:54:39,409 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:39,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:39,410 INFO L85 PathProgramCache]: Analyzing trace with hash -415995041, now seen corresponding path program 2 times [2024-11-19 13:54:39,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:39,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927011287] [2024-11-19 13:54:39,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:39,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:39,436 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:39,436 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927011287] [2024-11-19 13:54:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927011287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:39,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:39,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078857099] [2024-11-19 13:54:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:39,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:39,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:39,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:39,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 159 transitions, 1605 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:39,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:39,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:39,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:40,779 INFO L124 PetriNetUnfolderBase]: 1564/2782 cut-off events. [2024-11-19 13:54:40,779 INFO L125 PetriNetUnfolderBase]: For 9431/9449 co-relation queries the response was YES. [2024-11-19 13:54:40,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11526 conditions, 2782 events. 1564/2782 cut-off events. For 9431/9449 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 17451 event pairs, 616 based on Foata normal form. 72/2664 useless extension candidates. Maximal degree in co-relation 10753. Up to 1607 conditions per place. [2024-11-19 13:54:40,808 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 106 selfloop transitions, 124 changer transitions 19/250 dead transitions. [2024-11-19 13:54:40,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 250 transitions, 2816 flow [2024-11-19 13:54:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 201 transitions. [2024-11-19 13:54:40,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3284313725490196 [2024-11-19 13:54:40,811 INFO L175 Difference]: Start difference. First operand has 104 places, 159 transitions, 1605 flow. Second operand 18 states and 201 transitions. [2024-11-19 13:54:40,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 250 transitions, 2816 flow [2024-11-19 13:54:40,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 250 transitions, 2751 flow, removed 25 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:40,881 INFO L231 Difference]: Finished difference. Result has 123 places, 185 transitions, 2198 flow [2024-11-19 13:54:40,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2198, PETRI_PLACES=123, PETRI_TRANSITIONS=185} [2024-11-19 13:54:40,884 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 88 predicate places. [2024-11-19 13:54:40,885 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 185 transitions, 2198 flow [2024-11-19 13:54:40,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:40,886 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:40,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:54:40,886 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:40,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:40,887 INFO L85 PathProgramCache]: Analyzing trace with hash -410632661, now seen corresponding path program 3 times [2024-11-19 13:54:40,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:40,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273980730] [2024-11-19 13:54:40,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:40,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:40,909 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:40,910 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:41,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:41,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273980730] [2024-11-19 13:54:41,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273980730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:41,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:41,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:41,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085027420] [2024-11-19 13:54:41,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:41,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:41,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:41,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:41,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:41,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:41,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 185 transitions, 2198 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:41,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:41,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:42,187 INFO L124 PetriNetUnfolderBase]: 1729/3110 cut-off events. [2024-11-19 13:54:42,188 INFO L125 PetriNetUnfolderBase]: For 11792/11796 co-relation queries the response was YES. [2024-11-19 13:54:42,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13248 conditions, 3110 events. 1729/3110 cut-off events. For 11792/11796 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 20222 event pairs, 849 based on Foata normal form. 56/2960 useless extension candidates. Maximal degree in co-relation 12848. Up to 1870 conditions per place. [2024-11-19 13:54:42,226 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 109 changer transitions 13/228 dead transitions. [2024-11-19 13:54:42,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 228 transitions, 2954 flow [2024-11-19 13:54:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-11-19 13:54:42,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-19 13:54:42,228 INFO L175 Difference]: Start difference. First operand has 123 places, 185 transitions, 2198 flow. Second operand 12 states and 150 transitions. [2024-11-19 13:54:42,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 228 transitions, 2954 flow [2024-11-19 13:54:42,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 228 transitions, 2847 flow, removed 34 selfloop flow, removed 7 redundant places. [2024-11-19 13:54:42,314 INFO L231 Difference]: Finished difference. Result has 130 places, 188 transitions, 2427 flow [2024-11-19 13:54:42,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2427, PETRI_PLACES=130, PETRI_TRANSITIONS=188} [2024-11-19 13:54:42,318 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-19 13:54:42,319 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 188 transitions, 2427 flow [2024-11-19 13:54:42,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:42,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:42,320 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:42,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:54:42,320 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:42,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1299970082, now seen corresponding path program 1 times [2024-11-19 13:54:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:42,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132573140] [2024-11-19 13:54:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:42,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132573140] [2024-11-19 13:54:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132573140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:42,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611118727] [2024-11-19 13:54:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:42,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:42,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:42,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 188 transitions, 2427 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:42,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:42,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:42,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:43,777 INFO L124 PetriNetUnfolderBase]: 1967/3514 cut-off events. [2024-11-19 13:54:43,777 INFO L125 PetriNetUnfolderBase]: For 15345/15355 co-relation queries the response was YES. [2024-11-19 13:54:43,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15298 conditions, 3514 events. 1967/3514 cut-off events. For 15345/15355 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23216 event pairs, 947 based on Foata normal form. 82/3368 useless extension candidates. Maximal degree in co-relation 14986. Up to 2269 conditions per place. [2024-11-19 13:54:43,813 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 173 selfloop transitions, 87 changer transitions 12/273 dead transitions. [2024-11-19 13:54:43,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 273 transitions, 3597 flow [2024-11-19 13:54:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-19 13:54:43,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34901960784313724 [2024-11-19 13:54:43,815 INFO L175 Difference]: Start difference. First operand has 130 places, 188 transitions, 2427 flow. Second operand 15 states and 178 transitions. [2024-11-19 13:54:43,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 273 transitions, 3597 flow [2024-11-19 13:54:43,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 273 transitions, 3410 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:43,894 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2752 flow [2024-11-19 13:54:43,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2266, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2752, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2024-11-19 13:54:43,897 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-19 13:54:43,898 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2752 flow [2024-11-19 13:54:43,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:43,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:43,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:43,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:54:43,899 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:43,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623297, now seen corresponding path program 2 times [2024-11-19 13:54:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999346159] [2024-11-19 13:54:43,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:43,927 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:43,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:44,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:44,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999346159] [2024-11-19 13:54:44,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999346159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:44,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:44,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:44,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195535890] [2024-11-19 13:54:44,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:44,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:44,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:44,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:44,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:44,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:44,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2752 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:44,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:44,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:45,346 INFO L124 PetriNetUnfolderBase]: 2198/3934 cut-off events. [2024-11-19 13:54:45,347 INFO L125 PetriNetUnfolderBase]: For 21412/21414 co-relation queries the response was YES. [2024-11-19 13:54:45,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18649 conditions, 3934 events. 2198/3934 cut-off events. For 21412/21414 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 26611 event pairs, 978 based on Foata normal form. 56/3738 useless extension candidates. Maximal degree in co-relation 17908. Up to 2459 conditions per place. [2024-11-19 13:54:45,386 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 140 changer transitions 8/293 dead transitions. [2024-11-19 13:54:45,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 293 transitions, 4120 flow [2024-11-19 13:54:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 199 transitions. [2024-11-19 13:54:45,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32516339869281047 [2024-11-19 13:54:45,392 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2752 flow. Second operand 18 states and 199 transitions. [2024-11-19 13:54:45,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 293 transitions, 4120 flow [2024-11-19 13:54:45,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 293 transitions, 4030 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-11-19 13:54:45,504 INFO L231 Difference]: Finished difference. Result has 155 places, 232 transitions, 3404 flow [2024-11-19 13:54:45,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2670, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3404, PETRI_PLACES=155, PETRI_TRANSITIONS=232} [2024-11-19 13:54:45,507 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-11-19 13:54:45,510 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 232 transitions, 3404 flow [2024-11-19 13:54:45,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:45,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:45,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:54:45,511 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:45,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623522, now seen corresponding path program 2 times [2024-11-19 13:54:45,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:45,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589732979] [2024-11-19 13:54:45,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:45,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:45,529 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:45,530 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:45,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:45,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589732979] [2024-11-19 13:54:45,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589732979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:45,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:45,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078075872] [2024-11-19 13:54:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:45,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:45,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:45,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:45,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 232 transitions, 3404 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:45,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:45,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:47,081 INFO L124 PetriNetUnfolderBase]: 2509/4501 cut-off events. [2024-11-19 13:54:47,081 INFO L125 PetriNetUnfolderBase]: For 34764/34766 co-relation queries the response was YES. [2024-11-19 13:54:47,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24088 conditions, 4501 events. 2509/4501 cut-off events. For 34764/34766 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 31285 event pairs, 1240 based on Foata normal form. 96/4327 useless extension candidates. Maximal degree in co-relation 22950. Up to 2931 conditions per place. [2024-11-19 13:54:47,119 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 225 selfloop transitions, 95 changer transitions 15/336 dead transitions. [2024-11-19 13:54:47,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 336 transitions, 5256 flow [2024-11-19 13:54:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 174 transitions. [2024-11-19 13:54:47,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2024-11-19 13:54:47,123 INFO L175 Difference]: Start difference. First operand has 155 places, 232 transitions, 3404 flow. Second operand 15 states and 174 transitions. [2024-11-19 13:54:47,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 336 transitions, 5256 flow [2024-11-19 13:54:47,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 336 transitions, 5094 flow, removed 41 selfloop flow, removed 7 redundant places. [2024-11-19 13:54:47,327 INFO L231 Difference]: Finished difference. Result has 167 places, 265 transitions, 4151 flow [2024-11-19 13:54:47,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3293, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4151, PETRI_PLACES=167, PETRI_TRANSITIONS=265} [2024-11-19 13:54:47,328 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 132 predicate places. [2024-11-19 13:54:47,329 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 265 transitions, 4151 flow [2024-11-19 13:54:47,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:47,330 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:47,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:54:47,330 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:47,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:47,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1299969857, now seen corresponding path program 3 times [2024-11-19 13:54:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:47,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864532419] [2024-11-19 13:54:47,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:47,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:47,350 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:47,351 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:47,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:47,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864532419] [2024-11-19 13:54:47,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864532419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:47,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:47,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:47,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332707611] [2024-11-19 13:54:47,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:47,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:47,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:47,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:47,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:47,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:47,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 265 transitions, 4151 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:47,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:47,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:48,851 INFO L124 PetriNetUnfolderBase]: 2455/4453 cut-off events. [2024-11-19 13:54:48,852 INFO L125 PetriNetUnfolderBase]: For 41550/41554 co-relation queries the response was YES. [2024-11-19 13:54:48,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25392 conditions, 4453 events. 2455/4453 cut-off events. For 41550/41554 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 31241 event pairs, 1236 based on Foata normal form. 80/4283 useless extension candidates. Maximal degree in co-relation 24135. Up to 2769 conditions per place. [2024-11-19 13:54:48,896 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 211 selfloop transitions, 145 changer transitions 11/368 dead transitions. [2024-11-19 13:54:48,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 368 transitions, 6058 flow [2024-11-19 13:54:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 13:54:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 13:54:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-11-19 13:54:48,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-11-19 13:54:48,899 INFO L175 Difference]: Start difference. First operand has 167 places, 265 transitions, 4151 flow. Second operand 20 states and 224 transitions. [2024-11-19 13:54:48,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 368 transitions, 6058 flow [2024-11-19 13:54:49,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 368 transitions, 5907 flow, removed 40 selfloop flow, removed 5 redundant places. [2024-11-19 13:54:49,146 INFO L231 Difference]: Finished difference. Result has 186 places, 294 transitions, 4962 flow [2024-11-19 13:54:49,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4020, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4962, PETRI_PLACES=186, PETRI_TRANSITIONS=294} [2024-11-19 13:54:49,150 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 151 predicate places. [2024-11-19 13:54:49,150 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 294 transitions, 4962 flow [2024-11-19 13:54:49,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:49,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:49,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:54:49,151 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:49,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:49,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332462, now seen corresponding path program 3 times [2024-11-19 13:54:49,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:49,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048141998] [2024-11-19 13:54:49,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:49,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:49,175 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:49,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:49,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:49,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048141998] [2024-11-19 13:54:49,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048141998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:49,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:49,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:49,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297875623] [2024-11-19 13:54:49,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:49,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:49,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:49,500 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:49,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 294 transitions, 4962 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:49,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:50,645 INFO L124 PetriNetUnfolderBase]: 2422/4444 cut-off events. [2024-11-19 13:54:50,645 INFO L125 PetriNetUnfolderBase]: For 51080/51082 co-relation queries the response was YES. [2024-11-19 13:54:50,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 4444 events. 2422/4444 cut-off events. For 51080/51082 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 31674 event pairs, 1270 based on Foata normal form. 72/4274 useless extension candidates. Maximal degree in co-relation 25641. Up to 2758 conditions per place. [2024-11-19 13:54:50,685 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 203 selfloop transitions, 148 changer transitions 15/367 dead transitions. [2024-11-19 13:54:50,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 367 transitions, 6354 flow [2024-11-19 13:54:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:54:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:54:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-19 13:54:50,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-19 13:54:50,688 INFO L175 Difference]: Start difference. First operand has 186 places, 294 transitions, 4962 flow. Second operand 19 states and 210 transitions. [2024-11-19 13:54:50,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 367 transitions, 6354 flow [2024-11-19 13:54:50,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 367 transitions, 6020 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-11-19 13:54:50,968 INFO L231 Difference]: Finished difference. Result has 196 places, 301 transitions, 5218 flow [2024-11-19 13:54:50,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4667, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5218, PETRI_PLACES=196, PETRI_TRANSITIONS=301} [2024-11-19 13:54:50,969 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 161 predicate places. [2024-11-19 13:54:50,970 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 301 transitions, 5218 flow [2024-11-19 13:54:50,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:50,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:50,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:50,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:54:50,971 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:50,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1499473457, now seen corresponding path program 4 times [2024-11-19 13:54:50,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:50,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848634556] [2024-11-19 13:54:50,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:50,995 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:50,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:51,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:51,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848634556] [2024-11-19 13:54:51,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848634556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:51,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:51,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:51,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122772482] [2024-11-19 13:54:51,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:51,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:51,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:51,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:51,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:51,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:51,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 301 transitions, 5218 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:51,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:51,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:51,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:52,646 INFO L124 PetriNetUnfolderBase]: 2350/4338 cut-off events. [2024-11-19 13:54:52,646 INFO L125 PetriNetUnfolderBase]: For 49537/49537 co-relation queries the response was YES. [2024-11-19 13:54:52,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26293 conditions, 4338 events. 2350/4338 cut-off events. For 49537/49537 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 30806 event pairs, 1203 based on Foata normal form. 52/4154 useless extension candidates. Maximal degree in co-relation 25363. Up to 2587 conditions per place. [2024-11-19 13:54:52,704 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 168 selfloop transitions, 194 changer transitions 10/373 dead transitions. [2024-11-19 13:54:52,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 373 transitions, 6644 flow [2024-11-19 13:54:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:54:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 13:54:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2024-11-19 13:54:52,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3088235294117647 [2024-11-19 13:54:52,707 INFO L175 Difference]: Start difference. First operand has 196 places, 301 transitions, 5218 flow. Second operand 22 states and 231 transitions. [2024-11-19 13:54:52,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 373 transitions, 6644 flow [2024-11-19 13:54:52,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 373 transitions, 6328 flow, removed 52 selfloop flow, removed 13 redundant places. [2024-11-19 13:54:52,975 INFO L231 Difference]: Finished difference. Result has 207 places, 307 transitions, 5500 flow [2024-11-19 13:54:52,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4936, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5500, PETRI_PLACES=207, PETRI_TRANSITIONS=307} [2024-11-19 13:54:52,976 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2024-11-19 13:54:52,976 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 307 transitions, 5500 flow [2024-11-19 13:54:52,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:52,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:52,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:52,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:54:52,977 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:52,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:52,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928707, now seen corresponding path program 1 times [2024-11-19 13:54:52,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:52,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705869332] [2024-11-19 13:54:52,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:53,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:53,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705869332] [2024-11-19 13:54:53,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705869332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:53,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:53,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965347229] [2024-11-19 13:54:53,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:53,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:53,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:53,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:53,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:53,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 307 transitions, 5500 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:53,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:53,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:53,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,619 INFO L124 PetriNetUnfolderBase]: 2300/4297 cut-off events. [2024-11-19 13:54:54,619 INFO L125 PetriNetUnfolderBase]: For 52440/52440 co-relation queries the response was YES. [2024-11-19 13:54:54,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26503 conditions, 4297 events. 2300/4297 cut-off events. For 52440/52440 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 30659 event pairs, 800 based on Foata normal form. 0/4091 useless extension candidates. Maximal degree in co-relation 25905. Up to 2038 conditions per place. [2024-11-19 13:54:54,650 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 243 selfloop transitions, 178 changer transitions 20/442 dead transitions. [2024-11-19 13:54:54,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 442 transitions, 7721 flow [2024-11-19 13:54:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:54:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 13:54:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 234 transitions. [2024-11-19 13:54:54,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31283422459893045 [2024-11-19 13:54:54,652 INFO L175 Difference]: Start difference. First operand has 207 places, 307 transitions, 5500 flow. Second operand 22 states and 234 transitions. [2024-11-19 13:54:54,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 442 transitions, 7721 flow [2024-11-19 13:54:54,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 442 transitions, 7380 flow, removed 29 selfloop flow, removed 14 redundant places. [2024-11-19 13:54:54,867 INFO L231 Difference]: Finished difference. Result has 220 places, 354 transitions, 6317 flow [2024-11-19 13:54:54,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5181, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6317, PETRI_PLACES=220, PETRI_TRANSITIONS=354} [2024-11-19 13:54:54,868 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 185 predicate places. [2024-11-19 13:54:54,868 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 354 transitions, 6317 flow [2024-11-19 13:54:54,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:54,868 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:54,868 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:54,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:54:54,868 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:54,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928708, now seen corresponding path program 1 times [2024-11-19 13:54:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206011469] [2024-11-19 13:54:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:55,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:55,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206011469] [2024-11-19 13:54:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206011469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:55,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:55,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:55,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989728136] [2024-11-19 13:54:55,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:55,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:55,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:55,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:55,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:55,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:55,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 354 transitions, 6317 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:55,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:55,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:55,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:56,178 INFO L124 PetriNetUnfolderBase]: 1826/3479 cut-off events. [2024-11-19 13:54:56,178 INFO L125 PetriNetUnfolderBase]: For 61327/61329 co-relation queries the response was YES. [2024-11-19 13:54:56,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23887 conditions, 3479 events. 1826/3479 cut-off events. For 61327/61329 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 24723 event pairs, 847 based on Foata normal form. 14/3367 useless extension candidates. Maximal degree in co-relation 23285. Up to 2924 conditions per place. [2024-11-19 13:54:56,206 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 312 selfloop transitions, 77 changer transitions 16/406 dead transitions. [2024-11-19 13:54:56,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 406 transitions, 7437 flow [2024-11-19 13:54:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-19 13:54:56,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-19 13:54:56,208 INFO L175 Difference]: Start difference. First operand has 220 places, 354 transitions, 6317 flow. Second operand 15 states and 160 transitions. [2024-11-19 13:54:56,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 406 transitions, 7437 flow [2024-11-19 13:54:56,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 406 transitions, 7263 flow, removed 44 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:56,453 INFO L231 Difference]: Finished difference. Result has 233 places, 361 transitions, 6415 flow [2024-11-19 13:54:56,453 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6165, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6415, PETRI_PLACES=233, PETRI_TRANSITIONS=361} [2024-11-19 13:54:56,454 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 198 predicate places. [2024-11-19 13:54:56,454 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 361 transitions, 6415 flow [2024-11-19 13:54:56,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:56,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:56,454 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:56,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:54:56,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:56,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:56,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1283461148, now seen corresponding path program 2 times [2024-11-19 13:54:56,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:56,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797118398] [2024-11-19 13:54:56,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:56,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:56,474 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:56,474 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:56,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:56,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797118398] [2024-11-19 13:54:56,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797118398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:56,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:56,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:56,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073051200] [2024-11-19 13:54:56,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:56,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:56,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:56,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:56,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:56,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 361 transitions, 6415 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:56,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:56,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:56,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:58,030 INFO L124 PetriNetUnfolderBase]: 2082/3988 cut-off events. [2024-11-19 13:54:58,031 INFO L125 PetriNetUnfolderBase]: For 77206/77208 co-relation queries the response was YES. [2024-11-19 13:54:58,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26891 conditions, 3988 events. 2082/3988 cut-off events. For 77206/77208 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 29265 event pairs, 887 based on Foata normal form. 28/3890 useless extension candidates. Maximal degree in co-relation 26285. Up to 2918 conditions per place. [2024-11-19 13:54:58,075 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 370 selfloop transitions, 95 changer transitions 8/474 dead transitions. [2024-11-19 13:54:58,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 474 transitions, 8576 flow [2024-11-19 13:54:58,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:54:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:54:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 217 transitions. [2024-11-19 13:54:58,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33591331269349844 [2024-11-19 13:54:58,077 INFO L175 Difference]: Start difference. First operand has 233 places, 361 transitions, 6415 flow. Second operand 19 states and 217 transitions. [2024-11-19 13:54:58,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 474 transitions, 8576 flow [2024-11-19 13:54:58,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 474 transitions, 8384 flow, removed 54 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:58,411 INFO L231 Difference]: Finished difference. Result has 250 places, 391 transitions, 7116 flow [2024-11-19 13:54:58,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6284, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7116, PETRI_PLACES=250, PETRI_TRANSITIONS=391} [2024-11-19 13:54:58,412 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 215 predicate places. [2024-11-19 13:54:58,412 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 391 transitions, 7116 flow [2024-11-19 13:54:58,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:58,412 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:58,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:54:58,413 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:58,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:58,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1281673688, now seen corresponding path program 3 times [2024-11-19 13:54:58,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:58,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821171632] [2024-11-19 13:54:58,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:58,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:58,438 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:58,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:58,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821171632] [2024-11-19 13:54:58,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821171632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:58,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:58,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:58,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116259700] [2024-11-19 13:54:58,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:58,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:58,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:58,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:58,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:58,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:58,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 391 transitions, 7116 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:58,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:58,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:59,914 INFO L124 PetriNetUnfolderBase]: 2046/3930 cut-off events. [2024-11-19 13:54:59,914 INFO L125 PetriNetUnfolderBase]: For 78405/78407 co-relation queries the response was YES. [2024-11-19 13:54:59,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27059 conditions, 3930 events. 2046/3930 cut-off events. For 78405/78407 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 28839 event pairs, 871 based on Foata normal form. 28/3832 useless extension candidates. Maximal degree in co-relation 26605. Up to 2918 conditions per place. [2024-11-19 13:54:59,955 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 366 selfloop transitions, 97 changer transitions 6/470 dead transitions. [2024-11-19 13:54:59,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 470 transitions, 8698 flow [2024-11-19 13:54:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:54:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:54:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-19 13:54:59,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-19 13:54:59,957 INFO L175 Difference]: Start difference. First operand has 250 places, 391 transitions, 7116 flow. Second operand 19 states and 210 transitions. [2024-11-19 13:54:59,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 470 transitions, 8698 flow [2024-11-19 13:55:00,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 470 transitions, 8461 flow, removed 99 selfloop flow, removed 4 redundant places. [2024-11-19 13:55:00,343 INFO L231 Difference]: Finished difference. Result has 271 places, 398 transitions, 7319 flow [2024-11-19 13:55:00,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6927, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7319, PETRI_PLACES=271, PETRI_TRANSITIONS=398} [2024-11-19 13:55:00,343 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2024-11-19 13:55:00,343 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 398 transitions, 7319 flow [2024-11-19 13:55:00,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:00,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:00,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:55:00,344 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:00,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:00,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1714398118, now seen corresponding path program 1 times [2024-11-19 13:55:00,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:00,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139916419] [2024-11-19 13:55:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:00,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:00,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:00,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:00,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139916419] [2024-11-19 13:55:00,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139916419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:00,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:00,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:55:00,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815850353] [2024-11-19 13:55:00,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:00,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:55:00,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:00,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:55:00,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:55:00,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-19 13:55:00,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 398 transitions, 7319 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:00,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-19 13:55:00,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:01,117 INFO L124 PetriNetUnfolderBase]: 1153/2232 cut-off events. [2024-11-19 13:55:01,117 INFO L125 PetriNetUnfolderBase]: For 42683/42683 co-relation queries the response was YES. [2024-11-19 13:55:01,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15062 conditions, 2232 events. 1153/2232 cut-off events. For 42683/42683 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 15233 event pairs, 228 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 14848. Up to 1416 conditions per place. [2024-11-19 13:55:01,142 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 365 selfloop transitions, 46 changer transitions 19/430 dead transitions. [2024-11-19 13:55:01,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 430 transitions, 9020 flow [2024-11-19 13:55:01,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:55:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:55:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-19 13:55:01,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-19 13:55:01,144 INFO L175 Difference]: Start difference. First operand has 271 places, 398 transitions, 7319 flow. Second operand 4 states and 66 transitions. [2024-11-19 13:55:01,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 430 transitions, 9020 flow [2024-11-19 13:55:01,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 430 transitions, 8629 flow, removed 54 selfloop flow, removed 15 redundant places. [2024-11-19 13:55:01,322 INFO L231 Difference]: Finished difference. Result has 254 places, 285 transitions, 5175 flow [2024-11-19 13:55:01,323 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5312, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=5175, PETRI_PLACES=254, PETRI_TRANSITIONS=285} [2024-11-19 13:55:01,323 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 219 predicate places. [2024-11-19 13:55:01,323 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 285 transitions, 5175 flow [2024-11-19 13:55:01,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:01,323 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:01,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 13:55:01,324 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:01,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:01,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1144929476, now seen corresponding path program 4 times [2024-11-19 13:55:01,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:01,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453288033] [2024-11-19 13:55:01,324 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:01,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:01,347 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:01,347 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:01,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:01,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453288033] [2024-11-19 13:55:01,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453288033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:01,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:01,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:01,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381490617] [2024-11-19 13:55:01,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:01,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:01,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:01,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:01,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:01,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:01,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 285 transitions, 5175 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:01,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:01,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:02,559 INFO L124 PetriNetUnfolderBase]: 1131/2190 cut-off events. [2024-11-19 13:55:02,559 INFO L125 PetriNetUnfolderBase]: For 32492/32492 co-relation queries the response was YES. [2024-11-19 13:55:02,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14707 conditions, 2190 events. 1131/2190 cut-off events. For 32492/32492 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14245 event pairs, 444 based on Foata normal form. 26/2152 useless extension candidates. Maximal degree in co-relation 14611. Up to 1547 conditions per place. [2024-11-19 13:55:02,624 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 216 selfloop transitions, 106 changer transitions 16/338 dead transitions. [2024-11-19 13:55:02,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 338 transitions, 6471 flow [2024-11-19 13:55:02,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:55:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:55:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 152 transitions. [2024-11-19 13:55:02,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-19 13:55:02,626 INFO L175 Difference]: Start difference. First operand has 254 places, 285 transitions, 5175 flow. Second operand 14 states and 152 transitions. [2024-11-19 13:55:02,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 338 transitions, 6471 flow [2024-11-19 13:55:02,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 338 transitions, 6319 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-11-19 13:55:02,771 INFO L231 Difference]: Finished difference. Result has 252 places, 291 transitions, 5473 flow [2024-11-19 13:55:02,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5056, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5473, PETRI_PLACES=252, PETRI_TRANSITIONS=291} [2024-11-19 13:55:02,772 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 217 predicate places. [2024-11-19 13:55:02,772 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 291 transitions, 5473 flow [2024-11-19 13:55:02,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:02,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:02,773 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:02,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:55:02,773 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:02,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:02,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1283457626, now seen corresponding path program 5 times [2024-11-19 13:55:02,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:02,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345441935] [2024-11-19 13:55:02,773 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:55:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:02,792 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:02,792 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:03,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:03,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345441935] [2024-11-19 13:55:03,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345441935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:03,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:03,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:03,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603145542] [2024-11-19 13:55:03,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:03,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:03,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:03,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:03,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:03,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:03,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 291 transitions, 5473 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:03,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:03,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:03,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:04,130 INFO L124 PetriNetUnfolderBase]: 1217/2386 cut-off events. [2024-11-19 13:55:04,130 INFO L125 PetriNetUnfolderBase]: For 35988/35988 co-relation queries the response was YES. [2024-11-19 13:55:04,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15743 conditions, 2386 events. 1217/2386 cut-off events. For 35988/35988 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16039 event pairs, 500 based on Foata normal form. 16/2338 useless extension candidates. Maximal degree in co-relation 15454. Up to 1703 conditions per place. [2024-11-19 13:55:04,149 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 262 selfloop transitions, 94 changer transitions 15/371 dead transitions. [2024-11-19 13:55:04,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 371 transitions, 6924 flow [2024-11-19 13:55:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:55:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:55:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 191 transitions. [2024-11-19 13:55:04,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31209150326797386 [2024-11-19 13:55:04,151 INFO L175 Difference]: Start difference. First operand has 252 places, 291 transitions, 5473 flow. Second operand 18 states and 191 transitions. [2024-11-19 13:55:04,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 371 transitions, 6924 flow [2024-11-19 13:55:04,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 371 transitions, 6818 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-19 13:55:04,330 INFO L231 Difference]: Finished difference. Result has 269 places, 299 transitions, 5803 flow [2024-11-19 13:55:04,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5387, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5803, PETRI_PLACES=269, PETRI_TRANSITIONS=299} [2024-11-19 13:55:04,331 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 234 predicate places. [2024-11-19 13:55:04,331 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 299 transitions, 5803 flow [2024-11-19 13:55:04,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:04,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:04,331 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:04,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 13:55:04,332 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:04,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:04,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265565, now seen corresponding path program 1 times [2024-11-19 13:55:04,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:04,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308449255] [2024-11-19 13:55:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308449255] [2024-11-19 13:55:04,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308449255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:04,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:04,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:04,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289058888] [2024-11-19 13:55:04,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:04,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:04,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:04,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:04,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:04,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 299 transitions, 5803 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:04,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:04,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:04,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:05,810 INFO L124 PetriNetUnfolderBase]: 1219/2414 cut-off events. [2024-11-19 13:55:05,810 INFO L125 PetriNetUnfolderBase]: For 39779/39779 co-relation queries the response was YES. [2024-11-19 13:55:05,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16551 conditions, 2414 events. 1219/2414 cut-off events. For 39779/39779 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 16326 event pairs, 433 based on Foata normal form. 0/2382 useless extension candidates. Maximal degree in co-relation 16272. Up to 882 conditions per place. [2024-11-19 13:55:05,832 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 231 selfloop transitions, 142 changer transitions 17/390 dead transitions. [2024-11-19 13:55:05,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 390 transitions, 7625 flow [2024-11-19 13:55:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 13:55:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-19 13:55:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 224 transitions. [2024-11-19 13:55:05,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2864450127877238 [2024-11-19 13:55:05,834 INFO L175 Difference]: Start difference. First operand has 269 places, 299 transitions, 5803 flow. Second operand 23 states and 224 transitions. [2024-11-19 13:55:05,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 390 transitions, 7625 flow [2024-11-19 13:55:06,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 390 transitions, 7463 flow, removed 36 selfloop flow, removed 8 redundant places. [2024-11-19 13:55:06,035 INFO L231 Difference]: Finished difference. Result has 288 places, 311 transitions, 6239 flow [2024-11-19 13:55:06,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5643, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6239, PETRI_PLACES=288, PETRI_TRANSITIONS=311} [2024-11-19 13:55:06,035 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 253 predicate places. [2024-11-19 13:55:06,035 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 311 transitions, 6239 flow [2024-11-19 13:55:06,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:06,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:06,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:06,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 13:55:06,036 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:06,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:06,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245086, now seen corresponding path program 6 times [2024-11-19 13:55:06,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:06,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678463810] [2024-11-19 13:55:06,037 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 13:55:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:06,063 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 13:55:06,063 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:06,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:06,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678463810] [2024-11-19 13:55:06,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678463810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:06,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:06,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:06,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848057593] [2024-11-19 13:55:06,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:06,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:06,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:06,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:06,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:06,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 311 transitions, 6239 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:06,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:06,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:06,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:07,244 INFO L124 PetriNetUnfolderBase]: 1175/2326 cut-off events. [2024-11-19 13:55:07,244 INFO L125 PetriNetUnfolderBase]: For 41852/41852 co-relation queries the response was YES. [2024-11-19 13:55:07,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16378 conditions, 2326 events. 1175/2326 cut-off events. For 41852/41852 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15650 event pairs, 484 based on Foata normal form. 16/2342 useless extension candidates. Maximal degree in co-relation 16065. Up to 1732 conditions per place. [2024-11-19 13:55:07,266 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 254 selfloop transitions, 92 changer transitions 12/358 dead transitions. [2024-11-19 13:55:07,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 358 transitions, 7191 flow [2024-11-19 13:55:07,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:55:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:55:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-19 13:55:07,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-19 13:55:07,267 INFO L175 Difference]: Start difference. First operand has 288 places, 311 transitions, 6239 flow. Second operand 15 states and 160 transitions. [2024-11-19 13:55:07,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 358 transitions, 7191 flow [2024-11-19 13:55:07,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 358 transitions, 7000 flow, removed 17 selfloop flow, removed 12 redundant places. [2024-11-19 13:55:07,453 INFO L231 Difference]: Finished difference. Result has 291 places, 311 transitions, 6258 flow [2024-11-19 13:55:07,453 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6051, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6258, PETRI_PLACES=291, PETRI_TRANSITIONS=311} [2024-11-19 13:55:07,454 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2024-11-19 13:55:07,454 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 311 transitions, 6258 flow [2024-11-19 13:55:07,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:07,454 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:07,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 13:55:07,454 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:07,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265566, now seen corresponding path program 1 times [2024-11-19 13:55:07,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:07,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954488969] [2024-11-19 13:55:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:07,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954488969] [2024-11-19 13:55:07,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954488969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:55:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915919380] [2024-11-19 13:55:07,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:07,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:07,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:07,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:07,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:07,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:07,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 311 transitions, 6258 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:07,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:07,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:08,473 INFO L124 PetriNetUnfolderBase]: 1093/2172 cut-off events. [2024-11-19 13:55:08,473 INFO L125 PetriNetUnfolderBase]: For 42385/42385 co-relation queries the response was YES. [2024-11-19 13:55:08,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15587 conditions, 2172 events. 1093/2172 cut-off events. For 42385/42385 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 14419 event pairs, 225 based on Foata normal form. 32/2204 useless extension candidates. Maximal degree in co-relation 15276. Up to 490 conditions per place. [2024-11-19 13:55:08,493 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 212 selfloop transitions, 123 changer transitions 32/367 dead transitions. [2024-11-19 13:55:08,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 367 transitions, 7425 flow [2024-11-19 13:55:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:55:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:55:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 185 transitions. [2024-11-19 13:55:08,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32006920415224915 [2024-11-19 13:55:08,494 INFO L175 Difference]: Start difference. First operand has 291 places, 311 transitions, 6258 flow. Second operand 17 states and 185 transitions. [2024-11-19 13:55:08,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 367 transitions, 7425 flow [2024-11-19 13:55:08,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 367 transitions, 7245 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-19 13:55:08,684 INFO L231 Difference]: Finished difference. Result has 300 places, 296 transitions, 5964 flow [2024-11-19 13:55:08,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6061, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5964, PETRI_PLACES=300, PETRI_TRANSITIONS=296} [2024-11-19 13:55:08,684 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-11-19 13:55:08,685 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 296 transitions, 5964 flow [2024-11-19 13:55:08,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:08,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:08,685 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:08,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 13:55:08,685 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:08,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:08,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1139480605, now seen corresponding path program 2 times [2024-11-19 13:55:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703821162] [2024-11-19 13:55:08,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:08,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:08,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:08,708 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:09,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:09,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703821162] [2024-11-19 13:55:09,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703821162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:09,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:09,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:09,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252755262] [2024-11-19 13:55:09,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:09,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:09,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:09,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 296 transitions, 5964 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:09,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:09,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:09,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:09,853 INFO L124 PetriNetUnfolderBase]: 982/1953 cut-off events. [2024-11-19 13:55:09,853 INFO L125 PetriNetUnfolderBase]: For 38143/38143 co-relation queries the response was YES. [2024-11-19 13:55:09,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14423 conditions, 1953 events. 982/1953 cut-off events. For 38143/38143 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12587 event pairs, 396 based on Foata normal form. 16/1969 useless extension candidates. Maximal degree in co-relation 14111. Up to 1479 conditions per place. [2024-11-19 13:55:09,870 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 197 selfloop transitions, 58 changer transitions 67/322 dead transitions. [2024-11-19 13:55:09,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 322 transitions, 6656 flow [2024-11-19 13:55:09,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:55:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:55:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 143 transitions. [2024-11-19 13:55:09,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3004201680672269 [2024-11-19 13:55:09,872 INFO L175 Difference]: Start difference. First operand has 300 places, 296 transitions, 5964 flow. Second operand 14 states and 143 transitions. [2024-11-19 13:55:09,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 322 transitions, 6656 flow [2024-11-19 13:55:10,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 322 transitions, 6365 flow, removed 29 selfloop flow, removed 13 redundant places. [2024-11-19 13:55:10,026 INFO L231 Difference]: Finished difference. Result has 292 places, 241 transitions, 4628 flow [2024-11-19 13:55:10,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4628, PETRI_PLACES=292, PETRI_TRANSITIONS=241} [2024-11-19 13:55:10,026 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-11-19 13:55:10,026 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 241 transitions, 4628 flow [2024-11-19 13:55:10,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:10,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:10,027 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:10,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 13:55:10,027 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:10,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:10,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023714, now seen corresponding path program 7 times [2024-11-19 13:55:10,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:10,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316993314] [2024-11-19 13:55:10,027 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 13:55:10,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:10,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:10,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316993314] [2024-11-19 13:55:10,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316993314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:10,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:10,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:55:10,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198237148] [2024-11-19 13:55:10,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:10,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:10,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:10,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:10,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:10,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 241 transitions, 4628 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:10,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:10,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:10,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:10,995 INFO L124 PetriNetUnfolderBase]: 951/1908 cut-off events. [2024-11-19 13:55:10,995 INFO L125 PetriNetUnfolderBase]: For 30415/30415 co-relation queries the response was YES. [2024-11-19 13:55:11,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12768 conditions, 1908 events. 951/1908 cut-off events. For 30415/30415 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 12414 event pairs, 165 based on Foata normal form. 48/1956 useless extension candidates. Maximal degree in co-relation 12537. Up to 583 conditions per place. [2024-11-19 13:55:11,011 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 189 selfloop transitions, 116 changer transitions 7/312 dead transitions. [2024-11-19 13:55:11,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 312 transitions, 5901 flow [2024-11-19 13:55:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:55:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:55:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 188 transitions. [2024-11-19 13:55:11,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32525951557093424 [2024-11-19 13:55:11,012 INFO L175 Difference]: Start difference. First operand has 292 places, 241 transitions, 4628 flow. Second operand 17 states and 188 transitions. [2024-11-19 13:55:11,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 312 transitions, 5901 flow [2024-11-19 13:55:11,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 312 transitions, 5412 flow, removed 44 selfloop flow, removed 35 redundant places. [2024-11-19 13:55:11,159 INFO L231 Difference]: Finished difference. Result has 268 places, 253 transitions, 4691 flow [2024-11-19 13:55:11,160 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4183, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4691, PETRI_PLACES=268, PETRI_TRANSITIONS=253} [2024-11-19 13:55:11,160 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 233 predicate places. [2024-11-19 13:55:11,160 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 253 transitions, 4691 flow [2024-11-19 13:55:11,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:11,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:11,161 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:11,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 13:55:11,161 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:11,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023715, now seen corresponding path program 3 times [2024-11-19 13:55:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:11,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745463958] [2024-11-19 13:55:11,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:11,179 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:11,180 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:11,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:11,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745463958] [2024-11-19 13:55:11,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745463958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:11,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:11,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:11,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328818512] [2024-11-19 13:55:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:11,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:11,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:11,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:11,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:11,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 253 transitions, 4691 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:11,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:11,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:11,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:12,445 INFO L124 PetriNetUnfolderBase]: 879/1768 cut-off events. [2024-11-19 13:55:12,446 INFO L125 PetriNetUnfolderBase]: For 26828/26828 co-relation queries the response was YES. [2024-11-19 13:55:12,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11932 conditions, 1768 events. 879/1768 cut-off events. For 26828/26828 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11273 event pairs, 290 based on Foata normal form. 38/1806 useless extension candidates. Maximal degree in co-relation 11705. Up to 781 conditions per place. [2024-11-19 13:55:12,465 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 190 selfloop transitions, 79 changer transitions 50/319 dead transitions. [2024-11-19 13:55:12,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 319 transitions, 5863 flow [2024-11-19 13:55:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 13:55:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-19 13:55:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2024-11-19 13:55:12,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2024-11-19 13:55:12,467 INFO L175 Difference]: Start difference. First operand has 268 places, 253 transitions, 4691 flow. Second operand 23 states and 219 transitions. [2024-11-19 13:55:12,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 319 transitions, 5863 flow [2024-11-19 13:55:12,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 319 transitions, 5551 flow, removed 38 selfloop flow, removed 10 redundant places. [2024-11-19 13:55:12,587 INFO L231 Difference]: Finished difference. Result has 280 places, 230 transitions, 4133 flow [2024-11-19 13:55:12,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4381, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4133, PETRI_PLACES=280, PETRI_TRANSITIONS=230} [2024-11-19 13:55:12,588 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 245 predicate places. [2024-11-19 13:55:12,588 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 230 transitions, 4133 flow [2024-11-19 13:55:12,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:12,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:12,588 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:12,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 13:55:12,588 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:12,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash 468706782, now seen corresponding path program 2 times [2024-11-19 13:55:12,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:12,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039305476] [2024-11-19 13:55:12,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:12,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:12,604 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:12,604 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:13,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039305476] [2024-11-19 13:55:13,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039305476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:13,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:13,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:13,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341799571] [2024-11-19 13:55:13,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:13,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:13,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:13,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:13,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:13,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 230 transitions, 4133 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:13,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:13,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:13,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:14,064 INFO L124 PetriNetUnfolderBase]: 826/1645 cut-off events. [2024-11-19 13:55:14,065 INFO L125 PetriNetUnfolderBase]: For 21862/21862 co-relation queries the response was YES. [2024-11-19 13:55:14,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 1645 events. 826/1645 cut-off events. For 21862/21862 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10169 event pairs, 267 based on Foata normal form. 16/1661 useless extension candidates. Maximal degree in co-relation 10678. Up to 797 conditions per place. [2024-11-19 13:55:14,084 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 181 selfloop transitions, 106 changer transitions 5/292 dead transitions. [2024-11-19 13:55:14,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 292 transitions, 5255 flow [2024-11-19 13:55:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 13:55:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-19 13:55:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 240 transitions. [2024-11-19 13:55:14,086 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26143790849673204 [2024-11-19 13:55:14,086 INFO L175 Difference]: Start difference. First operand has 280 places, 230 transitions, 4133 flow. Second operand 27 states and 240 transitions. [2024-11-19 13:55:14,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 292 transitions, 5255 flow [2024-11-19 13:55:14,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 292 transitions, 4942 flow, removed 47 selfloop flow, removed 16 redundant places. [2024-11-19 13:55:14,190 INFO L231 Difference]: Finished difference. Result has 287 places, 244 transitions, 4423 flow [2024-11-19 13:55:14,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3878, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4423, PETRI_PLACES=287, PETRI_TRANSITIONS=244} [2024-11-19 13:55:14,191 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 252 predicate places. [2024-11-19 13:55:14,191 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 244 transitions, 4423 flow [2024-11-19 13:55:14,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:14,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:14,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:14,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 13:55:14,191 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:14,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:14,191 INFO L85 PathProgramCache]: Analyzing trace with hash 728782212, now seen corresponding path program 3 times [2024-11-19 13:55:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831585224] [2024-11-19 13:55:14,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:14,210 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:14,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831585224] [2024-11-19 13:55:14,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831585224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:14,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:14,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:14,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917213405] [2024-11-19 13:55:14,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:14,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:14,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:14,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:14,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:14,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:14,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 244 transitions, 4423 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:14,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:14,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:14,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:15,699 INFO L124 PetriNetUnfolderBase]: 944/1883 cut-off events. [2024-11-19 13:55:15,699 INFO L125 PetriNetUnfolderBase]: For 21270/21270 co-relation queries the response was YES. [2024-11-19 13:55:15,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11984 conditions, 1883 events. 944/1883 cut-off events. For 21270/21270 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12160 event pairs, 275 based on Foata normal form. 8/1891 useless extension candidates. Maximal degree in co-relation 11760. Up to 833 conditions per place. [2024-11-19 13:55:15,715 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 189 selfloop transitions, 115 changer transitions 5/309 dead transitions. [2024-11-19 13:55:15,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 309 transitions, 5458 flow [2024-11-19 13:55:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 13:55:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-19 13:55:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 227 transitions. [2024-11-19 13:55:15,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25678733031674206 [2024-11-19 13:55:15,716 INFO L175 Difference]: Start difference. First operand has 287 places, 244 transitions, 4423 flow. Second operand 26 states and 227 transitions. [2024-11-19 13:55:15,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 309 transitions, 5458 flow [2024-11-19 13:55:15,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 309 transitions, 5303 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-11-19 13:55:15,830 INFO L231 Difference]: Finished difference. Result has 300 places, 252 transitions, 4705 flow [2024-11-19 13:55:15,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4274, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4705, PETRI_PLACES=300, PETRI_TRANSITIONS=252} [2024-11-19 13:55:15,831 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-11-19 13:55:15,831 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 252 transitions, 4705 flow [2024-11-19 13:55:15,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:15,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:15,831 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:15,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 13:55:15,831 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:15,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:15,832 INFO L85 PathProgramCache]: Analyzing trace with hash 487783842, now seen corresponding path program 8 times [2024-11-19 13:55:15,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:15,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570744846] [2024-11-19 13:55:15,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:15,852 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:15,852 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:16,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:16,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570744846] [2024-11-19 13:55:16,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570744846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:16,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:16,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:55:16,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391952689] [2024-11-19 13:55:16,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:16,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:16,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:16,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:16,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:16,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:16,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 252 transitions, 4705 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:16,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:16,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:16,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:16,708 INFO L124 PetriNetUnfolderBase]: 988/1989 cut-off events. [2024-11-19 13:55:16,708 INFO L125 PetriNetUnfolderBase]: For 25126/25126 co-relation queries the response was YES. [2024-11-19 13:55:16,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12738 conditions, 1989 events. 988/1989 cut-off events. For 25126/25126 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13204 event pairs, 179 based on Foata normal form. 38/2027 useless extension candidates. Maximal degree in co-relation 12387. Up to 313 conditions per place. [2024-11-19 13:55:16,723 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 202 selfloop transitions, 112 changer transitions 9/323 dead transitions. [2024-11-19 13:55:16,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 5858 flow [2024-11-19 13:55:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:55:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:55:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-19 13:55:16,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-19 13:55:16,725 INFO L175 Difference]: Start difference. First operand has 300 places, 252 transitions, 4705 flow. Second operand 19 states and 210 transitions. [2024-11-19 13:55:16,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 5858 flow [2024-11-19 13:55:16,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 5726 flow, removed 30 selfloop flow, removed 12 redundant places. [2024-11-19 13:55:16,814 INFO L231 Difference]: Finished difference. Result has 311 places, 252 transitions, 4880 flow [2024-11-19 13:55:16,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4611, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4880, PETRI_PLACES=311, PETRI_TRANSITIONS=252} [2024-11-19 13:55:16,814 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 276 predicate places. [2024-11-19 13:55:16,814 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 252 transitions, 4880 flow [2024-11-19 13:55:16,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:16,815 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:16,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:16,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 13:55:16,815 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:16,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2114789132, now seen corresponding path program 4 times [2024-11-19 13:55:16,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:16,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266074291] [2024-11-19 13:55:16,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:16,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:16,830 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:16,830 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:17,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:17,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266074291] [2024-11-19 13:55:17,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266074291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:17,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:17,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:17,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161939145] [2024-11-19 13:55:17,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:17,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:17,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:17,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:17,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:17,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:17,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 252 transitions, 4880 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:17,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:17,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:17,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:18,234 INFO L124 PetriNetUnfolderBase]: 884/1799 cut-off events. [2024-11-19 13:55:18,234 INFO L125 PetriNetUnfolderBase]: For 25093/25093 co-relation queries the response was YES. [2024-11-19 13:55:18,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11904 conditions, 1799 events. 884/1799 cut-off events. For 25093/25093 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11752 event pairs, 236 based on Foata normal form. 56/1855 useless extension candidates. Maximal degree in co-relation 11656. Up to 983 conditions per place. [2024-11-19 13:55:18,252 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 217 selfloop transitions, 91 changer transitions 5/313 dead transitions. [2024-11-19 13:55:18,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 313 transitions, 5836 flow [2024-11-19 13:55:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 13:55:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-19 13:55:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 250 transitions. [2024-11-19 13:55:18,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26260504201680673 [2024-11-19 13:55:18,254 INFO L175 Difference]: Start difference. First operand has 311 places, 252 transitions, 4880 flow. Second operand 28 states and 250 transitions. [2024-11-19 13:55:18,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 313 transitions, 5836 flow [2024-11-19 13:55:18,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 313 transitions, 5223 flow, removed 120 selfloop flow, removed 30 redundant places. [2024-11-19 13:55:18,372 INFO L231 Difference]: Finished difference. Result has 307 places, 253 transitions, 4506 flow [2024-11-19 13:55:18,372 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4310, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4506, PETRI_PLACES=307, PETRI_TRANSITIONS=253} [2024-11-19 13:55:18,373 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-11-19 13:55:18,373 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 253 transitions, 4506 flow [2024-11-19 13:55:18,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:18,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:18,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:18,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 13:55:18,374 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:18,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash 294059473, now seen corresponding path program 2 times [2024-11-19 13:55:18,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:18,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480079499] [2024-11-19 13:55:18,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:18,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:18,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:18,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480079499] [2024-11-19 13:55:18,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480079499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:18,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:18,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:18,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336127264] [2024-11-19 13:55:18,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:18,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:18,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:18,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:18,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:18,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 253 transitions, 4506 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:18,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:18,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:18,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:19,675 INFO L124 PetriNetUnfolderBase]: 844/1727 cut-off events. [2024-11-19 13:55:19,675 INFO L125 PetriNetUnfolderBase]: For 15995/15995 co-relation queries the response was YES. [2024-11-19 13:55:19,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10624 conditions, 1727 events. 844/1727 cut-off events. For 15995/15995 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 11211 event pairs, 308 based on Foata normal form. 32/1759 useless extension candidates. Maximal degree in co-relation 10233. Up to 646 conditions per place. [2024-11-19 13:55:19,688 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 178 selfloop transitions, 80 changer transitions 40/298 dead transitions. [2024-11-19 13:55:19,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 298 transitions, 5328 flow [2024-11-19 13:55:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 13:55:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-19 13:55:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 218 transitions. [2024-11-19 13:55:19,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26715686274509803 [2024-11-19 13:55:19,690 INFO L175 Difference]: Start difference. First operand has 307 places, 253 transitions, 4506 flow. Second operand 24 states and 218 transitions. [2024-11-19 13:55:19,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 298 transitions, 5328 flow [2024-11-19 13:55:19,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 5066 flow, removed 6 selfloop flow, removed 24 redundant places. [2024-11-19 13:55:19,751 INFO L231 Difference]: Finished difference. Result has 307 places, 230 transitions, 3935 flow [2024-11-19 13:55:19,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4238, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3935, PETRI_PLACES=307, PETRI_TRANSITIONS=230} [2024-11-19 13:55:19,752 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-11-19 13:55:19,752 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 230 transitions, 3935 flow [2024-11-19 13:55:19,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:19,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:19,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:19,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 13:55:19,753 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:19,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:19,753 INFO L85 PathProgramCache]: Analyzing trace with hash 293844433, now seen corresponding path program 4 times [2024-11-19 13:55:19,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:19,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243978027] [2024-11-19 13:55:19,753 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:19,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:19,770 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:19,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:20,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:20,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243978027] [2024-11-19 13:55:20,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243978027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:20,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:20,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:20,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584417509] [2024-11-19 13:55:20,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:20,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:20,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:20,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:20,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:20,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:20,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 230 transitions, 3935 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:20,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:20,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:20,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:20,916 INFO L124 PetriNetUnfolderBase]: 734/1527 cut-off events. [2024-11-19 13:55:20,916 INFO L125 PetriNetUnfolderBase]: For 13093/13093 co-relation queries the response was YES. [2024-11-19 13:55:20,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9005 conditions, 1527 events. 734/1527 cut-off events. For 13093/13093 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9712 event pairs, 290 based on Foata normal form. 28/1555 useless extension candidates. Maximal degree in co-relation 8699. Up to 573 conditions per place. [2024-11-19 13:55:20,926 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 143 selfloop transitions, 68 changer transitions 63/274 dead transitions. [2024-11-19 13:55:20,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 274 transitions, 4769 flow [2024-11-19 13:55:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:55:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 13:55:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2024-11-19 13:55:20,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27450980392156865 [2024-11-19 13:55:20,928 INFO L175 Difference]: Start difference. First operand has 307 places, 230 transitions, 3935 flow. Second operand 21 states and 196 transitions. [2024-11-19 13:55:20,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 274 transitions, 4769 flow [2024-11-19 13:55:20,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 274 transitions, 4438 flow, removed 20 selfloop flow, removed 29 redundant places. [2024-11-19 13:55:20,971 INFO L231 Difference]: Finished difference. Result has 292 places, 190 transitions, 3026 flow [2024-11-19 13:55:20,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3583, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3026, PETRI_PLACES=292, PETRI_TRANSITIONS=190} [2024-11-19 13:55:20,972 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-11-19 13:55:20,972 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 190 transitions, 3026 flow [2024-11-19 13:55:20,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:20,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:20,973 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:20,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 13:55:20,973 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:20,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:20,973 INFO L85 PathProgramCache]: Analyzing trace with hash -710199932, now seen corresponding path program 9 times [2024-11-19 13:55:20,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:20,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489865078] [2024-11-19 13:55:20,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:20,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:20,993 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:20,993 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:21,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:21,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489865078] [2024-11-19 13:55:21,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489865078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:21,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:21,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:21,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715144967] [2024-11-19 13:55:21,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:21,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:21,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:21,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:21,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:21,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:21,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 190 transitions, 3026 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:21,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:21,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:21,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:21,819 INFO L124 PetriNetUnfolderBase]: 584/1215 cut-off events. [2024-11-19 13:55:21,819 INFO L125 PetriNetUnfolderBase]: For 7242/7242 co-relation queries the response was YES. [2024-11-19 13:55:21,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6691 conditions, 1215 events. 584/1215 cut-off events. For 7242/7242 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7361 event pairs, 225 based on Foata normal form. 22/1237 useless extension candidates. Maximal degree in co-relation 6638. Up to 796 conditions per place. [2024-11-19 13:55:21,828 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 164 selfloop transitions, 47 changer transitions 11/222 dead transitions. [2024-11-19 13:55:21,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 222 transitions, 3504 flow [2024-11-19 13:55:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:55:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 13:55:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 158 transitions. [2024-11-19 13:55:21,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29044117647058826 [2024-11-19 13:55:21,830 INFO L175 Difference]: Start difference. First operand has 292 places, 190 transitions, 3026 flow. Second operand 16 states and 158 transitions. [2024-11-19 13:55:21,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 222 transitions, 3504 flow [2024-11-19 13:55:21,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 222 transitions, 3113 flow, removed 11 selfloop flow, removed 37 redundant places. [2024-11-19 13:55:21,855 INFO L231 Difference]: Finished difference. Result has 255 places, 180 transitions, 2592 flow [2024-11-19 13:55:21,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2592, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2592, PETRI_PLACES=255, PETRI_TRANSITIONS=180} [2024-11-19 13:55:21,856 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-19 13:55:21,856 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 180 transitions, 2592 flow [2024-11-19 13:55:21,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:21,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:21,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:21,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 13:55:21,857 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:21,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1986238755, now seen corresponding path program 3 times [2024-11-19 13:55:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747771776] [2024-11-19 13:55:21,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:21,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:21,876 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:22,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:22,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747771776] [2024-11-19 13:55:22,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747771776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:22,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:22,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:22,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803388799] [2024-11-19 13:55:22,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:22,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:22,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:22,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:22,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 180 transitions, 2592 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:22,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:22,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:22,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:22,948 INFO L124 PetriNetUnfolderBase]: 538/1137 cut-off events. [2024-11-19 13:55:22,948 INFO L125 PetriNetUnfolderBase]: For 4122/4122 co-relation queries the response was YES. [2024-11-19 13:55:22,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6125 conditions, 1137 events. 538/1137 cut-off events. For 4122/4122 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6848 event pairs, 179 based on Foata normal form. 48/1185 useless extension candidates. Maximal degree in co-relation 6085. Up to 414 conditions per place. [2024-11-19 13:55:22,953 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 53 changer transitions 62/211 dead transitions. [2024-11-19 13:55:22,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 211 transitions, 3087 flow [2024-11-19 13:55:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 13:55:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-19 13:55:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 204 transitions. [2024-11-19 13:55:22,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-11-19 13:55:22,954 INFO L175 Difference]: Start difference. First operand has 255 places, 180 transitions, 2592 flow. Second operand 24 states and 204 transitions. [2024-11-19 13:55:22,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 211 transitions, 3087 flow [2024-11-19 13:55:22,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 211 transitions, 2789 flow, removed 8 selfloop flow, removed 22 redundant places. [2024-11-19 13:55:22,969 INFO L231 Difference]: Finished difference. Result has 255 places, 130 transitions, 1624 flow [2024-11-19 13:55:22,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2263, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1624, PETRI_PLACES=255, PETRI_TRANSITIONS=130} [2024-11-19 13:55:22,970 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-19 13:55:22,970 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 130 transitions, 1624 flow [2024-11-19 13:55:22,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:22,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:22,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:22,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 13:55:22,970 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:22,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:22,971 INFO L85 PathProgramCache]: Analyzing trace with hash 728782213, now seen corresponding path program 4 times [2024-11-19 13:55:22,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:22,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129957136] [2024-11-19 13:55:22,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:22,984 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:22,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129957136] [2024-11-19 13:55:23,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129957136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:23,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:23,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:23,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729119141] [2024-11-19 13:55:23,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:23,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:23,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:23,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:23,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:23,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:23,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 130 transitions, 1624 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:23,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:23,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:23,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:23,885 INFO L124 PetriNetUnfolderBase]: 359/776 cut-off events. [2024-11-19 13:55:23,885 INFO L125 PetriNetUnfolderBase]: For 1796/1796 co-relation queries the response was YES. [2024-11-19 13:55:23,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 776 events. 359/776 cut-off events. For 1796/1796 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4196 event pairs, 113 based on Foata normal form. 8/784 useless extension candidates. Maximal degree in co-relation 3770. Up to 414 conditions per place. [2024-11-19 13:55:23,891 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 54 changer transitions 15/165 dead transitions. [2024-11-19 13:55:23,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 165 transitions, 2063 flow [2024-11-19 13:55:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:55:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 13:55:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 182 transitions. [2024-11-19 13:55:23,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24331550802139038 [2024-11-19 13:55:23,892 INFO L175 Difference]: Start difference. First operand has 255 places, 130 transitions, 1624 flow. Second operand 22 states and 182 transitions. [2024-11-19 13:55:23,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 165 transitions, 2063 flow [2024-11-19 13:55:23,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 165 transitions, 1804 flow, removed 10 selfloop flow, removed 43 redundant places. [2024-11-19 13:55:23,898 INFO L231 Difference]: Finished difference. Result has 209 places, 121 transitions, 1404 flow [2024-11-19 13:55:23,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1349, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1404, PETRI_PLACES=209, PETRI_TRANSITIONS=121} [2024-11-19 13:55:23,899 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 174 predicate places. [2024-11-19 13:55:23,899 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 121 transitions, 1404 flow [2024-11-19 13:55:23,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:23,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:23,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:23,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 13:55:23,899 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:23,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash 718057453, now seen corresponding path program 5 times [2024-11-19 13:55:23,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:23,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146290638] [2024-11-19 13:55:23,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:55:23,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:23,912 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:23,912 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:24,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:24,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146290638] [2024-11-19 13:55:24,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146290638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:24,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:24,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:55:24,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349475090] [2024-11-19 13:55:24,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:24,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:55:24,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:24,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:55:24,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:55:24,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:24,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 121 transitions, 1404 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:24,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:24,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:24,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:24,839 INFO L124 PetriNetUnfolderBase]: 303/672 cut-off events. [2024-11-19 13:55:24,839 INFO L125 PetriNetUnfolderBase]: For 1202/1202 co-relation queries the response was YES. [2024-11-19 13:55:24,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 672 events. 303/672 cut-off events. For 1202/1202 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3538 event pairs, 102 based on Foata normal form. 16/688 useless extension candidates. Maximal degree in co-relation 3202. Up to 414 conditions per place. [2024-11-19 13:55:24,842 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 67 selfloop transitions, 36 changer transitions 40/143 dead transitions. [2024-11-19 13:55:24,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 143 transitions, 1724 flow [2024-11-19 13:55:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:55:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 13:55:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 169 transitions. [2024-11-19 13:55:24,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22593582887700533 [2024-11-19 13:55:24,843 INFO L175 Difference]: Start difference. First operand has 209 places, 121 transitions, 1404 flow. Second operand 22 states and 169 transitions. [2024-11-19 13:55:24,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 143 transitions, 1724 flow [2024-11-19 13:55:24,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 143 transitions, 1540 flow, removed 0 selfloop flow, removed 24 redundant places. [2024-11-19 13:55:24,847 INFO L231 Difference]: Finished difference. Result has 195 places, 93 transitions, 1073 flow [2024-11-19 13:55:24,847 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1073, PETRI_PLACES=195, PETRI_TRANSITIONS=93} [2024-11-19 13:55:24,848 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 160 predicate places. [2024-11-19 13:55:24,848 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 93 transitions, 1073 flow [2024-11-19 13:55:24,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:24,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:24,848 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:24,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 13:55:24,848 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:24,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1340752818, now seen corresponding path program 1 times [2024-11-19 13:55:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:24,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170659739] [2024-11-19 13:55:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170659739] [2024-11-19 13:55:25,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170659739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:25,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:25,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035871012] [2024-11-19 13:55:25,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:25,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:25,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:25,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:25,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:25,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:25,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 93 transitions, 1073 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:25,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:25,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:25,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:25,501 INFO L124 PetriNetUnfolderBase]: 244/551 cut-off events. [2024-11-19 13:55:25,502 INFO L125 PetriNetUnfolderBase]: For 810/810 co-relation queries the response was YES. [2024-11-19 13:55:25,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2648 conditions, 551 events. 244/551 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2775 event pairs, 138 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 2631. Up to 381 conditions per place. [2024-11-19 13:55:25,504 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 71 selfloop transitions, 27 changer transitions 22/120 dead transitions. [2024-11-19 13:55:25,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 120 transitions, 1414 flow [2024-11-19 13:55:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:55:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:55:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2024-11-19 13:55:25,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2692307692307692 [2024-11-19 13:55:25,506 INFO L175 Difference]: Start difference. First operand has 195 places, 93 transitions, 1073 flow. Second operand 13 states and 119 transitions. [2024-11-19 13:55:25,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 120 transitions, 1414 flow [2024-11-19 13:55:25,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 120 transitions, 1297 flow, removed 0 selfloop flow, removed 14 redundant places. [2024-11-19 13:55:25,510 INFO L231 Difference]: Finished difference. Result has 151 places, 83 transitions, 889 flow [2024-11-19 13:55:25,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=947, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=889, PETRI_PLACES=151, PETRI_TRANSITIONS=83} [2024-11-19 13:55:25,511 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-19 13:55:25,511 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 83 transitions, 889 flow [2024-11-19 13:55:25,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:25,511 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:25,511 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:25,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 13:55:25,511 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:25,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:25,511 INFO L85 PathProgramCache]: Analyzing trace with hash 422805618, now seen corresponding path program 2 times [2024-11-19 13:55:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:25,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695388016] [2024-11-19 13:55:25,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:25,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:25,524 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:25,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:25,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695388016] [2024-11-19 13:55:25,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695388016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:25,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:25,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:25,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823393690] [2024-11-19 13:55:25,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:25,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:25,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:25,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:25,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:25,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:25,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 83 transitions, 889 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:25,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:25,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:25,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:26,169 INFO L124 PetriNetUnfolderBase]: 212/483 cut-off events. [2024-11-19 13:55:26,169 INFO L125 PetriNetUnfolderBase]: For 427/427 co-relation queries the response was YES. [2024-11-19 13:55:26,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2184 conditions, 483 events. 212/483 cut-off events. For 427/427 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2314 event pairs, 85 based on Foata normal form. 6/489 useless extension candidates. Maximal degree in co-relation 2168. Up to 314 conditions per place. [2024-11-19 13:55:26,171 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 39 selfloop transitions, 44 changer transitions 21/104 dead transitions. [2024-11-19 13:55:26,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 104 transitions, 1132 flow [2024-11-19 13:55:26,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:55:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:55:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 132 transitions. [2024-11-19 13:55:26,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22837370242214533 [2024-11-19 13:55:26,172 INFO L175 Difference]: Start difference. First operand has 151 places, 83 transitions, 889 flow. Second operand 17 states and 132 transitions. [2024-11-19 13:55:26,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 104 transitions, 1132 flow [2024-11-19 13:55:26,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 104 transitions, 1016 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-19 13:55:26,175 INFO L231 Difference]: Finished difference. Result has 142 places, 76 transitions, 795 flow [2024-11-19 13:55:26,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=795, PETRI_PLACES=142, PETRI_TRANSITIONS=76} [2024-11-19 13:55:26,175 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-19 13:55:26,176 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 76 transitions, 795 flow [2024-11-19 13:55:26,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:26,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:26,176 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:26,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-19 13:55:26,176 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:26,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:26,177 INFO L85 PathProgramCache]: Analyzing trace with hash 536997132, now seen corresponding path program 3 times [2024-11-19 13:55:26,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:26,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056644096] [2024-11-19 13:55:26,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:26,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:26,190 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:26,191 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:26,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:26,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056644096] [2024-11-19 13:55:26,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056644096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:26,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:26,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:26,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357951561] [2024-11-19 13:55:26,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:26,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:26,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:26,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 76 transitions, 795 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:26,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:26,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:26,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:26,746 INFO L124 PetriNetUnfolderBase]: 185/420 cut-off events. [2024-11-19 13:55:26,746 INFO L125 PetriNetUnfolderBase]: For 343/343 co-relation queries the response was YES. [2024-11-19 13:55:26,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 420 events. 185/420 cut-off events. For 343/343 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1913 event pairs, 90 based on Foata normal form. 6/424 useless extension candidates. Maximal degree in co-relation 1899. Up to 244 conditions per place. [2024-11-19 13:55:26,748 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 53 selfloop transitions, 22 changer transitions 27/102 dead transitions. [2024-11-19 13:55:26,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 102 transitions, 1048 flow [2024-11-19 13:55:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:55:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:55:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 133 transitions. [2024-11-19 13:55:26,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2607843137254902 [2024-11-19 13:55:26,749 INFO L175 Difference]: Start difference. First operand has 142 places, 76 transitions, 795 flow. Second operand 15 states and 133 transitions. [2024-11-19 13:55:26,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 102 transitions, 1048 flow [2024-11-19 13:55:26,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 102 transitions, 953 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-19 13:55:26,753 INFO L231 Difference]: Finished difference. Result has 130 places, 59 transitions, 560 flow [2024-11-19 13:55:26,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=560, PETRI_PLACES=130, PETRI_TRANSITIONS=59} [2024-11-19 13:55:26,753 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-19 13:55:26,753 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 59 transitions, 560 flow [2024-11-19 13:55:26,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:26,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:26,754 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:26,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-19 13:55:26,754 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:26,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:26,754 INFO L85 PathProgramCache]: Analyzing trace with hash -380950068, now seen corresponding path program 4 times [2024-11-19 13:55:26,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:26,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334045023] [2024-11-19 13:55:26,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:26,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:26,770 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:26,770 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334045023] [2024-11-19 13:55:27,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334045023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:27,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:27,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273853254] [2024-11-19 13:55:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:27,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:27,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:27,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:27,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:27,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:27,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 59 transitions, 560 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:27,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:27,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:27,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:27,504 INFO L124 PetriNetUnfolderBase]: 147/342 cut-off events. [2024-11-19 13:55:27,504 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-19 13:55:27,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1460 conditions, 342 events. 147/342 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1466 event pairs, 56 based on Foata normal form. 6/348 useless extension candidates. Maximal degree in co-relation 1445. Up to 206 conditions per place. [2024-11-19 13:55:27,506 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 28 selfloop transitions, 18 changer transitions 35/81 dead transitions. [2024-11-19 13:55:27,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 81 transitions, 762 flow [2024-11-19 13:55:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:55:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:55:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 135 transitions. [2024-11-19 13:55:27,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23356401384083045 [2024-11-19 13:55:27,507 INFO L175 Difference]: Start difference. First operand has 130 places, 59 transitions, 560 flow. Second operand 17 states and 135 transitions. [2024-11-19 13:55:27,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 81 transitions, 762 flow [2024-11-19 13:55:27,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 81 transitions, 689 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-19 13:55:27,509 INFO L231 Difference]: Finished difference. Result has 116 places, 41 transitions, 376 flow [2024-11-19 13:55:27,509 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=376, PETRI_PLACES=116, PETRI_TRANSITIONS=41} [2024-11-19 13:55:27,511 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 81 predicate places. [2024-11-19 13:55:27,511 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 41 transitions, 376 flow [2024-11-19 13:55:27,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:27,511 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:27,511 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:27,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-19 13:55:27,512 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:27,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:27,512 INFO L85 PathProgramCache]: Analyzing trace with hash 156956044, now seen corresponding path program 5 times [2024-11-19 13:55:27,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:27,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682562776] [2024-11-19 13:55:27,512 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:55:27,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:27,527 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:27,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:27,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:27,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682562776] [2024-11-19 13:55:27,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682562776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:27,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:27,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:27,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692803988] [2024-11-19 13:55:27,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:27,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:27,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:27,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:27,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:27,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:27,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 41 transitions, 376 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:27,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:27,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:27,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:28,121 INFO L124 PetriNetUnfolderBase]: 102/237 cut-off events. [2024-11-19 13:55:28,121 INFO L125 PetriNetUnfolderBase]: For 202/202 co-relation queries the response was YES. [2024-11-19 13:55:28,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 237 events. 102/237 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 928 event pairs, 4 based on Foata normal form. 12/249 useless extension candidates. Maximal degree in co-relation 949. Up to 96 conditions per place. [2024-11-19 13:55:28,122 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 22 selfloop transitions, 15 changer transitions 23/60 dead transitions. [2024-11-19 13:55:28,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 60 transitions, 530 flow [2024-11-19 13:55:28,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:55:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 13:55:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2024-11-19 13:55:28,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21507352941176472 [2024-11-19 13:55:28,123 INFO L175 Difference]: Start difference. First operand has 116 places, 41 transitions, 376 flow. Second operand 16 states and 117 transitions. [2024-11-19 13:55:28,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 60 transitions, 530 flow [2024-11-19 13:55:28,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 60 transitions, 462 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-19 13:55:28,124 INFO L231 Difference]: Finished difference. Result has 90 places, 28 transitions, 193 flow [2024-11-19 13:55:28,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=193, PETRI_PLACES=90, PETRI_TRANSITIONS=28} [2024-11-19 13:55:28,125 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 55 predicate places. [2024-11-19 13:55:28,125 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 28 transitions, 193 flow [2024-11-19 13:55:28,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:28,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:28,125 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:28,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 13:55:28,125 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:28,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:28,126 INFO L85 PathProgramCache]: Analyzing trace with hash -760991156, now seen corresponding path program 6 times [2024-11-19 13:55:28,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:28,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753249832] [2024-11-19 13:55:28,126 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 13:55:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:28,141 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 13:55:28,141 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:28,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753249832] [2024-11-19 13:55:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753249832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:28,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:28,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:28,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938841775] [2024-11-19 13:55:28,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:28,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:28,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:28,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:28,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:28,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:55:28,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 28 transitions, 193 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:28,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:28,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:55:28,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:28,608 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2024-11-19 13:55:28,608 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-19 13:55:28,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 125 events. 50/125 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 371 event pairs, 0 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 441. Up to 48 conditions per place. [2024-11-19 13:55:28,608 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-11-19 13:55:28,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 40 transitions, 290 flow [2024-11-19 13:55:28,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:55:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:55:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 90 transitions. [2024-11-19 13:55:28,609 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20361990950226244 [2024-11-19 13:55:28,609 INFO L175 Difference]: Start difference. First operand has 90 places, 28 transitions, 193 flow. Second operand 13 states and 90 transitions. [2024-11-19 13:55:28,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 40 transitions, 290 flow [2024-11-19 13:55:28,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 40 transitions, 230 flow, removed 1 selfloop flow, removed 18 redundant places. [2024-11-19 13:55:28,610 INFO L231 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2024-11-19 13:55:28,610 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2024-11-19 13:55:28,610 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 29 predicate places. [2024-11-19 13:55:28,610 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2024-11-19 13:55:28,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:28,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 13:55:28,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 13:55:28,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-19 13:55:28,615 INFO L407 BasicCegarLoop]: Path program histogram: [9, 6, 5, 4, 4, 4, 3, 3, 1, 1, 1] [2024-11-19 13:55:28,620 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:55:28,620 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:55:28,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:55:28 BasicIcfg [2024-11-19 13:55:28,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:55:28,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:55:28,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:55:28,628 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:55:28,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:33" (3/4) ... [2024-11-19 13:55:28,630 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:55:28,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-19 13:55:28,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-11-19 13:55:28,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-19 13:55:28,639 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-19 13:55:28,639 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:55:28,740 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:55:28,741 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:55:28,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:55:28,741 INFO L158 Benchmark]: Toolchain (without parser) took 56791.48ms. Allocated memory was 178.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 124.2MB in the beginning and 958.1MB in the end (delta: -833.9MB). Peak memory consumption was 587.3MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,742 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:55:28,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.24ms. Allocated memory is still 178.3MB. Free memory was 123.7MB in the beginning and 86.4MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 178.3MB. Free memory was 86.4MB in the beginning and 83.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,742 INFO L158 Benchmark]: Boogie Preprocessor took 114.03ms. Allocated memory is still 178.3MB. Free memory was 83.9MB in the beginning and 144.4MB in the end (delta: -60.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,743 INFO L158 Benchmark]: RCFGBuilder took 868.57ms. Allocated memory is still 178.3MB. Free memory was 144.4MB in the beginning and 99.4MB in the end (delta: 45.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,743 INFO L158 Benchmark]: TraceAbstraction took 54910.83ms. Allocated memory was 178.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.4MB in the beginning and 964.4MB in the end (delta: -865.0MB). Peak memory consumption was 555.8MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,743 INFO L158 Benchmark]: Witness Printer took 115.97ms. Allocated memory is still 1.6GB. Free memory was 963.3MB in the beginning and 958.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:55:28,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.24ms. Allocated memory is still 178.3MB. Free memory was 123.7MB in the beginning and 86.4MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 178.3MB. Free memory was 86.4MB in the beginning and 83.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.03ms. Allocated memory is still 178.3MB. Free memory was 83.9MB in the beginning and 144.4MB in the end (delta: -60.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * RCFGBuilder took 868.57ms. Allocated memory is still 178.3MB. Free memory was 144.4MB in the beginning and 99.4MB in the end (delta: 45.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 54910.83ms. Allocated memory was 178.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.4MB in the beginning and 964.4MB in the end (delta: -865.0MB). Peak memory consumption was 555.8MB. Max. memory is 16.1GB. * Witness Printer took 115.97ms. Allocated memory is still 1.6GB. Free memory was 963.3MB in the beginning and 958.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 54.8s, OverallIterations: 41, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3397 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3396 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15334 IncrementalHoareTripleChecker+Invalid, 15771 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 1 mSDtfsCounter, 15334 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 93 SyntacticMatches, 7 SemanticMatches, 772 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2758 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7319occurred in iteration=16, InterpolantAutomatonStates: 730, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 5701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:55:28,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE