./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_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.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:13:27,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:13:27,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:13:27,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:13:27,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:13:27,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:13:27,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:13:27,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:13:27,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:13:27,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:13:27,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:13:27,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:13:27,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:13:27,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:13:27,738 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:13:27,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:13:27,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:13:27,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:13:27,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:13:27,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:13:27,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:13:27,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:13:27,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:13:27,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:13:27,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:13:27,740 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:13:27,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:13:27,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:13:27,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:13:27,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:13:27,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:13:27,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:13:27,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:13:27,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:13:27,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:13:27,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:13:27,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:13:27,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:13:27,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:13:27,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-10 22:13:27,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:13:27,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:13:27,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:13:27,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:13:27,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:13:27,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-10 22:13:29,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:13:29,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:13:29,356 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-10 22:13:29,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a397fad7c/a7afdb635b744c2a8f8f132278f07590/FLAG20121bfa1 [2024-11-10 22:13:29,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a397fad7c/a7afdb635b744c2a8f8f132278f07590 [2024-11-10 22:13:29,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:13:29,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:13:29,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:13:29,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:13:29,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:13:29,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21152307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29, skipping insertion in model container [2024-11-10 22:13:29,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:13:29,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:13:29,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:13:29,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:13:29,885 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:13:29,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29 WrapperNode [2024-11-10 22:13:29,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:13:29,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:13:29,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:13:29,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:13:29,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,941 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-11-10 22:13:29,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:13:29,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:13:29,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:13:29,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:13:29,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,975 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 2, 11]. 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, 2, 6]. [2024-11-10 22:13:29,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:29,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:13:30,000 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:13:30,000 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:13:30,000 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:13:30,000 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (1/1) ... [2024-11-10 22:13:30,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:13:30,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:13:30,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 22:13:30,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 22:13:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-10 22:13:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-10 22:13:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:13:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 22:13:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:13:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:13:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:13:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:13:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 22:13:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:13:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 22:13:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 22:13:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:13:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:13:30,087 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:13:30,294 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:13:30,295 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:13:30,465 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:13:30,465 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:13:30,578 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:13:30,578 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:13:30,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:13:30 BoogieIcfgContainer [2024-11-10 22:13:30,579 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:13:30,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:13:30,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:13:30,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:13:30,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:13:29" (1/3) ... [2024-11-10 22:13:30,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419397f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:13:30, skipping insertion in model container [2024-11-10 22:13:30,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:29" (2/3) ... [2024-11-10 22:13:30,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419397f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:13:30, skipping insertion in model container [2024-11-10 22:13:30,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:13:30" (3/3) ... [2024-11-10 22:13:30,585 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-10 22:13:30,598 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:13:30,599 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 22:13:30,599 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:13:30,636 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 22:13:30,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-10 22:13:30,688 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-10 22:13:30,689 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 22:13:30,691 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 76 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. [2024-11-10 22:13:30,691 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-10 22:13:30,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-10 22:13:30,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:13:30,708 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;@7f369f98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:13:30,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 22:13:30,715 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:13:30,716 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-10 22:13:30,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:13:30,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:30,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:30,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:30,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1403203418, now seen corresponding path program 1 times [2024-11-10 22:13:30,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:30,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293210792] [2024-11-10 22:13:30,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:31,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293210792] [2024-11-10 22:13:31,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293210792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:31,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:31,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:31,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763296788] [2024-11-10 22:13:31,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:31,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:31,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:31,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:31,543 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:31,545 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) [2024-11-10 22:13:31,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:31,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:31,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:31,946 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-11-10 22:13:31,947 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-10 22:13:31,952 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 6471 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. [2024-11-10 22:13:31,960 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-10 22:13:31,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-10 22:13:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 22:13:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 22:13:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-10 22:13:31,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-10 22:13:31,974 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-10 22:13:31,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-10 22:13:31,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 22:13:31,981 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-10 22:13:31,982 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} [2024-11-10 22:13:31,985 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-10 22:13:31,986 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-10 22:13:31,986 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) [2024-11-10 22:13:31,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:31,987 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:31,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:13:31,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:31,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash -993921536, now seen corresponding path program 1 times [2024-11-10 22:13:31,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:31,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546140935] [2024-11-10 22:13:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:31,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:32,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:32,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546140935] [2024-11-10 22:13:32,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546140935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:32,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:32,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:32,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358592816] [2024-11-10 22:13:32,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:32,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:32,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:32,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:32,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:32,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:32,300 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) [2024-11-10 22:13:32,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:32,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:32,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:32,588 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-10 22:13:32,589 INFO L125 PetriNetUnfolderBase]: For 756/756 co-relation queries the response was YES. [2024-11-10 22:13:32,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 756/756 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8221 event pairs, 533 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-11-10 22:13:32,596 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-11-10 22:13:32,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-11-10 22:13:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 22:13:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 22:13:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-11-10 22:13:32,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-10 22:13:32,598 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-11-10 22:13:32,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-11-10 22:13:32,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:32,602 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-11-10 22:13:32,602 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} [2024-11-10 22:13:32,603 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-11-10 22:13:32,603 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-11-10 22:13:32,603 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) [2024-11-10 22:13:32,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:32,603 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:32,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:13:32,604 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:32,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash 242750689, now seen corresponding path program 1 times [2024-11-10 22:13:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:32,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018568444] [2024-11-10 22:13:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:32,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:32,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018568444] [2024-11-10 22:13:32,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018568444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:32,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:32,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363645961] [2024-11-10 22:13:32,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:32,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:32,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:32,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:32,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:32,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:32,932 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) [2024-11-10 22:13:32,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:32,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:32,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:33,431 INFO L124 PetriNetUnfolderBase]: 1385/2406 cut-off events. [2024-11-10 22:13:33,431 INFO L125 PetriNetUnfolderBase]: For 2397/2397 co-relation queries the response was YES. [2024-11-10 22:13:33,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7248 conditions, 2406 events. 1385/2406 cut-off events. For 2397/2397 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 14186 event pairs, 625 based on Foata normal form. 58/2304 useless extension candidates. Maximal degree in co-relation 4622. Up to 1524 conditions per place. [2024-11-10 22:13:33,441 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 98 selfloop transitions, 49 changer transitions 7/155 dead transitions. [2024-11-10 22:13:33,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 155 transitions, 1108 flow [2024-11-10 22:13:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 22:13:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 22:13:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2024-11-10 22:13:33,444 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37745098039215685 [2024-11-10 22:13:33,444 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 12 states and 154 transitions. [2024-11-10 22:13:33,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 155 transitions, 1108 flow [2024-11-10 22:13:33,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 1108 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 22:13:33,455 INFO L231 Difference]: Finished difference. Result has 77 places, 104 transitions, 806 flow [2024-11-10 22:13:33,455 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=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=806, PETRI_PLACES=77, PETRI_TRANSITIONS=104} [2024-11-10 22:13:33,456 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2024-11-10 22:13:33,457 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 104 transitions, 806 flow [2024-11-10 22:13:33,457 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) [2024-11-10 22:13:33,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:33,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:33,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:13:33,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:33,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:33,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1670126849, now seen corresponding path program 1 times [2024-11-10 22:13:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455231648] [2024-11-10 22:13:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:33,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:33,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:33,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455231648] [2024-11-10 22:13:33,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455231648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:33,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:33,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:33,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249849985] [2024-11-10 22:13:33,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:33,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:33,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:33,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:33,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:33,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 104 transitions, 806 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) [2024-11-10 22:13:33,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:33,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:33,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:34,636 INFO L124 PetriNetUnfolderBase]: 1656/2895 cut-off events. [2024-11-10 22:13:34,636 INFO L125 PetriNetUnfolderBase]: For 8254/8262 co-relation queries the response was YES. [2024-11-10 22:13:34,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11049 conditions, 2895 events. 1656/2895 cut-off events. For 8254/8262 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 17861 event pairs, 731 based on Foata normal form. 62/2769 useless extension candidates. Maximal degree in co-relation 10738. Up to 1646 conditions per place. [2024-11-10 22:13:34,652 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 107 selfloop transitions, 96 changer transitions 5/209 dead transitions. [2024-11-10 22:13:34,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 209 transitions, 1918 flow [2024-11-10 22:13:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 22:13:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-10 22:13:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 221 transitions. [2024-11-10 22:13:34,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.325 [2024-11-10 22:13:34,654 INFO L175 Difference]: Start difference. First operand has 77 places, 104 transitions, 806 flow. Second operand 20 states and 221 transitions. [2024-11-10 22:13:34,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 209 transitions, 1918 flow [2024-11-10 22:13:34,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 209 transitions, 1889 flow, removed 10 selfloop flow, removed 2 redundant places. [2024-11-10 22:13:34,671 INFO L231 Difference]: Finished difference. Result has 103 places, 146 transitions, 1456 flow [2024-11-10 22:13:34,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1456, PETRI_PLACES=103, PETRI_TRANSITIONS=146} [2024-11-10 22:13:34,672 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 68 predicate places. [2024-11-10 22:13:34,672 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 146 transitions, 1456 flow [2024-11-10 22:13:34,672 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) [2024-11-10 22:13:34,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:34,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:34,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:13:34,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:34,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:34,673 INFO L85 PathProgramCache]: Analyzing trace with hash 55961343, now seen corresponding path program 2 times [2024-11-10 22:13:34,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:34,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9067177] [2024-11-10 22:13:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:34,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:35,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:35,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9067177] [2024-11-10 22:13:35,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9067177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:35,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:35,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:35,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695841495] [2024-11-10 22:13:35,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:35,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:35,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:35,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:35,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:35,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:35,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 146 transitions, 1456 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) [2024-11-10 22:13:35,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:35,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:35,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:35,707 INFO L124 PetriNetUnfolderBase]: 1952/3469 cut-off events. [2024-11-10 22:13:35,708 INFO L125 PetriNetUnfolderBase]: For 16547/16549 co-relation queries the response was YES. [2024-11-10 22:13:35,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15370 conditions, 3469 events. 1952/3469 cut-off events. For 16547/16549 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 22748 event pairs, 1093 based on Foata normal form. 52/3313 useless extension candidates. Maximal degree in co-relation 15136. Up to 2295 conditions per place. [2024-11-10 22:13:35,732 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 93 changer transitions 7/245 dead transitions. [2024-11-10 22:13:35,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 245 transitions, 2714 flow [2024-11-10 22:13:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 22:13:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-10 22:13:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 219 transitions. [2024-11-10 22:13:35,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3220588235294118 [2024-11-10 22:13:35,735 INFO L175 Difference]: Start difference. First operand has 103 places, 146 transitions, 1456 flow. Second operand 20 states and 219 transitions. [2024-11-10 22:13:35,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 245 transitions, 2714 flow [2024-11-10 22:13:35,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 245 transitions, 2646 flow, removed 19 selfloop flow, removed 4 redundant places. [2024-11-10 22:13:35,764 INFO L231 Difference]: Finished difference. Result has 124 places, 185 transitions, 2100 flow [2024-11-10 22:13:35,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2100, PETRI_PLACES=124, PETRI_TRANSITIONS=185} [2024-11-10 22:13:35,767 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 89 predicate places. [2024-11-10 22:13:35,768 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 185 transitions, 2100 flow [2024-11-10 22:13:35,769 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) [2024-11-10 22:13:35,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:35,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:35,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:13:35,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:35,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:35,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1476187439, now seen corresponding path program 3 times [2024-11-10 22:13:35,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:35,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159920134] [2024-11-10 22:13:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:35,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159920134] [2024-11-10 22:13:36,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159920134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:36,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:36,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:36,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614608377] [2024-11-10 22:13:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:36,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:36,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:36,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:36,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:36,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:36,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 185 transitions, 2100 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) [2024-11-10 22:13:36,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:36,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:36,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:36,908 INFO L124 PetriNetUnfolderBase]: 1841/3313 cut-off events. [2024-11-10 22:13:36,909 INFO L125 PetriNetUnfolderBase]: For 20673/20675 co-relation queries the response was YES. [2024-11-10 22:13:36,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15560 conditions, 3313 events. 1841/3313 cut-off events. For 20673/20675 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 21730 event pairs, 982 based on Foata normal form. 56/3183 useless extension candidates. Maximal degree in co-relation 15299. Up to 1883 conditions per place. [2024-11-10 22:13:36,933 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 152 selfloop transitions, 115 changer transitions 4/272 dead transitions. [2024-11-10 22:13:36,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 272 transitions, 3349 flow [2024-11-10 22:13:36,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 22:13:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-10 22:13:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-11-10 22:13:36,935 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-11-10 22:13:36,935 INFO L175 Difference]: Start difference. First operand has 124 places, 185 transitions, 2100 flow. Second operand 20 states and 224 transitions. [2024-11-10 22:13:36,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 272 transitions, 3349 flow [2024-11-10 22:13:36,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 272 transitions, 3180 flow, removed 50 selfloop flow, removed 6 redundant places. [2024-11-10 22:13:36,975 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2629 flow [2024-11-10 22:13:36,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1957, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2629, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2024-11-10 22:13:36,976 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-10 22:13:36,976 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2629 flow [2024-11-10 22:13:36,977 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) [2024-11-10 22:13:36,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:36,977 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:36,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 22:13:36,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:36,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:36,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1675691263, now seen corresponding path program 2 times [2024-11-10 22:13:36,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:36,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855551550] [2024-11-10 22:13:36,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:36,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:37,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:37,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855551550] [2024-11-10 22:13:37,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855551550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:37,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:37,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:37,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530968260] [2024-11-10 22:13:37,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:37,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:37,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:37,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:37,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:37,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:37,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2629 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) [2024-11-10 22:13:37,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:37,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:37,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:38,047 INFO L124 PetriNetUnfolderBase]: 1958/3583 cut-off events. [2024-11-10 22:13:38,047 INFO L125 PetriNetUnfolderBase]: For 27674/27686 co-relation queries the response was YES. [2024-11-10 22:13:38,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18223 conditions, 3583 events. 1958/3583 cut-off events. For 27674/27686 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 24444 event pairs, 1157 based on Foata normal form. 78/3475 useless extension candidates. Maximal degree in co-relation 17936. Up to 2114 conditions per place. [2024-11-10 22:13:38,076 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 164 selfloop transitions, 91 changer transitions 15/271 dead transitions. [2024-11-10 22:13:38,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 271 transitions, 3670 flow [2024-11-10 22:13:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 22:13:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 22:13:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 170 transitions. [2024-11-10 22:13:38,079 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-10 22:13:38,079 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2629 flow. Second operand 15 states and 170 transitions. [2024-11-10 22:13:38,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 271 transitions, 3670 flow [2024-11-10 22:13:38,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 271 transitions, 3343 flow, removed 48 selfloop flow, removed 15 redundant places. [2024-11-10 22:13:38,135 INFO L231 Difference]: Finished difference. Result has 144 places, 216 transitions, 2609 flow [2024-11-10 22:13:38,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2332, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2609, PETRI_PLACES=144, PETRI_TRANSITIONS=216} [2024-11-10 22:13:38,136 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2024-11-10 22:13:38,136 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 216 transitions, 2609 flow [2024-11-10 22:13:38,136 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) [2024-11-10 22:13:38,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:38,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:38,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 22:13:38,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:38,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:38,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1476187663, now seen corresponding path program 3 times [2024-11-10 22:13:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:38,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442827086] [2024-11-10 22:13:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:38,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:38,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442827086] [2024-11-10 22:13:38,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442827086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:38,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:38,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:38,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402922895] [2024-11-10 22:13:38,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:38,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:38,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:38,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:38,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:38,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:38,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 216 transitions, 2609 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) [2024-11-10 22:13:38,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:38,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:38,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:39,317 INFO L124 PetriNetUnfolderBase]: 1873/3443 cut-off events. [2024-11-10 22:13:39,318 INFO L125 PetriNetUnfolderBase]: For 27156/27158 co-relation queries the response was YES. [2024-11-10 22:13:39,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17871 conditions, 3443 events. 1873/3443 cut-off events. For 27156/27158 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 23440 event pairs, 1027 based on Foata normal form. 72/3337 useless extension candidates. Maximal degree in co-relation 16341. Up to 2037 conditions per place. [2024-11-10 22:13:39,335 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 150 selfloop transitions, 120 changer transitions 13/284 dead transitions. [2024-11-10 22:13:39,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 284 transitions, 3701 flow [2024-11-10 22:13:39,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 22:13:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-10 22:13:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-10 22:13:39,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-10 22:13:39,338 INFO L175 Difference]: Start difference. First operand has 144 places, 216 transitions, 2609 flow. Second operand 19 states and 210 transitions. [2024-11-10 22:13:39,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 284 transitions, 3701 flow [2024-11-10 22:13:39,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 284 transitions, 3512 flow, removed 43 selfloop flow, removed 7 redundant places. [2024-11-10 22:13:39,403 INFO L231 Difference]: Finished difference. Result has 160 places, 223 transitions, 2846 flow [2024-11-10 22:13:39,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2444, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2846, PETRI_PLACES=160, PETRI_TRANSITIONS=223} [2024-11-10 22:13:39,404 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 125 predicate places. [2024-11-10 22:13:39,404 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 223 transitions, 2846 flow [2024-11-10 22:13:39,404 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) [2024-11-10 22:13:39,404 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:39,405 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:39,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 22:13:39,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:39,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1565401981, now seen corresponding path program 1 times [2024-11-10 22:13:39,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:39,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558204318] [2024-11-10 22:13:39,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:39,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:39,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558204318] [2024-11-10 22:13:39,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558204318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:39,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:39,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 22:13:39,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450371376] [2024-11-10 22:13:39,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:39,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:13:39,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:39,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:13:39,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:13:39,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:39,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 223 transitions, 2846 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) [2024-11-10 22:13:39,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:39,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:39,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:40,800 INFO L124 PetriNetUnfolderBase]: 1852/3447 cut-off events. [2024-11-10 22:13:40,800 INFO L125 PetriNetUnfolderBase]: For 28913/28915 co-relation queries the response was YES. [2024-11-10 22:13:40,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18300 conditions, 3447 events. 1852/3447 cut-off events. For 28913/28915 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23525 event pairs, 619 based on Foata normal form. 0/3289 useless extension candidates. Maximal degree in co-relation 17830. Up to 1520 conditions per place. [2024-11-10 22:13:40,863 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 201 selfloop transitions, 131 changer transitions 13/346 dead transitions. [2024-11-10 22:13:40,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 346 transitions, 4584 flow [2024-11-10 22:13:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 22:13:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-10 22:13:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 249 transitions. [2024-11-10 22:13:40,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31841432225063937 [2024-11-10 22:13:40,865 INFO L175 Difference]: Start difference. First operand has 160 places, 223 transitions, 2846 flow. Second operand 23 states and 249 transitions. [2024-11-10 22:13:40,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 346 transitions, 4584 flow [2024-11-10 22:13:40,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 346 transitions, 4346 flow, removed 27 selfloop flow, removed 13 redundant places. [2024-11-10 22:13:40,927 INFO L231 Difference]: Finished difference. Result has 180 places, 260 transitions, 3547 flow [2024-11-10 22:13:40,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2627, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3547, PETRI_PLACES=180, PETRI_TRANSITIONS=260} [2024-11-10 22:13:40,928 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 145 predicate places. [2024-11-10 22:13:40,928 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 260 transitions, 3547 flow [2024-11-10 22:13:40,928 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) [2024-11-10 22:13:40,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:40,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:40,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 22:13:40,929 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:40,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1565401980, now seen corresponding path program 1 times [2024-11-10 22:13:40,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:40,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588346180] [2024-11-10 22:13:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:40,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:41,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:41,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588346180] [2024-11-10 22:13:41,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588346180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:41,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:41,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:41,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113417377] [2024-11-10 22:13:41,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:41,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:41,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:41,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:41,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 260 transitions, 3547 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) [2024-11-10 22:13:41,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:41,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:41,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:42,078 INFO L124 PetriNetUnfolderBase]: 1397/2678 cut-off events. [2024-11-10 22:13:42,078 INFO L125 PetriNetUnfolderBase]: For 35762/35764 co-relation queries the response was YES. [2024-11-10 22:13:42,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16354 conditions, 2678 events. 1397/2678 cut-off events. For 35762/35764 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 18164 event pairs, 568 based on Foata normal form. 14/2608 useless extension candidates. Maximal degree in co-relation 15888. Up to 2117 conditions per place. [2024-11-10 22:13:42,108 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 238 selfloop transitions, 64 changer transitions 27/330 dead transitions. [2024-11-10 22:13:42,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 330 transitions, 4802 flow [2024-11-10 22:13:42,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 22:13:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 22:13:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 180 transitions. [2024-11-10 22:13:42,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31141868512110726 [2024-11-10 22:13:42,110 INFO L175 Difference]: Start difference. First operand has 180 places, 260 transitions, 3547 flow. Second operand 17 states and 180 transitions. [2024-11-10 22:13:42,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 330 transitions, 4802 flow [2024-11-10 22:13:42,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 330 transitions, 4410 flow, removed 154 selfloop flow, removed 10 redundant places. [2024-11-10 22:13:42,236 INFO L231 Difference]: Finished difference. Result has 194 places, 273 transitions, 3633 flow [2024-11-10 22:13:42,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3283, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3633, PETRI_PLACES=194, PETRI_TRANSITIONS=273} [2024-11-10 22:13:42,237 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 159 predicate places. [2024-11-10 22:13:42,237 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 273 transitions, 3633 flow [2024-11-10 22:13:42,237 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) [2024-11-10 22:13:42,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:42,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:42,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 22:13:42,238 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:42,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1637476980, now seen corresponding path program 2 times [2024-11-10 22:13:42,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:42,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093503564] [2024-11-10 22:13:42,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:42,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:42,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093503564] [2024-11-10 22:13:42,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093503564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:42,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:42,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:42,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289485017] [2024-11-10 22:13:42,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:42,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:42,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:42,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:42,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:42,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:42,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 273 transitions, 3633 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) [2024-11-10 22:13:42,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:42,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:42,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:43,509 INFO L124 PetriNetUnfolderBase]: 1599/3061 cut-off events. [2024-11-10 22:13:43,510 INFO L125 PetriNetUnfolderBase]: For 42562/42564 co-relation queries the response was YES. [2024-11-10 22:13:43,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18409 conditions, 3061 events. 1599/3061 cut-off events. For 42562/42564 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 21235 event pairs, 470 based on Foata normal form. 32/3009 useless extension candidates. Maximal degree in co-relation 17942. Up to 1409 conditions per place. [2024-11-10 22:13:43,536 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 291 selfloop transitions, 132 changer transitions 0/424 dead transitions. [2024-11-10 22:13:43,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 424 transitions, 5932 flow [2024-11-10 22:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 22:13:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 22:13:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 243 transitions. [2024-11-10 22:13:43,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3403361344537815 [2024-11-10 22:13:43,538 INFO L175 Difference]: Start difference. First operand has 194 places, 273 transitions, 3633 flow. Second operand 21 states and 243 transitions. [2024-11-10 22:13:43,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 424 transitions, 5932 flow [2024-11-10 22:13:43,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 424 transitions, 5754 flow, removed 51 selfloop flow, removed 7 redundant places. [2024-11-10 22:13:43,693 INFO L231 Difference]: Finished difference. Result has 215 places, 327 transitions, 4816 flow [2024-11-10 22:13:43,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3513, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4816, PETRI_PLACES=215, PETRI_TRANSITIONS=327} [2024-11-10 22:13:43,694 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 180 predicate places. [2024-11-10 22:13:43,694 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 327 transitions, 4816 flow [2024-11-10 22:13:43,694 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) [2024-11-10 22:13:43,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:43,694 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:43,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 22:13:43,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:43,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1648518871, now seen corresponding path program 2 times [2024-11-10 22:13:43,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:43,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316559851] [2024-11-10 22:13:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316559851] [2024-11-10 22:13:44,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316559851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:44,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 22:13:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110302754] [2024-11-10 22:13:44,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:44,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:13:44,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:44,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:13:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:13:44,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:44,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 327 transitions, 4816 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) [2024-11-10 22:13:44,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:44,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:44,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:45,150 INFO L124 PetriNetUnfolderBase]: 1749/3361 cut-off events. [2024-11-10 22:13:45,150 INFO L125 PetriNetUnfolderBase]: For 52570/52572 co-relation queries the response was YES. [2024-11-10 22:13:45,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21335 conditions, 3361 events. 1749/3361 cut-off events. For 52570/52572 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 23735 event pairs, 456 based on Foata normal form. 14/3291 useless extension candidates. Maximal degree in co-relation 20562. Up to 1062 conditions per place. [2024-11-10 22:13:45,174 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 275 selfloop transitions, 171 changer transitions 9/456 dead transitions. [2024-11-10 22:13:45,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 456 transitions, 7012 flow [2024-11-10 22:13:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 22:13:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-10 22:13:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 272 transitions. [2024-11-10 22:13:45,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32 [2024-11-10 22:13:45,175 INFO L175 Difference]: Start difference. First operand has 215 places, 327 transitions, 4816 flow. Second operand 25 states and 272 transitions. [2024-11-10 22:13:45,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 456 transitions, 7012 flow [2024-11-10 22:13:45,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 456 transitions, 6697 flow, removed 153 selfloop flow, removed 3 redundant places. [2024-11-10 22:13:45,394 INFO L231 Difference]: Finished difference. Result has 243 places, 359 transitions, 5719 flow [2024-11-10 22:13:45,395 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4637, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5719, PETRI_PLACES=243, PETRI_TRANSITIONS=359} [2024-11-10 22:13:45,395 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 208 predicate places. [2024-11-10 22:13:45,395 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 359 transitions, 5719 flow [2024-11-10 22:13:45,395 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) [2024-11-10 22:13:45,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:45,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:45,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 22:13:45,396 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:45,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1648518870, now seen corresponding path program 3 times [2024-11-10 22:13:45,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:45,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082437533] [2024-11-10 22:13:45,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:45,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:45,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082437533] [2024-11-10 22:13:45,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082437533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:45,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:45,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:45,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503064755] [2024-11-10 22:13:45,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:45,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:45,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:45,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:45,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:45,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 359 transitions, 5719 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) [2024-11-10 22:13:45,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:45,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:45,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:46,610 INFO L124 PetriNetUnfolderBase]: 1824/3537 cut-off events. [2024-11-10 22:13:46,610 INFO L125 PetriNetUnfolderBase]: For 60989/60991 co-relation queries the response was YES. [2024-11-10 22:13:46,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23125 conditions, 3537 events. 1824/3537 cut-off events. For 60989/60991 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 25637 event pairs, 656 based on Foata normal form. 18/3471 useless extension candidates. Maximal degree in co-relation 22623. Up to 2323 conditions per place. [2024-11-10 22:13:46,643 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 335 selfloop transitions, 109 changer transitions 21/466 dead transitions. [2024-11-10 22:13:46,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 466 transitions, 7636 flow [2024-11-10 22:13:46,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 22:13:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 22:13:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 234 transitions. [2024-11-10 22:13:46,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3277310924369748 [2024-11-10 22:13:46,645 INFO L175 Difference]: Start difference. First operand has 243 places, 359 transitions, 5719 flow. Second operand 21 states and 234 transitions. [2024-11-10 22:13:46,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 466 transitions, 7636 flow [2024-11-10 22:13:46,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 466 transitions, 7466 flow, removed 25 selfloop flow, removed 12 redundant places. [2024-11-10 22:13:46,896 INFO L231 Difference]: Finished difference. Result has 259 places, 380 transitions, 6239 flow [2024-11-10 22:13:46,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5544, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=6239, PETRI_PLACES=259, PETRI_TRANSITIONS=380} [2024-11-10 22:13:46,897 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 224 predicate places. [2024-11-10 22:13:46,897 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 380 transitions, 6239 flow [2024-11-10 22:13:46,897 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) [2024-11-10 22:13:46,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:46,898 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:46,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 22:13:46,898 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:46,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1637476981, now seen corresponding path program 3 times [2024-11-10 22:13:46,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:46,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665876115] [2024-11-10 22:13:46,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:47,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665876115] [2024-11-10 22:13:47,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665876115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:47,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:47,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 22:13:47,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420031304] [2024-11-10 22:13:47,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:47,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 22:13:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 22:13:47,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 22:13:47,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:47,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 380 transitions, 6239 flow. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:13:47,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:47,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:47,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:48,359 INFO L124 PetriNetUnfolderBase]: 1774/3435 cut-off events. [2024-11-10 22:13:48,360 INFO L125 PetriNetUnfolderBase]: For 63400/63402 co-relation queries the response was YES. [2024-11-10 22:13:48,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22862 conditions, 3435 events. 1774/3435 cut-off events. For 63400/63402 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 24740 event pairs, 665 based on Foata normal form. 28/3379 useless extension candidates. Maximal degree in co-relation 22698. Up to 2609 conditions per place. [2024-11-10 22:13:48,392 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 306 selfloop transitions, 92 changer transitions 48/447 dead transitions. [2024-11-10 22:13:48,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 447 transitions, 7403 flow [2024-11-10 22:13:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 22:13:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 22:13:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 224 transitions. [2024-11-10 22:13:48,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-10 22:13:48,393 INFO L175 Difference]: Start difference. First operand has 259 places, 380 transitions, 6239 flow. Second operand 21 states and 224 transitions. [2024-11-10 22:13:48,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 447 transitions, 7403 flow [2024-11-10 22:13:48,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 447 transitions, 7254 flow, removed 38 selfloop flow, removed 8 redundant places. [2024-11-10 22:13:48,716 INFO L231 Difference]: Finished difference. Result has 271 places, 363 transitions, 5958 flow [2024-11-10 22:13:48,717 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5960, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5958, PETRI_PLACES=271, PETRI_TRANSITIONS=363} [2024-11-10 22:13:48,717 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2024-11-10 22:13:48,717 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 363 transitions, 5958 flow [2024-11-10 22:13:48,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:13:48,718 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:48,718 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:48,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 22:13:48,718 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:48,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1617969117, now seen corresponding path program 1 times [2024-11-10 22:13:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640227157] [2024-11-10 22:13:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640227157] [2024-11-10 22:13:48,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640227157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:48,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:48,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:13:48,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653293422] [2024-11-10 22:13:48,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:48,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:13:48,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:13:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:13:48,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-10 22:13:48,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 363 transitions, 5958 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) [2024-11-10 22:13:48,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:48,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-10 22:13:48,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:49,108 INFO L124 PetriNetUnfolderBase]: 979/1890 cut-off events. [2024-11-10 22:13:49,108 INFO L125 PetriNetUnfolderBase]: For 35799/35799 co-relation queries the response was YES. [2024-11-10 22:13:49,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12727 conditions, 1890 events. 979/1890 cut-off events. For 35799/35799 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 12394 event pairs, 161 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 12637. Up to 1129 conditions per place. [2024-11-10 22:13:49,125 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 302 selfloop transitions, 45 changer transitions 34/381 dead transitions. [2024-11-10 22:13:49,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 381 transitions, 7321 flow [2024-11-10 22:13:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:13:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:13:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-10 22:13:49,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-10 22:13:49,127 INFO L175 Difference]: Start difference. First operand has 271 places, 363 transitions, 5958 flow. Second operand 4 states and 66 transitions. [2024-11-10 22:13:49,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 381 transitions, 7321 flow [2024-11-10 22:13:49,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 381 transitions, 6737 flow, removed 54 selfloop flow, removed 30 redundant places. [2024-11-10 22:13:49,234 INFO L231 Difference]: Finished difference. Result has 232 places, 237 transitions, 3717 flow [2024-11-10 22:13:49,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4055, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3717, PETRI_PLACES=232, PETRI_TRANSITIONS=237} [2024-11-10 22:13:49,234 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 197 predicate places. [2024-11-10 22:13:49,234 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 237 transitions, 3717 flow [2024-11-10 22:13:49,234 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) [2024-11-10 22:13:49,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:49,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:49,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 22:13:49,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:49,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:49,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1799210431, now seen corresponding path program 4 times [2024-11-10 22:13:49,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:49,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974489057] [2024-11-10 22:13:49,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:49,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:49,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974489057] [2024-11-10 22:13:49,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974489057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:49,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:49,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:49,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645535008] [2024-11-10 22:13:49,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:49,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:49,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:49,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:49,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:49,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:49,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 237 transitions, 3717 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) [2024-11-10 22:13:49,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:49,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:49,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:50,376 INFO L124 PetriNetUnfolderBase]: 1116/2157 cut-off events. [2024-11-10 22:13:50,376 INFO L125 PetriNetUnfolderBase]: For 31459/31459 co-relation queries the response was YES. [2024-11-10 22:13:50,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13817 conditions, 2157 events. 1116/2157 cut-off events. For 31459/31459 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 13999 event pairs, 343 based on Foata normal form. 56/2173 useless extension candidates. Maximal degree in co-relation 13741. Up to 977 conditions per place. [2024-11-10 22:13:50,393 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 245 selfloop transitions, 89 changer transitions 32/366 dead transitions. [2024-11-10 22:13:50,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 366 transitions, 5732 flow [2024-11-10 22:13:50,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-10 22:13:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-10 22:13:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 270 transitions. [2024-11-10 22:13:50,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29411764705882354 [2024-11-10 22:13:50,395 INFO L175 Difference]: Start difference. First operand has 232 places, 237 transitions, 3717 flow. Second operand 27 states and 270 transitions. [2024-11-10 22:13:50,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 366 transitions, 5732 flow [2024-11-10 22:13:50,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 366 transitions, 5201 flow, removed 26 selfloop flow, removed 17 redundant places. [2024-11-10 22:13:50,500 INFO L231 Difference]: Finished difference. Result has 231 places, 241 transitions, 3759 flow [2024-11-10 22:13:50,500 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3367, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=3759, PETRI_PLACES=231, PETRI_TRANSITIONS=241} [2024-11-10 22:13:50,501 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 196 predicate places. [2024-11-10 22:13:50,501 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 241 transitions, 3759 flow [2024-11-10 22:13:50,501 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) [2024-11-10 22:13:50,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:50,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:50,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 22:13:50,502 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:50,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:50,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1788168542, now seen corresponding path program 4 times [2024-11-10 22:13:50,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:50,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060745373] [2024-11-10 22:13:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:50,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:50,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060745373] [2024-11-10 22:13:50,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060745373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:50,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:50,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:50,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549439349] [2024-11-10 22:13:50,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:50,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:50,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:50,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:50,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:50,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:50,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 241 transitions, 3759 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) [2024-11-10 22:13:50,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:50,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:50,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:51,297 INFO L124 PetriNetUnfolderBase]: 990/1907 cut-off events. [2024-11-10 22:13:51,297 INFO L125 PetriNetUnfolderBase]: For 25978/25978 co-relation queries the response was YES. [2024-11-10 22:13:51,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12172 conditions, 1907 events. 990/1907 cut-off events. For 25978/25978 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11939 event pairs, 358 based on Foata normal form. 20/1887 useless extension candidates. Maximal degree in co-relation 12099. Up to 1210 conditions per place. [2024-11-10 22:13:51,310 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 217 selfloop transitions, 68 changer transitions 0/285 dead transitions. [2024-11-10 22:13:51,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 285 transitions, 4546 flow [2024-11-10 22:13:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 22:13:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-10 22:13:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 151 transitions. [2024-11-10 22:13:51,313 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3172268907563025 [2024-11-10 22:13:51,313 INFO L175 Difference]: Start difference. First operand has 231 places, 241 transitions, 3759 flow. Second operand 14 states and 151 transitions. [2024-11-10 22:13:51,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 285 transitions, 4546 flow [2024-11-10 22:13:51,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 285 transitions, 4411 flow, removed 37 selfloop flow, removed 8 redundant places. [2024-11-10 22:13:51,408 INFO L231 Difference]: Finished difference. Result has 233 places, 242 transitions, 3824 flow [2024-11-10 22:13:51,408 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3576, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3824, PETRI_PLACES=233, PETRI_TRANSITIONS=242} [2024-11-10 22:13:51,409 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 198 predicate places. [2024-11-10 22:13:51,409 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 242 transitions, 3824 flow [2024-11-10 22:13:51,409 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) [2024-11-10 22:13:51,409 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:51,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:51,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 22:13:51,409 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:51,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:51,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2055710941, now seen corresponding path program 5 times [2024-11-10 22:13:51,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:51,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847269389] [2024-11-10 22:13:51,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:51,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:51,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:51,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847269389] [2024-11-10 22:13:51,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847269389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:51,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:51,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 22:13:51,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041841070] [2024-11-10 22:13:51,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:51,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:13:51,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:51,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:13:51,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:13:51,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:51,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 242 transitions, 3824 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) [2024-11-10 22:13:51,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:51,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:51,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:52,469 INFO L124 PetriNetUnfolderBase]: 1046/2013 cut-off events. [2024-11-10 22:13:52,469 INFO L125 PetriNetUnfolderBase]: For 26499/26499 co-relation queries the response was YES. [2024-11-10 22:13:52,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12818 conditions, 2013 events. 1046/2013 cut-off events. For 26499/26499 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 12758 event pairs, 413 based on Foata normal form. 10/1975 useless extension candidates. Maximal degree in co-relation 12744. Up to 1430 conditions per place. [2024-11-10 22:13:52,484 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 210 selfloop transitions, 86 changer transitions 32/328 dead transitions. [2024-11-10 22:13:52,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 328 transitions, 5284 flow [2024-11-10 22:13:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 22:13:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 22:13:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 206 transitions. [2024-11-10 22:13:52,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28851540616246496 [2024-11-10 22:13:52,485 INFO L175 Difference]: Start difference. First operand has 233 places, 242 transitions, 3824 flow. Second operand 21 states and 206 transitions. [2024-11-10 22:13:52,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 328 transitions, 5284 flow [2024-11-10 22:13:52,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 328 transitions, 4996 flow, removed 18 selfloop flow, removed 11 redundant places. [2024-11-10 22:13:52,612 INFO L231 Difference]: Finished difference. Result has 249 places, 255 transitions, 4097 flow [2024-11-10 22:13:52,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3566, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4097, PETRI_PLACES=249, PETRI_TRANSITIONS=255} [2024-11-10 22:13:52,612 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 214 predicate places. [2024-11-10 22:13:52,612 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 255 transitions, 4097 flow [2024-11-10 22:13:52,612 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) [2024-11-10 22:13:52,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:52,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:52,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 22:13:52,613 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:52,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:52,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1788168541, now seen corresponding path program 6 times [2024-11-10 22:13:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:52,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513855521] [2024-11-10 22:13:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:52,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:52,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513855521] [2024-11-10 22:13:52,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513855521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:52,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:52,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:52,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899558973] [2024-11-10 22:13:52,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:52,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:52,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:52,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:52,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:52,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 255 transitions, 4097 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) [2024-11-10 22:13:52,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:52,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:52,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:53,610 INFO L124 PetriNetUnfolderBase]: 993/1908 cut-off events. [2024-11-10 22:13:53,611 INFO L125 PetriNetUnfolderBase]: For 22177/22177 co-relation queries the response was YES. [2024-11-10 22:13:53,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12014 conditions, 1908 events. 993/1908 cut-off events. For 22177/22177 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11870 event pairs, 228 based on Foata normal form. 20/1880 useless extension candidates. Maximal degree in co-relation 11934. Up to 596 conditions per place. [2024-11-10 22:13:53,627 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 148 selfloop transitions, 132 changer transitions 23/303 dead transitions. [2024-11-10 22:13:53,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 303 transitions, 4833 flow [2024-11-10 22:13:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 22:13:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-10 22:13:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 227 transitions. [2024-11-10 22:13:53,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27818627450980393 [2024-11-10 22:13:53,629 INFO L175 Difference]: Start difference. First operand has 249 places, 255 transitions, 4097 flow. Second operand 24 states and 227 transitions. [2024-11-10 22:13:53,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 303 transitions, 4833 flow [2024-11-10 22:13:53,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 303 transitions, 4672 flow, removed 19 selfloop flow, removed 12 redundant places. [2024-11-10 22:13:53,719 INFO L231 Difference]: Finished difference. Result has 251 places, 238 transitions, 3911 flow [2024-11-10 22:13:53,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3852, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3911, PETRI_PLACES=251, PETRI_TRANSITIONS=238} [2024-11-10 22:13:53,720 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 216 predicate places. [2024-11-10 22:13:53,720 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 238 transitions, 3911 flow [2024-11-10 22:13:53,720 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) [2024-11-10 22:13:53,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:53,720 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:53,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 22:13:53,720 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:53,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:53,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2055925982, now seen corresponding path program 1 times [2024-11-10 22:13:53,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:53,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734200981] [2024-11-10 22:13:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:53,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:53,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:53,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734200981] [2024-11-10 22:13:53,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734200981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:53,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:53,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:13:53,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935464152] [2024-11-10 22:13:53,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:53,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 22:13:53,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:53,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 22:13:53,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 22:13:53,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:53,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 238 transitions, 3911 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) [2024-11-10 22:13:53,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:53,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:53,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:54,463 INFO L124 PetriNetUnfolderBase]: 878/1689 cut-off events. [2024-11-10 22:13:54,463 INFO L125 PetriNetUnfolderBase]: For 20057/20057 co-relation queries the response was YES. [2024-11-10 22:13:54,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11001 conditions, 1689 events. 878/1689 cut-off events. For 20057/20057 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10233 event pairs, 162 based on Foata normal form. 0/1665 useless extension candidates. Maximal degree in co-relation 10925. Up to 307 conditions per place. [2024-11-10 22:13:54,477 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 190 selfloop transitions, 116 changer transitions 0/306 dead transitions. [2024-11-10 22:13:54,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 306 transitions, 5130 flow [2024-11-10 22:13:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 22:13:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-10 22:13:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 180 transitions. [2024-11-10 22:13:54,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33088235294117646 [2024-11-10 22:13:54,478 INFO L175 Difference]: Start difference. First operand has 251 places, 238 transitions, 3911 flow. Second operand 16 states and 180 transitions. [2024-11-10 22:13:54,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 306 transitions, 5130 flow [2024-11-10 22:13:54,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 306 transitions, 4822 flow, removed 14 selfloop flow, removed 27 redundant places. [2024-11-10 22:13:54,545 INFO L231 Difference]: Finished difference. Result has 239 places, 256 transitions, 4179 flow [2024-11-10 22:13:54,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3628, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4179, PETRI_PLACES=239, PETRI_TRANSITIONS=256} [2024-11-10 22:13:54,546 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 204 predicate places. [2024-11-10 22:13:54,546 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 256 transitions, 4179 flow [2024-11-10 22:13:54,546 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) [2024-11-10 22:13:54,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:54,546 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:54,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 22:13:54,546 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:54,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2055925981, now seen corresponding path program 1 times [2024-11-10 22:13:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:54,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137075180] [2024-11-10 22:13:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:54,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:54,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137075180] [2024-11-10 22:13:54,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137075180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:54,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:54,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029676509] [2024-11-10 22:13:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:54,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:54,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:54,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 256 transitions, 4179 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) [2024-11-10 22:13:54,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:54,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:54,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:55,454 INFO L124 PetriNetUnfolderBase]: 960/1859 cut-off events. [2024-11-10 22:13:55,454 INFO L125 PetriNetUnfolderBase]: For 24180/24180 co-relation queries the response was YES. [2024-11-10 22:13:55,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12354 conditions, 1859 events. 960/1859 cut-off events. For 24180/24180 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 11502 event pairs, 312 based on Foata normal form. 24/1883 useless extension candidates. Maximal degree in co-relation 12277. Up to 714 conditions per place. [2024-11-10 22:13:55,467 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 195 selfloop transitions, 93 changer transitions 54/342 dead transitions. [2024-11-10 22:13:55,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 342 transitions, 5686 flow [2024-11-10 22:13:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 22:13:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-10 22:13:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2024-11-10 22:13:55,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2024-11-10 22:13:55,468 INFO L175 Difference]: Start difference. First operand has 239 places, 256 transitions, 4179 flow. Second operand 23 states and 219 transitions. [2024-11-10 22:13:55,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 342 transitions, 5686 flow [2024-11-10 22:13:55,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 342 transitions, 5444 flow, removed 34 selfloop flow, removed 7 redundant places. [2024-11-10 22:13:55,553 INFO L231 Difference]: Finished difference. Result has 256 places, 235 transitions, 3851 flow [2024-11-10 22:13:55,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3945, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3851, PETRI_PLACES=256, PETRI_TRANSITIONS=235} [2024-11-10 22:13:55,553 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 221 predicate places. [2024-11-10 22:13:55,553 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 235 transitions, 3851 flow [2024-11-10 22:13:55,554 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) [2024-11-10 22:13:55,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:55,554 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:55,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 22:13:55,554 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:55,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:55,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1355406693, now seen corresponding path program 7 times [2024-11-10 22:13:55,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:55,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365681359] [2024-11-10 22:13:55,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:55,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:55,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365681359] [2024-11-10 22:13:55,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365681359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:55,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:55,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 22:13:55,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518924450] [2024-11-10 22:13:55,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:55,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:13:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:55,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:13:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:13:55,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:55,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 235 transitions, 3851 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) [2024-11-10 22:13:55,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:55,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:55,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:56,520 INFO L124 PetriNetUnfolderBase]: 844/1627 cut-off events. [2024-11-10 22:13:56,521 INFO L125 PetriNetUnfolderBase]: For 21444/21444 co-relation queries the response was YES. [2024-11-10 22:13:56,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10900 conditions, 1627 events. 844/1627 cut-off events. For 21444/21444 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9814 event pairs, 270 based on Foata normal form. 10/1637 useless extension candidates. Maximal degree in co-relation 10822. Up to 1127 conditions per place. [2024-11-10 22:13:56,531 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 201 selfloop transitions, 76 changer transitions 0/277 dead transitions. [2024-11-10 22:13:56,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 277 transitions, 4651 flow [2024-11-10 22:13:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 22:13:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-10 22:13:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 162 transitions. [2024-11-10 22:13:56,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2977941176470588 [2024-11-10 22:13:56,532 INFO L175 Difference]: Start difference. First operand has 256 places, 235 transitions, 3851 flow. Second operand 16 states and 162 transitions. [2024-11-10 22:13:56,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 277 transitions, 4651 flow [2024-11-10 22:13:56,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 277 transitions, 4267 flow, removed 42 selfloop flow, removed 31 redundant places. [2024-11-10 22:13:56,600 INFO L231 Difference]: Finished difference. Result has 231 places, 239 transitions, 3769 flow [2024-11-10 22:13:56,600 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3510, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3769, PETRI_PLACES=231, PETRI_TRANSITIONS=239} [2024-11-10 22:13:56,600 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 196 predicate places. [2024-11-10 22:13:56,600 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 239 transitions, 3769 flow [2024-11-10 22:13:56,600 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) [2024-11-10 22:13:56,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:56,600 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:56,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 22:13:56,600 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:56,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:56,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1161467282, now seen corresponding path program 5 times [2024-11-10 22:13:56,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:56,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083140084] [2024-11-10 22:13:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:56,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:56,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083140084] [2024-11-10 22:13:56,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083140084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:56,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:56,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:56,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519907558] [2024-11-10 22:13:56,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:56,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:56,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:56,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:56,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:56,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:56,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 239 transitions, 3769 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) [2024-11-10 22:13:56,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:56,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:56,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:57,448 INFO L124 PetriNetUnfolderBase]: 796/1541 cut-off events. [2024-11-10 22:13:57,448 INFO L125 PetriNetUnfolderBase]: For 18078/18078 co-relation queries the response was YES. [2024-11-10 22:13:57,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10123 conditions, 1541 events. 796/1541 cut-off events. For 18078/18078 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9201 event pairs, 214 based on Foata normal form. 38/1579 useless extension candidates. Maximal degree in co-relation 10055. Up to 755 conditions per place. [2024-11-10 22:13:57,459 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 134 selfloop transitions, 43 changer transitions 95/272 dead transitions. [2024-11-10 22:13:57,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 272 transitions, 4350 flow [2024-11-10 22:13:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 22:13:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 22:13:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 173 transitions. [2024-11-10 22:13:57,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29930795847750863 [2024-11-10 22:13:57,460 INFO L175 Difference]: Start difference. First operand has 231 places, 239 transitions, 3769 flow. Second operand 17 states and 173 transitions. [2024-11-10 22:13:57,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 272 transitions, 4350 flow [2024-11-10 22:13:57,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 272 transitions, 4213 flow, removed 10 selfloop flow, removed 11 redundant places. [2024-11-10 22:13:57,517 INFO L231 Difference]: Finished difference. Result has 237 places, 164 transitions, 2539 flow [2024-11-10 22:13:57,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3532, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2539, PETRI_PLACES=237, PETRI_TRANSITIONS=164} [2024-11-10 22:13:57,517 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 202 predicate places. [2024-11-10 22:13:57,517 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 164 transitions, 2539 flow [2024-11-10 22:13:57,518 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) [2024-11-10 22:13:57,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:57,518 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:57,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 22:13:57,518 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:57,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:57,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1333347069, now seen corresponding path program 8 times [2024-11-10 22:13:57,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:57,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920978407] [2024-11-10 22:13:57,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:57,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:57,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920978407] [2024-11-10 22:13:57,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920978407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:57,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:57,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405144095] [2024-11-10 22:13:57,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:57,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:57,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:57,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:57,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:57,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 164 transitions, 2539 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) [2024-11-10 22:13:57,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:57,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:57,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:58,490 INFO L124 PetriNetUnfolderBase]: 762/1477 cut-off events. [2024-11-10 22:13:58,490 INFO L125 PetriNetUnfolderBase]: For 19725/19725 co-relation queries the response was YES. [2024-11-10 22:13:58,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9713 conditions, 1477 events. 762/1477 cut-off events. For 19725/19725 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8837 event pairs, 166 based on Foata normal form. 40/1517 useless extension candidates. Maximal degree in co-relation 9646. Up to 491 conditions per place. [2024-11-10 22:13:58,502 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 164 selfloop transitions, 89 changer transitions 11/264 dead transitions. [2024-11-10 22:13:58,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 264 transitions, 4163 flow [2024-11-10 22:13:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 22:13:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-10 22:13:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 216 transitions. [2024-11-10 22:13:58,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27621483375959077 [2024-11-10 22:13:58,503 INFO L175 Difference]: Start difference. First operand has 237 places, 164 transitions, 2539 flow. Second operand 23 states and 216 transitions. [2024-11-10 22:13:58,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 264 transitions, 4163 flow [2024-11-10 22:13:58,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 264 transitions, 3746 flow, removed 30 selfloop flow, removed 25 redundant places. [2024-11-10 22:13:58,550 INFO L231 Difference]: Finished difference. Result has 193 places, 187 transitions, 2905 flow [2024-11-10 22:13:58,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2237, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2905, PETRI_PLACES=193, PETRI_TRANSITIONS=187} [2024-11-10 22:13:58,551 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 158 predicate places. [2024-11-10 22:13:58,551 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 187 transitions, 2905 flow [2024-11-10 22:13:58,551 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) [2024-11-10 22:13:58,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:58,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:58,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 22:13:58,551 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:58,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:58,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1299121028, now seen corresponding path program 6 times [2024-11-10 22:13:58,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:58,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489007088] [2024-11-10 22:13:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489007088] [2024-11-10 22:13:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489007088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:58,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:13:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051784555] [2024-11-10 22:13:58,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:58,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 22:13:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:58,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 22:13:58,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 22:13:58,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:58,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 187 transitions, 2905 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) [2024-11-10 22:13:58,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:58,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:58,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:59,277 INFO L124 PetriNetUnfolderBase]: 813/1590 cut-off events. [2024-11-10 22:13:59,277 INFO L125 PetriNetUnfolderBase]: For 15265/15265 co-relation queries the response was YES. [2024-11-10 22:13:59,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9959 conditions, 1590 events. 813/1590 cut-off events. For 15265/15265 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9771 event pairs, 113 based on Foata normal form. 36/1626 useless extension candidates. Maximal degree in co-relation 9895. Up to 301 conditions per place. [2024-11-10 22:13:59,287 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 155 selfloop transitions, 106 changer transitions 0/261 dead transitions. [2024-11-10 22:13:59,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 261 transitions, 3973 flow [2024-11-10 22:13:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 22:13:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-10 22:13:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 200 transitions. [2024-11-10 22:13:59,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30959752321981426 [2024-11-10 22:13:59,288 INFO L175 Difference]: Start difference. First operand has 193 places, 187 transitions, 2905 flow. Second operand 19 states and 200 transitions. [2024-11-10 22:13:59,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 261 transitions, 3973 flow [2024-11-10 22:13:59,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 261 transitions, 3882 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-10 22:13:59,332 INFO L231 Difference]: Finished difference. Result has 207 places, 205 transitions, 3370 flow [2024-11-10 22:13:59,333 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2820, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3370, PETRI_PLACES=207, PETRI_TRANSITIONS=205} [2024-11-10 22:13:59,333 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2024-11-10 22:13:59,333 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 205 transitions, 3370 flow [2024-11-10 22:13:59,333 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) [2024-11-10 22:13:59,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:59,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:59,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 22:13:59,333 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:59,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:59,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1476511235, now seen corresponding path program 2 times [2024-11-10 22:13:59,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:59,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411327497] [2024-11-10 22:13:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:59,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411327497] [2024-11-10 22:13:59,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411327497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:59,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:59,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:13:59,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022735450] [2024-11-10 22:13:59,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:59,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:13:59,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:59,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:13:59,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:13:59,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:13:59,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 205 transitions, 3370 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) [2024-11-10 22:13:59,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:59,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:13:59,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:00,225 INFO L124 PetriNetUnfolderBase]: 807/1590 cut-off events. [2024-11-10 22:14:00,225 INFO L125 PetriNetUnfolderBase]: For 17412/17412 co-relation queries the response was YES. [2024-11-10 22:14:00,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10405 conditions, 1590 events. 807/1590 cut-off events. For 17412/17412 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9783 event pairs, 234 based on Foata normal form. 24/1614 useless extension candidates. Maximal degree in co-relation 10335. Up to 748 conditions per place. [2024-11-10 22:14:00,238 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 157 selfloop transitions, 103 changer transitions 10/270 dead transitions. [2024-11-10 22:14:00,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 270 transitions, 4484 flow [2024-11-10 22:14:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 22:14:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-10 22:14:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 210 transitions. [2024-11-10 22:14:00,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26854219948849106 [2024-11-10 22:14:00,239 INFO L175 Difference]: Start difference. First operand has 207 places, 205 transitions, 3370 flow. Second operand 23 states and 210 transitions. [2024-11-10 22:14:00,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 270 transitions, 4484 flow [2024-11-10 22:14:00,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 270 transitions, 4296 flow, removed 45 selfloop flow, removed 10 redundant places. [2024-11-10 22:14:00,298 INFO L231 Difference]: Finished difference. Result has 224 places, 212 transitions, 3601 flow [2024-11-10 22:14:00,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3200, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3601, PETRI_PLACES=224, PETRI_TRANSITIONS=212} [2024-11-10 22:14:00,298 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 189 predicate places. [2024-11-10 22:14:00,298 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 212 transitions, 3601 flow [2024-11-10 22:14:00,299 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) [2024-11-10 22:14:00,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:00,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:00,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 22:14:00,299 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:00,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash 268083385, now seen corresponding path program 3 times [2024-11-10 22:14:00,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:00,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293849276] [2024-11-10 22:14:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:00,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:00,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293849276] [2024-11-10 22:14:00,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293849276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:00,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:00,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:00,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834304669] [2024-11-10 22:14:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:00,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:00,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:00,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:00,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:00,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 212 transitions, 3601 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) [2024-11-10 22:14:00,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:00,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:00,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:01,179 INFO L124 PetriNetUnfolderBase]: 809/1594 cut-off events. [2024-11-10 22:14:01,179 INFO L125 PetriNetUnfolderBase]: For 17491/17491 co-relation queries the response was YES. [2024-11-10 22:14:01,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10450 conditions, 1594 events. 809/1594 cut-off events. For 17491/17491 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9784 event pairs, 225 based on Foata normal form. 16/1610 useless extension candidates. Maximal degree in co-relation 10382. Up to 844 conditions per place. [2024-11-10 22:14:01,189 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 137 selfloop transitions, 117 changer transitions 0/254 dead transitions. [2024-11-10 22:14:01,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 254 transitions, 4393 flow [2024-11-10 22:14:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 22:14:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-10 22:14:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 208 transitions. [2024-11-10 22:14:01,190 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2659846547314578 [2024-11-10 22:14:01,190 INFO L175 Difference]: Start difference. First operand has 224 places, 212 transitions, 3601 flow. Second operand 23 states and 208 transitions. [2024-11-10 22:14:01,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 254 transitions, 4393 flow [2024-11-10 22:14:01,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 254 transitions, 4206 flow, removed 14 selfloop flow, removed 10 redundant places. [2024-11-10 22:14:01,242 INFO L231 Difference]: Finished difference. Result has 237 places, 220 transitions, 3843 flow [2024-11-10 22:14:01,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3843, PETRI_PLACES=237, PETRI_TRANSITIONS=220} [2024-11-10 22:14:01,243 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 202 predicate places. [2024-11-10 22:14:01,243 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 220 transitions, 3843 flow [2024-11-10 22:14:01,243 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) [2024-11-10 22:14:01,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:01,244 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:01,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 22:14:01,244 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:01,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1126363268, now seen corresponding path program 2 times [2024-11-10 22:14:01,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:01,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328733883] [2024-11-10 22:14:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:01,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:01,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:01,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328733883] [2024-11-10 22:14:01,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328733883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:01,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:01,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:14:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678117178] [2024-11-10 22:14:01,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:01,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 22:14:01,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 22:14:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 22:14:01,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:01,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 220 transitions, 3843 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) [2024-11-10 22:14:01,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:01,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:01,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:01,952 INFO L124 PetriNetUnfolderBase]: 821/1622 cut-off events. [2024-11-10 22:14:01,952 INFO L125 PetriNetUnfolderBase]: For 18543/18543 co-relation queries the response was YES. [2024-11-10 22:14:01,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10624 conditions, 1622 events. 821/1622 cut-off events. For 18543/18543 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10115 event pairs, 118 based on Foata normal form. 24/1646 useless extension candidates. Maximal degree in co-relation 10553. Up to 318 conditions per place. [2024-11-10 22:14:01,965 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 150 selfloop transitions, 107 changer transitions 18/275 dead transitions. [2024-11-10 22:14:01,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 275 transitions, 4750 flow [2024-11-10 22:14:01,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 22:14:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-10 22:14:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 194 transitions. [2024-11-10 22:14:01,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30030959752321984 [2024-11-10 22:14:01,967 INFO L175 Difference]: Start difference. First operand has 237 places, 220 transitions, 3843 flow. Second operand 19 states and 194 transitions. [2024-11-10 22:14:01,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 275 transitions, 4750 flow [2024-11-10 22:14:02,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 275 transitions, 4563 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-11-10 22:14:02,026 INFO L231 Difference]: Finished difference. Result has 246 places, 210 transitions, 3697 flow [2024-11-10 22:14:02,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3647, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3697, PETRI_PLACES=246, PETRI_TRANSITIONS=210} [2024-11-10 22:14:02,026 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 211 predicate places. [2024-11-10 22:14:02,027 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 210 transitions, 3697 flow [2024-11-10 22:14:02,027 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) [2024-11-10 22:14:02,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:02,027 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:02,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 22:14:02,027 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:02,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:02,027 INFO L85 PathProgramCache]: Analyzing trace with hash 273660804, now seen corresponding path program 7 times [2024-11-10 22:14:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:02,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761834705] [2024-11-10 22:14:02,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:02,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:02,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761834705] [2024-11-10 22:14:02,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761834705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:02,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:02,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:14:02,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123016281] [2024-11-10 22:14:02,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:02,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 22:14:02,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:02,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 22:14:02,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 22:14:02,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:02,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 210 transitions, 3697 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) [2024-11-10 22:14:02,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:02,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:02,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:02,599 INFO L124 PetriNetUnfolderBase]: 682/1367 cut-off events. [2024-11-10 22:14:02,600 INFO L125 PetriNetUnfolderBase]: For 16347/16347 co-relation queries the response was YES. [2024-11-10 22:14:02,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8806 conditions, 1367 events. 682/1367 cut-off events. For 16347/16347 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8332 event pairs, 67 based on Foata normal form. 46/1413 useless extension candidates. Maximal degree in co-relation 8731. Up to 370 conditions per place. [2024-11-10 22:14:02,610 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 115 selfloop transitions, 76 changer transitions 62/253 dead transitions. [2024-11-10 22:14:02,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 253 transitions, 4392 flow [2024-11-10 22:14:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 22:14:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 22:14:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 179 transitions. [2024-11-10 22:14:02,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3096885813148789 [2024-11-10 22:14:02,611 INFO L175 Difference]: Start difference. First operand has 246 places, 210 transitions, 3697 flow. Second operand 17 states and 179 transitions. [2024-11-10 22:14:02,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 253 transitions, 4392 flow [2024-11-10 22:14:02,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 253 transitions, 4098 flow, removed 39 selfloop flow, removed 18 redundant places. [2024-11-10 22:14:02,685 INFO L231 Difference]: Finished difference. Result has 240 places, 161 transitions, 2728 flow [2024-11-10 22:14:02,685 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3315, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2728, PETRI_PLACES=240, PETRI_TRANSITIONS=161} [2024-11-10 22:14:02,686 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 205 predicate places. [2024-11-10 22:14:02,686 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 161 transitions, 2728 flow [2024-11-10 22:14:02,686 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) [2024-11-10 22:14:02,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:02,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:02,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 22:14:02,686 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:02,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash 127681284, now seen corresponding path program 3 times [2024-11-10 22:14:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872149076] [2024-11-10 22:14:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:02,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872149076] [2024-11-10 22:14:02,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872149076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:02,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:02,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:02,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185825461] [2024-11-10 22:14:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:02,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:02,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:02,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:02,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:02,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 161 transitions, 2728 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) [2024-11-10 22:14:02,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:02,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:02,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:03,268 INFO L124 PetriNetUnfolderBase]: 529/1044 cut-off events. [2024-11-10 22:14:03,269 INFO L125 PetriNetUnfolderBase]: For 11881/11881 co-relation queries the response was YES. [2024-11-10 22:14:03,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6862 conditions, 1044 events. 529/1044 cut-off events. For 11881/11881 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5824 event pairs, 170 based on Foata normal form. 8/1052 useless extension candidates. Maximal degree in co-relation 6794. Up to 720 conditions per place. [2024-11-10 22:14:03,275 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 142 selfloop transitions, 47 changer transitions 0/189 dead transitions. [2024-11-10 22:14:03,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 189 transitions, 3289 flow [2024-11-10 22:14:03,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 22:14:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 22:14:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 138 transitions. [2024-11-10 22:14:03,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27058823529411763 [2024-11-10 22:14:03,276 INFO L175 Difference]: Start difference. First operand has 240 places, 161 transitions, 2728 flow. Second operand 15 states and 138 transitions. [2024-11-10 22:14:03,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 189 transitions, 3289 flow [2024-11-10 22:14:03,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 189 transitions, 2968 flow, removed 40 selfloop flow, removed 27 redundant places. [2024-11-10 22:14:03,309 INFO L231 Difference]: Finished difference. Result has 216 places, 163 transitions, 2591 flow [2024-11-10 22:14:03,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2400, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2591, PETRI_PLACES=216, PETRI_TRANSITIONS=163} [2024-11-10 22:14:03,310 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 181 predicate places. [2024-11-10 22:14:03,310 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 163 transitions, 2591 flow [2024-11-10 22:14:03,310 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) [2024-11-10 22:14:03,310 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:03,310 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:03,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 22:14:03,310 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:03,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:03,310 INFO L85 PathProgramCache]: Analyzing trace with hash 127681285, now seen corresponding path program 4 times [2024-11-10 22:14:03,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:03,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646195677] [2024-11-10 22:14:03,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:03,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:03,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:03,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646195677] [2024-11-10 22:14:03,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646195677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:03,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:03,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:03,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430360372] [2024-11-10 22:14:03,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:03,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:03,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:03,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:03,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:03,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:03,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 163 transitions, 2591 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) [2024-11-10 22:14:03,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:03,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:03,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:04,065 INFO L124 PetriNetUnfolderBase]: 509/1008 cut-off events. [2024-11-10 22:14:04,065 INFO L125 PetriNetUnfolderBase]: For 8660/8660 co-relation queries the response was YES. [2024-11-10 22:14:04,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6295 conditions, 1008 events. 509/1008 cut-off events. For 8660/8660 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5541 event pairs, 143 based on Foata normal form. 16/1024 useless extension candidates. Maximal degree in co-relation 6238. Up to 498 conditions per place. [2024-11-10 22:14:04,072 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 95 selfloop transitions, 59 changer transitions 38/192 dead transitions. [2024-11-10 22:14:04,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 192 transitions, 3045 flow [2024-11-10 22:14:04,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 22:14:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-10 22:14:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 188 transitions. [2024-11-10 22:14:04,073 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25133689839572193 [2024-11-10 22:14:04,073 INFO L175 Difference]: Start difference. First operand has 216 places, 163 transitions, 2591 flow. Second operand 22 states and 188 transitions. [2024-11-10 22:14:04,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 192 transitions, 3045 flow [2024-11-10 22:14:04,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 192 transitions, 2772 flow, removed 14 selfloop flow, removed 23 redundant places. [2024-11-10 22:14:04,101 INFO L231 Difference]: Finished difference. Result has 210 places, 129 transitions, 2065 flow [2024-11-10 22:14:04,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2264, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2065, PETRI_PLACES=210, PETRI_TRANSITIONS=129} [2024-11-10 22:14:04,102 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 175 predicate places. [2024-11-10 22:14:04,102 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 129 transitions, 2065 flow [2024-11-10 22:14:04,102 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) [2024-11-10 22:14:04,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:04,102 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:04,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 22:14:04,103 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:04,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:04,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1298905988, now seen corresponding path program 4 times [2024-11-10 22:14:04,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:04,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539951839] [2024-11-10 22:14:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:04,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:04,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539951839] [2024-11-10 22:14:04,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539951839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:04,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:04,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:14:04,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286291836] [2024-11-10 22:14:04,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:04,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 22:14:04,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:04,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 22:14:04,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 22:14:04,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:04,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 129 transitions, 2065 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) [2024-11-10 22:14:04,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:04,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:04,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:04,677 INFO L124 PetriNetUnfolderBase]: 398/797 cut-off events. [2024-11-10 22:14:04,678 INFO L125 PetriNetUnfolderBase]: For 6862/6862 co-relation queries the response was YES. [2024-11-10 22:14:04,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5045 conditions, 797 events. 398/797 cut-off events. For 6862/6862 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4153 event pairs, 44 based on Foata normal form. 24/821 useless extension candidates. Maximal degree in co-relation 4999. Up to 348 conditions per place. [2024-11-10 22:14:04,682 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 59 selfloop transitions, 55 changer transitions 36/150 dead transitions. [2024-11-10 22:14:04,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 150 transitions, 2421 flow [2024-11-10 22:14:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 22:14:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 22:14:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 134 transitions. [2024-11-10 22:14:04,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2627450980392157 [2024-11-10 22:14:04,683 INFO L175 Difference]: Start difference. First operand has 210 places, 129 transitions, 2065 flow. Second operand 15 states and 134 transitions. [2024-11-10 22:14:04,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 150 transitions, 2421 flow [2024-11-10 22:14:04,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 150 transitions, 2156 flow, removed 22 selfloop flow, removed 24 redundant places. [2024-11-10 22:14:04,700 INFO L231 Difference]: Finished difference. Result has 171 places, 100 transitions, 1455 flow [2024-11-10 22:14:04,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1782, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1455, PETRI_PLACES=171, PETRI_TRANSITIONS=100} [2024-11-10 22:14:04,700 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 136 predicate places. [2024-11-10 22:14:04,700 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 100 transitions, 1455 flow [2024-11-10 22:14:04,701 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) [2024-11-10 22:14:04,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:04,701 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:04,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 22:14:04,701 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:04,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:04,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1276907915, now seen corresponding path program 9 times [2024-11-10 22:14:04,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:04,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368469598] [2024-11-10 22:14:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:04,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:04,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368469598] [2024-11-10 22:14:04,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368469598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:04,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:04,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:04,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913230663] [2024-11-10 22:14:04,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:04,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:04,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:04,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:04,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 100 transitions, 1455 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) [2024-11-10 22:14:04,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:04,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:04,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:05,328 INFO L124 PetriNetUnfolderBase]: 354/725 cut-off events. [2024-11-10 22:14:05,329 INFO L125 PetriNetUnfolderBase]: For 4438/4438 co-relation queries the response was YES. [2024-11-10 22:14:05,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4333 conditions, 725 events. 354/725 cut-off events. For 4438/4438 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3748 event pairs, 78 based on Foata normal form. 36/761 useless extension candidates. Maximal degree in co-relation 4293. Up to 320 conditions per place. [2024-11-10 22:14:05,333 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 50 selfloop transitions, 24 changer transitions 67/141 dead transitions. [2024-11-10 22:14:05,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 141 transitions, 2100 flow [2024-11-10 22:14:05,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 22:14:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 22:14:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 132 transitions. [2024-11-10 22:14:05,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25882352941176473 [2024-11-10 22:14:05,334 INFO L175 Difference]: Start difference. First operand has 171 places, 100 transitions, 1455 flow. Second operand 15 states and 132 transitions. [2024-11-10 22:14:05,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 141 transitions, 2100 flow [2024-11-10 22:14:05,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 141 transitions, 1898 flow, removed 22 selfloop flow, removed 22 redundant places. [2024-11-10 22:14:05,345 INFO L231 Difference]: Finished difference. Result has 145 places, 63 transitions, 784 flow [2024-11-10 22:14:05,345 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1240, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=784, PETRI_PLACES=145, PETRI_TRANSITIONS=63} [2024-11-10 22:14:05,345 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 110 predicate places. [2024-11-10 22:14:05,346 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 63 transitions, 784 flow [2024-11-10 22:14:05,346 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) [2024-11-10 22:14:05,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:05,346 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:05,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 22:14:05,346 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:05,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1555938669, now seen corresponding path program 10 times [2024-11-10 22:14:05,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:05,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475129628] [2024-11-10 22:14:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:05,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:05,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:05,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475129628] [2024-11-10 22:14:05,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475129628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:05,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:05,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:05,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834200081] [2024-11-10 22:14:05,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:05,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:05,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:05,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:05,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:05,645 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:05,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 63 transitions, 784 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) [2024-11-10 22:14:05,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:05,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:05,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:05,989 INFO L124 PetriNetUnfolderBase]: 174/365 cut-off events. [2024-11-10 22:14:05,989 INFO L125 PetriNetUnfolderBase]: For 1165/1165 co-relation queries the response was YES. [2024-11-10 22:14:05,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 365 events. 174/365 cut-off events. For 1165/1165 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1551 event pairs, 18 based on Foata normal form. 20/385 useless extension candidates. Maximal degree in co-relation 1908. Up to 136 conditions per place. [2024-11-10 22:14:05,991 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 36 selfloop transitions, 19 changer transitions 34/89 dead transitions. [2024-11-10 22:14:05,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 89 transitions, 972 flow [2024-11-10 22:14:05,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 22:14:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 22:14:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 138 transitions. [2024-11-10 22:14:05,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23875432525951557 [2024-11-10 22:14:05,992 INFO L175 Difference]: Start difference. First operand has 145 places, 63 transitions, 784 flow. Second operand 17 states and 138 transitions. [2024-11-10 22:14:05,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 89 transitions, 972 flow [2024-11-10 22:14:05,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 89 transitions, 777 flow, removed 9 selfloop flow, removed 30 redundant places. [2024-11-10 22:14:05,995 INFO L231 Difference]: Finished difference. Result has 118 places, 39 transitions, 305 flow [2024-11-10 22:14:05,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=305, PETRI_PLACES=118, PETRI_TRANSITIONS=39} [2024-11-10 22:14:05,995 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 83 predicate places. [2024-11-10 22:14:05,995 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 39 transitions, 305 flow [2024-11-10 22:14:05,996 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) [2024-11-10 22:14:05,996 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:05,996 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:05,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 22:14:05,996 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1566663428, now seen corresponding path program 8 times [2024-11-10 22:14:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775781321] [2024-11-10 22:14:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:06,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:06,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775781321] [2024-11-10 22:14:06,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775781321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:06,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:06,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 22:14:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469934636] [2024-11-10 22:14:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:14:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:06,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:14:06,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:14:06,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:06,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 39 transitions, 305 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) [2024-11-10 22:14:06,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:06,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:06,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:06,633 INFO L124 PetriNetUnfolderBase]: 90/197 cut-off events. [2024-11-10 22:14:06,633 INFO L125 PetriNetUnfolderBase]: For 283/283 co-relation queries the response was YES. [2024-11-10 22:14:06,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 197 events. 90/197 cut-off events. For 283/283 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 665 event pairs, 2 based on Foata normal form. 16/213 useless extension candidates. Maximal degree in co-relation 824. Up to 68 conditions per place. [2024-11-10 22:14:06,634 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 40 selfloop transitions, 19 changer transitions 0/59 dead transitions. [2024-11-10 22:14:06,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 59 transitions, 438 flow [2024-11-10 22:14:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 22:14:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 22:14:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 104 transitions. [2024-11-10 22:14:06,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2024-11-10 22:14:06,635 INFO L175 Difference]: Start difference. First operand has 118 places, 39 transitions, 305 flow. Second operand 13 states and 104 transitions. [2024-11-10 22:14:06,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 59 transitions, 438 flow [2024-11-10 22:14:06,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 59 transitions, 364 flow, removed 4 selfloop flow, removed 20 redundant places. [2024-11-10 22:14:06,636 INFO L231 Difference]: Finished difference. Result has 86 places, 36 transitions, 228 flow [2024-11-10 22:14:06,636 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=228, PETRI_PLACES=86, PETRI_TRANSITIONS=36} [2024-11-10 22:14:06,637 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-11-10 22:14:06,637 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 36 transitions, 228 flow [2024-11-10 22:14:06,637 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) [2024-11-10 22:14:06,637 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:06,637 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:06,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 22:14:06,637 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:06,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:06,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1566663429, now seen corresponding path program 11 times [2024-11-10 22:14:06,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470961952] [2024-11-10 22:14:06,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:06,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:06,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:06,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470961952] [2024-11-10 22:14:06,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470961952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:06,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:06,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 22:14:06,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386158187] [2024-11-10 22:14:06,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:06,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 22:14:06,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:06,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 22:14:06,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 22:14:06,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-10 22:14:06,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 36 transitions, 228 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) [2024-11-10 22:14:06,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:06,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-10 22:14:06,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:07,101 INFO L124 PetriNetUnfolderBase]: 72/163 cut-off events. [2024-11-10 22:14:07,102 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-10 22:14:07,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 163 events. 72/163 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 523 event pairs, 2 based on Foata normal form. 16/179 useless extension candidates. Maximal degree in co-relation 591. Up to 68 conditions per place. [2024-11-10 22:14:07,102 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-11-10 22:14:07,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 50 transitions, 342 flow [2024-11-10 22:14:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 22:14:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 22:14:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 97 transitions. [2024-11-10 22:14:07,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21945701357466063 [2024-11-10 22:14:07,103 INFO L175 Difference]: Start difference. First operand has 86 places, 36 transitions, 228 flow. Second operand 13 states and 97 transitions. [2024-11-10 22:14:07,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 50 transitions, 342 flow [2024-11-10 22:14:07,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 50 transitions, 305 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-10 22:14:07,104 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-10 22:14:07,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-10 22:14:07,104 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 43 predicate places. [2024-11-10 22:14:07,104 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-10 22:14:07,104 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) [2024-11-10 22:14:07,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-10 22:14:07,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-10 22:14:07,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 22:14:07,108 INFO L407 BasicCegarLoop]: Path program histogram: [11, 8, 4, 4, 3, 3, 1, 1, 1] [2024-11-10 22:14:07,112 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:14:07,112 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:14:07,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:14:07 BasicIcfg [2024-11-10 22:14:07,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:14:07,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:14:07,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:14:07,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:14:07,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:13:30" (3/4) ... [2024-11-10 22:14:07,118 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:14:07,120 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-10 22:14:07,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2024-11-10 22:14:07,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-11-10 22:14:07,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 22:14:07,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 22:14:07,192 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:14:07,193 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:14:07,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:14:07,193 INFO L158 Benchmark]: Toolchain (without parser) took 37801.90ms. Allocated memory was 186.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 109.3MB in the beginning and 874.6MB in the end (delta: -765.4MB). Peak memory consumption was 556.5MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,194 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 186.6MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:14:07,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.06ms. Allocated memory is still 186.6MB. Free memory was 109.1MB in the beginning and 119.2MB in the end (delta: -10.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.50ms. Allocated memory is still 186.6MB. Free memory was 119.2MB in the beginning and 116.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,194 INFO L158 Benchmark]: Boogie Preprocessor took 55.20ms. Allocated memory is still 186.6MB. Free memory was 116.2MB in the beginning and 112.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,195 INFO L158 Benchmark]: IcfgBuilder took 579.23ms. Allocated memory is still 186.6MB. Free memory was 112.9MB in the beginning and 66.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,195 INFO L158 Benchmark]: TraceAbstraction took 36535.79ms. Allocated memory was 186.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 66.8MB in the beginning and 879.8MB in the end (delta: -813.1MB). Peak memory consumption was 508.0MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,195 INFO L158 Benchmark]: Witness Printer took 76.59ms. Allocated memory is still 1.5GB. Free memory was 879.8MB in the beginning and 874.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:14:07,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 186.6MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.06ms. Allocated memory is still 186.6MB. Free memory was 109.1MB in the beginning and 119.2MB in the end (delta: -10.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.50ms. Allocated memory is still 186.6MB. Free memory was 119.2MB in the beginning and 116.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.20ms. Allocated memory is still 186.6MB. Free memory was 116.2MB in the beginning and 112.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 579.23ms. Allocated memory is still 186.6MB. Free memory was 112.9MB in the beginning and 66.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 36535.79ms. Allocated memory was 186.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 66.8MB in the beginning and 879.8MB in the end (delta: -813.1MB). Peak memory consumption was 508.0MB. Max. memory is 16.1GB. * Witness Printer took 76.59ms. Allocated memory is still 1.5GB. Free memory was 879.8MB in the beginning and 874.6MB 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: 36.4s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3344 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3344 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 426 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13134 IncrementalHoareTripleChecker+Invalid, 13560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 426 mSolverCounterUnsat, 0 mSDtfsCounter, 13134 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 78 SyntacticMatches, 7 SemanticMatches, 677 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2538 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6239occurred in iteration=13, InterpolantAutomatonStates: 650, 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, 0.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 4905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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! [2024-11-10 22:14:07,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE