./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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-3_2-container_of-global.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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:00:09,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:00:09,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:00:09,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:00:09,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:00:09,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:00:09,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:00:09,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:00:09,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:00:09,549 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:00:09,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:00:09,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:00:09,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:00:09,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:00:09,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:00:09,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:00:09,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:00:09,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:00:09,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:00:09,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:00:09,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:00:09,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:00:09,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:00:09,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:00:09,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:00:09,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:00:09,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:00:09,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:00:09,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:00:09,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:00:09,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:00:09,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:00:09,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:00:09,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:00:09,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:09,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:00:09,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:00:09,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:00:09,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:00:09,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:00:09,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:00:09,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:00:09,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:00:09,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:00:09,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-09 15:00:09,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:00:09,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:00:09,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:00:09,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:00:09,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:00:09,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-09 15:00:11,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:00:11,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:00:11,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-09 15:00:11,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0bdd87b/81a658e397f148c497fa7e6cb40283ac/FLAG4044a267a [2024-11-09 15:00:11,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0bdd87b/81a658e397f148c497fa7e6cb40283ac [2024-11-09 15:00:11,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:00:11,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:00:11,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:11,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:00:11,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:00:11,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:11" (1/1) ... [2024-11-09 15:00:11,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a032117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:11, skipping insertion in model container [2024-11-09 15:00:11,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:11" (1/1) ... [2024-11-09 15:00:11,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:00:12,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:12,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:00:12,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:00:12,363 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:00:12,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12 WrapperNode [2024-11-09 15:00:12,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:00:12,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:12,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:00:12,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:00:12,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,429 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-09 15:00:12,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:00:12,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:00:12,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:00:12,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:00:12,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,457 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-09 15:00:12,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:00:12,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:00:12,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:00:12,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:00:12,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (1/1) ... [2024-11-09 15:00:12,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:00:12,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:00:12,509 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) [2024-11-09 15:00:12,522 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 [2024-11-09 15:00:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-09 15:00:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-09 15:00:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:00:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 15:00:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:00:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:00:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 15:00:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:00:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:00:12,568 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 15:00:12,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:00:12,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:00:13,084 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:00:13,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:00:13,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:00:13,399 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 15:00:13,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:13 BoogieIcfgContainer [2024-11-09 15:00:13,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:00:13,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:00:13,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:00:13,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:00:13,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:11" (1/3) ... [2024-11-09 15:00:13,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697e5cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:13, skipping insertion in model container [2024-11-09 15:00:13,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:12" (2/3) ... [2024-11-09 15:00:13,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697e5cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:13, skipping insertion in model container [2024-11-09 15:00:13,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:13" (3/3) ... [2024-11-09 15:00:13,408 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-09 15:00:13,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:00:13,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 15:00:13,423 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 15:00:13,477 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 15:00:13,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-09 15:00:13,545 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-09 15:00:13,546 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 15:00:13,548 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 72 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. [2024-11-09 15:00:13,548 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-09 15:00:13,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-09 15:00:13,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 15:00:13,569 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;@ff56b02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 15:00:13,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 15:00:13,575 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 15:00:13,576 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-09 15:00:13,576 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 15:00:13,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:13,577 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:13,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:13,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-09 15:00:13,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469001704] [2024-11-09 15:00:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:13,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:14,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:14,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469001704] [2024-11-09 15:00:14,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469001704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:14,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:14,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:14,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874658621] [2024-11-09 15:00:14,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:14,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:14,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:14,191 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) [2024-11-09 15:00:14,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:14,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:14,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:14,529 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-09 15:00:14,529 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-09 15:00:14,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1310 events. 769/1310 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6493 event pairs, 367 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2572. Up to 850 conditions per place. [2024-11-09 15:00:14,538 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-09 15:00:14,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-09 15:00:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:00:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 15:00:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-09 15:00:14,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-09 15:00:14,549 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-09 15:00:14,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-09 15:00:14,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:14,555 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-09 15:00:14,556 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} [2024-11-09 15:00:14,559 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-09 15:00:14,559 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-09 15:00:14,560 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) [2024-11-09 15:00:14,560 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:14,560 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:14,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 15:00:14,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:14,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:14,561 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-09 15:00:14,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:14,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893095288] [2024-11-09 15:00:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:14,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:14,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893095288] [2024-11-09 15:00:14,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893095288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:14,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:14,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:14,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515610115] [2024-11-09 15:00:14,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:14,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:14,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:14,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:14,766 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) [2024-11-09 15:00:14,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:14,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:14,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:15,048 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-09 15:00:15,048 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-09 15:00:15,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8185 event pairs, 569 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-11-09 15:00:15,055 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-09 15:00:15,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-09 15:00:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 15:00:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 15:00:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-09 15:00:15,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-09 15:00:15,057 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-09 15:00:15,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-09 15:00:15,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 15:00:15,061 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-09 15:00:15,061 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=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-09 15:00:15,062 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-09 15:00:15,062 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-09 15:00:15,062 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) [2024-11-09 15:00:15,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:15,062 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:15,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 15:00:15,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:15,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:15,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-09 15:00:15,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:15,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688608429] [2024-11-09 15:00:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:15,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:15,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688608429] [2024-11-09 15:00:15,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688608429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:15,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:15,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:00:15,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386207855] [2024-11-09 15:00:15,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:15,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:15,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:15,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:15,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:15,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:15,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:15,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:15,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:15,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:15,860 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-09 15:00:15,860 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-09 15:00:15,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6072 conditions, 2023 events. 1170/2023 cut-off events. For 1932/1943 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11433 event pairs, 391 based on Foata normal form. 69/1950 useless extension candidates. Maximal degree in co-relation 5974. Up to 1101 conditions per place. [2024-11-09 15:00:15,869 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 75 selfloop transitions, 49 changer transitions 7/132 dead transitions. [2024-11-09 15:00:15,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 132 transitions, 868 flow [2024-11-09 15:00:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 15:00:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-09 15:00:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 186 transitions. [2024-11-09 15:00:15,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34191176470588236 [2024-11-09 15:00:15,873 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 16 states and 186 transitions. [2024-11-09 15:00:15,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 132 transitions, 868 flow [2024-11-09 15:00:15,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 132 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 15:00:15,883 INFO L231 Difference]: Finished difference. Result has 75 places, 78 transitions, 566 flow [2024-11-09 15:00:15,883 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=566, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2024-11-09 15:00:15,884 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 40 predicate places. [2024-11-09 15:00:15,884 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 566 flow [2024-11-09 15:00:15,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:15,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:15,885 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:15,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 15:00:15,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:15,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-09 15:00:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:15,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181963168] [2024-11-09 15:00:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:16,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:16,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181963168] [2024-11-09 15:00:16,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181963168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:16,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:16,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:16,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621400903] [2024-11-09 15:00:16,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:16,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:16,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:16,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:16,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:16,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:16,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 566 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) [2024-11-09 15:00:16,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:16,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:16,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:16,783 INFO L124 PetriNetUnfolderBase]: 1249/2202 cut-off events. [2024-11-09 15:00:16,783 INFO L125 PetriNetUnfolderBase]: For 4339/4350 co-relation queries the response was YES. [2024-11-09 15:00:16,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7873 conditions, 2202 events. 1249/2202 cut-off events. For 4339/4350 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 13017 event pairs, 607 based on Foata normal form. 45/2097 useless extension candidates. Maximal degree in co-relation 7761. Up to 1287 conditions per place. [2024-11-09 15:00:16,794 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-11-09 15:00:16,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 124 transitions, 1019 flow [2024-11-09 15:00:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-11-09 15:00:16,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-09 15:00:16,796 INFO L175 Difference]: Start difference. First operand has 75 places, 78 transitions, 566 flow. Second operand 12 states and 153 transitions. [2024-11-09 15:00:16,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 124 transitions, 1019 flow [2024-11-09 15:00:16,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 124 transitions, 915 flow, removed 11 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:16,807 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 611 flow [2024-11-09 15:00:16,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=611, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2024-11-09 15:00:16,808 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 43 predicate places. [2024-11-09 15:00:16,808 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 611 flow [2024-11-09 15:00:16,808 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) [2024-11-09 15:00:16,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:16,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:16,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 15:00:16,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:16,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:16,809 INFO L85 PathProgramCache]: Analyzing trace with hash -32060395, now seen corresponding path program 2 times [2024-11-09 15:00:16,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:16,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399275007] [2024-11-09 15:00:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:16,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:17,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:17,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399275007] [2024-11-09 15:00:17,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399275007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:17,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:17,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:17,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857492590] [2024-11-09 15:00:17,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:17,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:17,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:17,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:17,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:17,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:17,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 611 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) [2024-11-09 15:00:17,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:17,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:17,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:18,153 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-11-09 15:00:18,153 INFO L125 PetriNetUnfolderBase]: For 5673/5677 co-relation queries the response was YES. [2024-11-09 15:00:18,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9719 conditions, 2586 events. 1484/2586 cut-off events. For 5673/5677 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 15557 event pairs, 554 based on Foata normal form. 62/2472 useless extension candidates. Maximal degree in co-relation 9602. Up to 1326 conditions per place. [2024-11-09 15:00:18,167 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-11-09 15:00:18,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 166 transitions, 1438 flow [2024-11-09 15:00:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-11-09 15:00:18,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-11-09 15:00:18,170 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 611 flow. Second operand 18 states and 209 transitions. [2024-11-09 15:00:18,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 166 transitions, 1438 flow [2024-11-09 15:00:18,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 166 transitions, 1358 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-11-09 15:00:18,184 INFO L231 Difference]: Finished difference. Result has 94 places, 105 transitions, 982 flow [2024-11-09 15:00:18,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=982, PETRI_PLACES=94, PETRI_TRANSITIONS=105} [2024-11-09 15:00:18,186 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 59 predicate places. [2024-11-09 15:00:18,186 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 105 transitions, 982 flow [2024-11-09 15:00:18,186 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) [2024-11-09 15:00:18,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:18,186 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:18,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 15:00:18,187 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:18,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:18,187 INFO L85 PathProgramCache]: Analyzing trace with hash -31858809, now seen corresponding path program 2 times [2024-11-09 15:00:18,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:18,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110234935] [2024-11-09 15:00:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:18,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:18,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:18,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110234935] [2024-11-09 15:00:18,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110234935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:18,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:18,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211229345] [2024-11-09 15:00:18,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:18,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:18,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:18,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:18,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 105 transitions, 982 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) [2024-11-09 15:00:18,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:18,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:18,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:19,595 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-11-09 15:00:19,595 INFO L125 PetriNetUnfolderBase]: For 10646/10654 co-relation queries the response was YES. [2024-11-09 15:00:19,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12005 conditions, 2831 events. 1588/2831 cut-off events. For 10646/10654 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 17827 event pairs, 844 based on Foata normal form. 60/2711 useless extension candidates. Maximal degree in co-relation 11878. Up to 1496 conditions per place. [2024-11-09 15:00:19,612 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 83 selfloop transitions, 63 changer transitions 6/153 dead transitions. [2024-11-09 15:00:19,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 153 transitions, 1534 flow [2024-11-09 15:00:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-09 15:00:19,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2024-11-09 15:00:19,615 INFO L175 Difference]: Start difference. First operand has 94 places, 105 transitions, 982 flow. Second operand 14 states and 170 transitions. [2024-11-09 15:00:19,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 153 transitions, 1534 flow [2024-11-09 15:00:19,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 153 transitions, 1455 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:19,637 INFO L231 Difference]: Finished difference. Result has 102 places, 108 transitions, 1120 flow [2024-11-09 15:00:19,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1120, PETRI_PLACES=102, PETRI_TRANSITIONS=108} [2024-11-09 15:00:19,638 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-09 15:00:19,638 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 108 transitions, 1120 flow [2024-11-09 15:00:19,638 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) [2024-11-09 15:00:19,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:19,638 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 15:00:19,639 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:19,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash 162080601, now seen corresponding path program 3 times [2024-11-09 15:00:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797948602] [2024-11-09 15:00:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:20,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:20,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797948602] [2024-11-09 15:00:20,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797948602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:20,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675894646] [2024-11-09 15:00:20,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:20,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:20,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:20,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:20,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 108 transitions, 1120 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) [2024-11-09 15:00:20,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:20,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:20,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:20,750 INFO L124 PetriNetUnfolderBase]: 1493/2680 cut-off events. [2024-11-09 15:00:20,750 INFO L125 PetriNetUnfolderBase]: For 11532/11534 co-relation queries the response was YES. [2024-11-09 15:00:20,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11869 conditions, 2680 events. 1493/2680 cut-off events. For 11532/11534 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 16891 event pairs, 629 based on Foata normal form. 56/2578 useless extension candidates. Maximal degree in co-relation 11735. Up to 1611 conditions per place. [2024-11-09 15:00:20,771 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 74 changer transitions 5/189 dead transitions. [2024-11-09 15:00:20,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 189 transitions, 2070 flow [2024-11-09 15:00:20,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 211 transitions. [2024-11-09 15:00:20,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34477124183006536 [2024-11-09 15:00:20,772 INFO L175 Difference]: Start difference. First operand has 102 places, 108 transitions, 1120 flow. Second operand 18 states and 211 transitions. [2024-11-09 15:00:20,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 189 transitions, 2070 flow [2024-11-09 15:00:20,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 189 transitions, 1953 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-09 15:00:20,799 INFO L231 Difference]: Finished difference. Result has 113 places, 127 transitions, 1472 flow [2024-11-09 15:00:20,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1010, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1472, PETRI_PLACES=113, PETRI_TRANSITIONS=127} [2024-11-09 15:00:20,800 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 78 predicate places. [2024-11-09 15:00:20,801 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 127 transitions, 1472 flow [2024-11-09 15:00:20,801 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) [2024-11-09 15:00:20,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:20,801 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:20,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 15:00:20,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:20,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:20,802 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 3 times [2024-11-09 15:00:20,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:20,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967942589] [2024-11-09 15:00:20,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:20,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:21,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:21,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967942589] [2024-11-09 15:00:21,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967942589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:21,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:21,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 15:00:21,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429298307] [2024-11-09 15:00:21,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:21,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 15:00:21,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:21,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 15:00:21,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-09 15:00:21,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:21,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 127 transitions, 1472 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) [2024-11-09 15:00:21,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:21,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:21,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:21,805 INFO L124 PetriNetUnfolderBase]: 1527/2802 cut-off events. [2024-11-09 15:00:21,805 INFO L125 PetriNetUnfolderBase]: For 15258/15275 co-relation queries the response was YES. [2024-11-09 15:00:21,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13154 conditions, 2802 events. 1527/2802 cut-off events. For 15258/15275 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18241 event pairs, 920 based on Foata normal form. 68/2718 useless extension candidates. Maximal degree in co-relation 12268. Up to 1802 conditions per place. [2024-11-09 15:00:21,825 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 60 changer transitions 10/180 dead transitions. [2024-11-09 15:00:21,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 180 transitions, 2200 flow [2024-11-09 15:00:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 15:00:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-09 15:00:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 169 transitions. [2024-11-09 15:00:21,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3550420168067227 [2024-11-09 15:00:21,828 INFO L175 Difference]: Start difference. First operand has 113 places, 127 transitions, 1472 flow. Second operand 14 states and 169 transitions. [2024-11-09 15:00:21,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 180 transitions, 2200 flow [2024-11-09 15:00:21,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 180 transitions, 2065 flow, removed 19 selfloop flow, removed 12 redundant places. [2024-11-09 15:00:21,861 INFO L231 Difference]: Finished difference. Result has 117 places, 132 transitions, 1579 flow [2024-11-09 15:00:21,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1579, PETRI_PLACES=117, PETRI_TRANSITIONS=132} [2024-11-09 15:00:21,863 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-09 15:00:21,864 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 132 transitions, 1579 flow [2024-11-09 15:00:21,864 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) [2024-11-09 15:00:21,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:21,864 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:21,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 15:00:21,868 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:21,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1115384781, now seen corresponding path program 1 times [2024-11-09 15:00:21,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611596542] [2024-11-09 15:00:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:21,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:21,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:21,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611596542] [2024-11-09 15:00:21,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611596542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:21,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:21,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:00:21,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647794390] [2024-11-09 15:00:21,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:21,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 15:00:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:21,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:00:21,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:00:21,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-09 15:00:21,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 132 transitions, 1579 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) [2024-11-09 15:00:21,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:21,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-09 15:00:21,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:22,171 INFO L124 PetriNetUnfolderBase]: 756/1427 cut-off events. [2024-11-09 15:00:22,171 INFO L125 PetriNetUnfolderBase]: For 8242/8242 co-relation queries the response was YES. [2024-11-09 15:00:22,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6524 conditions, 1427 events. 756/1427 cut-off events. For 8242/8242 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8732 event pairs, 56 based on Foata normal form. 0/1355 useless extension candidates. Maximal degree in co-relation 5889. Up to 834 conditions per place. [2024-11-09 15:00:22,179 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 207 selfloop transitions, 7 changer transitions 6/220 dead transitions. [2024-11-09 15:00:22,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 220 transitions, 3102 flow [2024-11-09 15:00:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:00:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 15:00:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-09 15:00:22,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-09 15:00:22,183 INFO L175 Difference]: Start difference. First operand has 117 places, 132 transitions, 1579 flow. Second operand 4 states and 66 transitions. [2024-11-09 15:00:22,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 220 transitions, 3102 flow [2024-11-09 15:00:22,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 220 transitions, 2967 flow, removed 15 selfloop flow, removed 8 redundant places. [2024-11-09 15:00:22,200 INFO L231 Difference]: Finished difference. Result has 109 places, 92 transitions, 978 flow [2024-11-09 15:00:22,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=978, PETRI_PLACES=109, PETRI_TRANSITIONS=92} [2024-11-09 15:00:22,201 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-11-09 15:00:22,201 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 92 transitions, 978 flow [2024-11-09 15:00:22,201 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) [2024-11-09 15:00:22,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:22,201 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:22,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 15:00:22,202 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:22,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:22,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-11-09 15:00:22,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:22,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551672798] [2024-11-09 15:00:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:22,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:22,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551672798] [2024-11-09 15:00:22,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551672798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:22,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:22,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:00:22,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119061172] [2024-11-09 15:00:22,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:22,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:22,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:22,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:22,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:22,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:22,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 92 transitions, 978 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) [2024-11-09 15:00:22,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:22,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:22,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:23,056 INFO L124 PetriNetUnfolderBase]: 642/1225 cut-off events. [2024-11-09 15:00:23,056 INFO L125 PetriNetUnfolderBase]: For 6123/6123 co-relation queries the response was YES. [2024-11-09 15:00:23,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6119 conditions, 1225 events. 642/1225 cut-off events. For 6123/6123 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6810 event pairs, 159 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 5982. Up to 306 conditions per place. [2024-11-09 15:00:23,065 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 105 selfloop transitions, 37 changer transitions 0/142 dead transitions. [2024-11-09 15:00:23,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 142 transitions, 1501 flow [2024-11-09 15:00:23,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 15:00:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 15:00:23,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-09 15:00:23,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-09 15:00:23,066 INFO L175 Difference]: Start difference. First operand has 109 places, 92 transitions, 978 flow. Second operand 11 states and 134 transitions. [2024-11-09 15:00:23,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 142 transitions, 1501 flow [2024-11-09 15:00:23,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 142 transitions, 1464 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-09 15:00:23,091 INFO L231 Difference]: Finished difference. Result has 120 places, 94 transitions, 1086 flow [2024-11-09 15:00:23,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1086, PETRI_PLACES=120, PETRI_TRANSITIONS=94} [2024-11-09 15:00:23,091 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 85 predicate places. [2024-11-09 15:00:23,092 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 94 transitions, 1086 flow [2024-11-09 15:00:23,092 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) [2024-11-09 15:00:23,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:23,092 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:23,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 15:00:23,092 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:23,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-09 15:00:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:23,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811191663] [2024-11-09 15:00:23,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811191663] [2024-11-09 15:00:23,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811191663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:23,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:23,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997041304] [2024-11-09 15:00:23,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:23,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:23,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:23,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:23,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:23,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 94 transitions, 1086 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) [2024-11-09 15:00:23,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:23,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:23,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:24,202 INFO L124 PetriNetUnfolderBase]: 658/1253 cut-off events. [2024-11-09 15:00:24,202 INFO L125 PetriNetUnfolderBase]: For 8233/8233 co-relation queries the response was YES. [2024-11-09 15:00:24,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6381 conditions, 1253 events. 658/1253 cut-off events. For 8233/8233 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7083 event pairs, 98 based on Foata normal form. 30/1243 useless extension candidates. Maximal degree in co-relation 6235. Up to 444 conditions per place. [2024-11-09 15:00:24,211 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 67 changer transitions 22/196 dead transitions. [2024-11-09 15:00:24,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 196 transitions, 1961 flow [2024-11-09 15:00:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 15:00:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-09 15:00:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-09 15:00:24,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-09 15:00:24,213 INFO L175 Difference]: Start difference. First operand has 120 places, 94 transitions, 1086 flow. Second operand 28 states and 272 transitions. [2024-11-09 15:00:24,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 196 transitions, 1961 flow [2024-11-09 15:00:24,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 196 transitions, 1881 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-11-09 15:00:24,253 INFO L231 Difference]: Finished difference. Result has 147 places, 101 transitions, 1264 flow [2024-11-09 15:00:24,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1264, PETRI_PLACES=147, PETRI_TRANSITIONS=101} [2024-11-09 15:00:24,253 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 112 predicate places. [2024-11-09 15:00:24,253 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 101 transitions, 1264 flow [2024-11-09 15:00:24,254 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) [2024-11-09 15:00:24,254 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:24,254 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:24,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 15:00:24,254 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:24,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-11-09 15:00:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896542650] [2024-11-09 15:00:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:24,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:24,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:24,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896542650] [2024-11-09 15:00:24,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896542650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:24,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:24,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:24,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364060255] [2024-11-09 15:00:24,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:24,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:24,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:24,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:24,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:24,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:24,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 101 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:24,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:24,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:24,724 INFO L124 PetriNetUnfolderBase]: 672/1289 cut-off events. [2024-11-09 15:00:24,724 INFO L125 PetriNetUnfolderBase]: For 9322/9322 co-relation queries the response was YES. [2024-11-09 15:00:24,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6653 conditions, 1289 events. 672/1289 cut-off events. For 9322/9322 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7314 event pairs, 213 based on Foata normal form. 30/1263 useless extension candidates. Maximal degree in co-relation 6536. Up to 402 conditions per place. [2024-11-09 15:00:24,733 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 106 selfloop transitions, 23 changer transitions 14/143 dead transitions. [2024-11-09 15:00:24,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 143 transitions, 1760 flow [2024-11-09 15:00:24,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:00:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 15:00:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-11-09 15:00:24,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-11-09 15:00:24,734 INFO L175 Difference]: Start difference. First operand has 147 places, 101 transitions, 1264 flow. Second operand 9 states and 116 transitions. [2024-11-09 15:00:24,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 143 transitions, 1760 flow [2024-11-09 15:00:24,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 143 transitions, 1579 flow, removed 37 selfloop flow, removed 18 redundant places. [2024-11-09 15:00:24,766 INFO L231 Difference]: Finished difference. Result has 136 places, 91 transitions, 1044 flow [2024-11-09 15:00:24,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1044, PETRI_PLACES=136, PETRI_TRANSITIONS=91} [2024-11-09 15:00:24,766 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-09 15:00:24,766 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 91 transitions, 1044 flow [2024-11-09 15:00:24,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:24,767 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:24,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 15:00:24,767 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:24,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-09 15:00:24,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:24,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042642582] [2024-11-09 15:00:24,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:24,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:24,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042642582] [2024-11-09 15:00:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042642582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:24,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417091036] [2024-11-09 15:00:24,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:24,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:24,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:24,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:24,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:24,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:24,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 91 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:24,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:24,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:24,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:25,167 INFO L124 PetriNetUnfolderBase]: 536/1035 cut-off events. [2024-11-09 15:00:25,167 INFO L125 PetriNetUnfolderBase]: For 6394/6394 co-relation queries the response was YES. [2024-11-09 15:00:25,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5178 conditions, 1035 events. 536/1035 cut-off events. For 6394/6394 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5554 event pairs, 170 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 5085. Up to 352 conditions per place. [2024-11-09 15:00:25,173 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 99 selfloop transitions, 22 changer transitions 0/121 dead transitions. [2024-11-09 15:00:25,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 1401 flow [2024-11-09 15:00:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 15:00:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 15:00:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-11-09 15:00:25,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-09 15:00:25,174 INFO L175 Difference]: Start difference. First operand has 136 places, 91 transitions, 1044 flow. Second operand 8 states and 102 transitions. [2024-11-09 15:00:25,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 1401 flow [2024-11-09 15:00:25,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 121 transitions, 1309 flow, removed 21 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:25,197 INFO L231 Difference]: Finished difference. Result has 133 places, 93 transitions, 1049 flow [2024-11-09 15:00:25,197 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1049, PETRI_PLACES=133, PETRI_TRANSITIONS=93} [2024-11-09 15:00:25,197 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 98 predicate places. [2024-11-09 15:00:25,197 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 93 transitions, 1049 flow [2024-11-09 15:00:25,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:25,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:25,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:25,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 15:00:25,198 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:25,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-09 15:00:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:25,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355373089] [2024-11-09 15:00:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:25,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:25,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355373089] [2024-11-09 15:00:25,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355373089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:25,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:25,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:25,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294711616] [2024-11-09 15:00:25,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:25,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:25,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:25,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:25,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:25,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:25,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 93 transitions, 1049 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) [2024-11-09 15:00:25,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:25,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:25,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:26,038 INFO L124 PetriNetUnfolderBase]: 560/1091 cut-off events. [2024-11-09 15:00:26,038 INFO L125 PetriNetUnfolderBase]: For 6910/6910 co-relation queries the response was YES. [2024-11-09 15:00:26,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5420 conditions, 1091 events. 560/1091 cut-off events. For 6910/6910 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6033 event pairs, 177 based on Foata normal form. 32/1123 useless extension candidates. Maximal degree in co-relation 5327. Up to 368 conditions per place. [2024-11-09 15:00:26,046 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-11-09 15:00:26,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 1659 flow [2024-11-09 15:00:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:00:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:00:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-11-09 15:00:26,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-11-09 15:00:26,047 INFO L175 Difference]: Start difference. First operand has 133 places, 93 transitions, 1049 flow. Second operand 20 states and 198 transitions. [2024-11-09 15:00:26,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 1659 flow [2024-11-09 15:00:26,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 154 transitions, 1621 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-09 15:00:26,070 INFO L231 Difference]: Finished difference. Result has 151 places, 81 transitions, 955 flow [2024-11-09 15:00:26,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=955, PETRI_PLACES=151, PETRI_TRANSITIONS=81} [2024-11-09 15:00:26,070 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-09 15:00:26,071 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 81 transitions, 955 flow [2024-11-09 15:00:26,071 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) [2024-11-09 15:00:26,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:26,071 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:26,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 15:00:26,071 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:26,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-09 15:00:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:26,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761155553] [2024-11-09 15:00:26,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:26,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:26,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:26,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761155553] [2024-11-09 15:00:26,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761155553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:26,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:26,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:26,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055339758] [2024-11-09 15:00:26,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:26,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:26,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:26,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:26,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:26,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:26,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 81 transitions, 955 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) [2024-11-09 15:00:26,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:26,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:26,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:26,846 INFO L124 PetriNetUnfolderBase]: 427/830 cut-off events. [2024-11-09 15:00:26,846 INFO L125 PetriNetUnfolderBase]: For 5514/5514 co-relation queries the response was YES. [2024-11-09 15:00:26,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 830 events. 427/830 cut-off events. For 5514/5514 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4239 event pairs, 90 based on Foata normal form. 10/840 useless extension candidates. Maximal degree in co-relation 4245. Up to 326 conditions per place. [2024-11-09 15:00:26,851 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 34 changer transitions 42/126 dead transitions. [2024-11-09 15:00:26,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 126 transitions, 1346 flow [2024-11-09 15:00:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 15:00:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-09 15:00:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-11-09 15:00:26,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-11-09 15:00:26,853 INFO L175 Difference]: Start difference. First operand has 151 places, 81 transitions, 955 flow. Second operand 20 states and 186 transitions. [2024-11-09 15:00:26,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 126 transitions, 1346 flow [2024-11-09 15:00:26,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 126 transitions, 1192 flow, removed 18 selfloop flow, removed 23 redundant places. [2024-11-09 15:00:26,866 INFO L231 Difference]: Finished difference. Result has 137 places, 64 transitions, 706 flow [2024-11-09 15:00:26,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=706, PETRI_PLACES=137, PETRI_TRANSITIONS=64} [2024-11-09 15:00:26,867 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 102 predicate places. [2024-11-09 15:00:26,867 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 64 transitions, 706 flow [2024-11-09 15:00:26,867 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) [2024-11-09 15:00:26,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:26,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:26,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 15:00:26,867 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:26,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1148334774, now seen corresponding path program 2 times [2024-11-09 15:00:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177651414] [2024-11-09 15:00:26,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:27,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177651414] [2024-11-09 15:00:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177651414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:27,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:27,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:00:27,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699162189] [2024-11-09 15:00:27,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:27,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:27,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:27,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:27,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:27,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 64 transitions, 706 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) [2024-11-09 15:00:27,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:27,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:27,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:27,345 INFO L124 PetriNetUnfolderBase]: 401/774 cut-off events. [2024-11-09 15:00:27,345 INFO L125 PetriNetUnfolderBase]: For 3732/3732 co-relation queries the response was YES. [2024-11-09 15:00:27,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3726 conditions, 774 events. 401/774 cut-off events. For 3732/3732 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3880 event pairs, 102 based on Foata normal form. 24/798 useless extension candidates. Maximal degree in co-relation 3678. Up to 334 conditions per place. [2024-11-09 15:00:27,349 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 67 selfloop transitions, 27 changer transitions 0/94 dead transitions. [2024-11-09 15:00:27,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 94 transitions, 1002 flow [2024-11-09 15:00:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 15:00:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 15:00:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 102 transitions. [2024-11-09 15:00:27,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-09 15:00:27,350 INFO L175 Difference]: Start difference. First operand has 137 places, 64 transitions, 706 flow. Second operand 9 states and 102 transitions. [2024-11-09 15:00:27,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 94 transitions, 1002 flow [2024-11-09 15:00:27,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 94 transitions, 887 flow, removed 10 selfloop flow, removed 20 redundant places. [2024-11-09 15:00:27,358 INFO L231 Difference]: Finished difference. Result has 110 places, 68 transitions, 708 flow [2024-11-09 15:00:27,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=708, PETRI_PLACES=110, PETRI_TRANSITIONS=68} [2024-11-09 15:00:27,359 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 75 predicate places. [2024-11-09 15:00:27,359 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 68 transitions, 708 flow [2024-11-09 15:00:27,359 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) [2024-11-09 15:00:27,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:27,359 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 15:00:27,359 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:27,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:27,360 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 2 times [2024-11-09 15:00:27,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:27,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059307979] [2024-11-09 15:00:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:27,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:27,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059307979] [2024-11-09 15:00:27,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059307979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:27,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:27,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 15:00:27,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711893099] [2024-11-09 15:00:27,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:27,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 15:00:27,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 15:00:27,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 15:00:27,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:27,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 68 transitions, 708 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) [2024-11-09 15:00:27,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:27,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:27,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:28,031 INFO L124 PetriNetUnfolderBase]: 438/855 cut-off events. [2024-11-09 15:00:28,031 INFO L125 PetriNetUnfolderBase]: For 3179/3179 co-relation queries the response was YES. [2024-11-09 15:00:28,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4065 conditions, 855 events. 438/855 cut-off events. For 3179/3179 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4506 event pairs, 94 based on Foata normal form. 24/879 useless extension candidates. Maximal degree in co-relation 4023. Up to 272 conditions per place. [2024-11-09 15:00:28,035 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 49 selfloop transitions, 30 changer transitions 35/114 dead transitions. [2024-11-09 15:00:28,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 114 transitions, 1172 flow [2024-11-09 15:00:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 15:00:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 15:00:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 160 transitions. [2024-11-09 15:00:28,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2768166089965398 [2024-11-09 15:00:28,036 INFO L175 Difference]: Start difference. First operand has 110 places, 68 transitions, 708 flow. Second operand 17 states and 160 transitions. [2024-11-09 15:00:28,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 114 transitions, 1172 flow [2024-11-09 15:00:28,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 114 transitions, 1157 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-09 15:00:28,046 INFO L231 Difference]: Finished difference. Result has 126 places, 59 transitions, 631 flow [2024-11-09 15:00:28,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=631, PETRI_PLACES=126, PETRI_TRANSITIONS=59} [2024-11-09 15:00:28,047 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 91 predicate places. [2024-11-09 15:00:28,047 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 59 transitions, 631 flow [2024-11-09 15:00:28,047 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) [2024-11-09 15:00:28,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:28,047 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:28,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 15:00:28,047 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:28,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:28,048 INFO L85 PathProgramCache]: Analyzing trace with hash -578285588, now seen corresponding path program 3 times [2024-11-09 15:00:28,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:28,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523689717] [2024-11-09 15:00:28,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:28,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:28,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:28,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523689717] [2024-11-09 15:00:28,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523689717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:28,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:28,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:00:28,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270580010] [2024-11-09 15:00:28,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:28,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 15:00:28,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 15:00:28,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 15:00:28,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:28,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 59 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:28,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:28,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:28,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:28,429 INFO L124 PetriNetUnfolderBase]: 270/545 cut-off events. [2024-11-09 15:00:28,429 INFO L125 PetriNetUnfolderBase]: For 2120/2120 co-relation queries the response was YES. [2024-11-09 15:00:28,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2586 conditions, 545 events. 270/545 cut-off events. For 2120/2120 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2599 event pairs, 34 based on Foata normal form. 30/575 useless extension candidates. Maximal degree in co-relation 2540. Up to 286 conditions per place. [2024-11-09 15:00:28,436 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 55 selfloop transitions, 14 changer transitions 6/75 dead transitions. [2024-11-09 15:00:28,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 75 transitions, 813 flow [2024-11-09 15:00:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 15:00:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 15:00:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2024-11-09 15:00:28,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3319327731092437 [2024-11-09 15:00:28,441 INFO L175 Difference]: Start difference. First operand has 126 places, 59 transitions, 631 flow. Second operand 7 states and 79 transitions. [2024-11-09 15:00:28,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 75 transitions, 813 flow [2024-11-09 15:00:28,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 75 transitions, 681 flow, removed 7 selfloop flow, removed 23 redundant places. [2024-11-09 15:00:28,451 INFO L231 Difference]: Finished difference. Result has 102 places, 51 transitions, 431 flow [2024-11-09 15:00:28,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=102, PETRI_TRANSITIONS=51} [2024-11-09 15:00:28,452 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-09 15:00:28,452 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 51 transitions, 431 flow [2024-11-09 15:00:28,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:00:28,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:28,452 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:28,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 15:00:28,452 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:28,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash -578285587, now seen corresponding path program 3 times [2024-11-09 15:00:28,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:28,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60454097] [2024-11-09 15:00:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:28,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:29,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:29,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60454097] [2024-11-09 15:00:29,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60454097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:29,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:29,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15882878] [2024-11-09 15:00:29,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:29,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:29,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:29,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:29,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:29,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:29,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 51 transitions, 431 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) [2024-11-09 15:00:29,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:29,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:29,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:29,403 INFO L124 PetriNetUnfolderBase]: 206/423 cut-off events. [2024-11-09 15:00:29,404 INFO L125 PetriNetUnfolderBase]: For 906/906 co-relation queries the response was YES. [2024-11-09 15:00:29,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 423 events. 206/423 cut-off events. For 906/906 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1913 event pairs, 44 based on Foata normal form. 20/443 useless extension candidates. Maximal degree in co-relation 1842. Up to 222 conditions per place. [2024-11-09 15:00:29,406 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 30 selfloop transitions, 13 changer transitions 41/84 dead transitions. [2024-11-09 15:00:29,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 84 transitions, 709 flow [2024-11-09 15:00:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 15:00:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-09 15:00:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 149 transitions. [2024-11-09 15:00:29,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2434640522875817 [2024-11-09 15:00:29,407 INFO L175 Difference]: Start difference. First operand has 102 places, 51 transitions, 431 flow. Second operand 18 states and 149 transitions. [2024-11-09 15:00:29,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 84 transitions, 709 flow [2024-11-09 15:00:29,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 84 transitions, 657 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-09 15:00:29,410 INFO L231 Difference]: Finished difference. Result has 100 places, 30 transitions, 206 flow [2024-11-09 15:00:29,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=206, PETRI_PLACES=100, PETRI_TRANSITIONS=30} [2024-11-09 15:00:29,411 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 65 predicate places. [2024-11-09 15:00:29,411 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 30 transitions, 206 flow [2024-11-09 15:00:29,411 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) [2024-11-09 15:00:29,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:29,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:29,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 15:00:29,412 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:29,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash -321252907, now seen corresponding path program 3 times [2024-11-09 15:00:29,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:29,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088703306] [2024-11-09 15:00:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:29,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:29,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:29,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088703306] [2024-11-09 15:00:29,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088703306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:29,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:29,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:29,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552965480] [2024-11-09 15:00:29,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:29,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:29,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:29,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:29,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:29,717 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:29,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 30 transitions, 206 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) [2024-11-09 15:00:29,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:29,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:29,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:29,972 INFO L124 PetriNetUnfolderBase]: 113/230 cut-off events. [2024-11-09 15:00:29,972 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-09 15:00:29,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 230 events. 113/230 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 821 event pairs, 4 based on Foata normal form. 16/246 useless extension candidates. Maximal degree in co-relation 926. Up to 72 conditions per place. [2024-11-09 15:00:29,973 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 29 selfloop transitions, 12 changer transitions 17/58 dead transitions. [2024-11-09 15:00:29,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 58 transitions, 410 flow [2024-11-09 15:00:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 15:00:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-09 15:00:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 118 transitions. [2024-11-09 15:00:29,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23137254901960785 [2024-11-09 15:00:29,974 INFO L175 Difference]: Start difference. First operand has 100 places, 30 transitions, 206 flow. Second operand 15 states and 118 transitions. [2024-11-09 15:00:29,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 58 transitions, 410 flow [2024-11-09 15:00:29,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 58 transitions, 335 flow, removed 11 selfloop flow, removed 21 redundant places. [2024-11-09 15:00:29,977 INFO L231 Difference]: Finished difference. Result has 69 places, 23 transitions, 113 flow [2024-11-09 15:00:29,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=113, PETRI_PLACES=69, PETRI_TRANSITIONS=23} [2024-11-09 15:00:29,978 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 34 predicate places. [2024-11-09 15:00:29,978 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 23 transitions, 113 flow [2024-11-09 15:00:29,978 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) [2024-11-09 15:00:29,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:29,978 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:29,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 15:00:29,978 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:29,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash -310528147, now seen corresponding path program 4 times [2024-11-09 15:00:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467284479] [2024-11-09 15:00:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:30,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467284479] [2024-11-09 15:00:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467284479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 15:00:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984963689] [2024-11-09 15:00:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:30,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 15:00:30,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 15:00:30,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 15:00:30,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:30,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 23 transitions, 113 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) [2024-11-09 15:00:30,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:30,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:30,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:30,561 INFO L124 PetriNetUnfolderBase]: 55/116 cut-off events. [2024-11-09 15:00:30,561 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-09 15:00:30,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 116 events. 55/116 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 285 event pairs, 0 based on Foata normal form. 8/124 useless extension candidates. Maximal degree in co-relation 415. Up to 36 conditions per place. [2024-11-09 15:00:30,562 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 28 selfloop transitions, 12 changer transitions 0/40 dead transitions. [2024-11-09 15:00:30,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 40 transitions, 236 flow [2024-11-09 15:00:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:00:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 15:00:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 89 transitions. [2024-11-09 15:00:30,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2181372549019608 [2024-11-09 15:00:30,564 INFO L175 Difference]: Start difference. First operand has 69 places, 23 transitions, 113 flow. Second operand 12 states and 89 transitions. [2024-11-09 15:00:30,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 40 transitions, 236 flow [2024-11-09 15:00:30,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 40 transitions, 205 flow, removed 3 selfloop flow, removed 14 redundant places. [2024-11-09 15:00:30,565 INFO L231 Difference]: Finished difference. Result has 55 places, 22 transitions, 101 flow [2024-11-09 15:00:30,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=101, PETRI_PLACES=55, PETRI_TRANSITIONS=22} [2024-11-09 15:00:30,566 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 20 predicate places. [2024-11-09 15:00:30,566 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 22 transitions, 101 flow [2024-11-09 15:00:30,566 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) [2024-11-09 15:00:30,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 15:00:30,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:00:30,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 15:00:30,566 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-09 15:00:30,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:00:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-11-09 15:00:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:00:30,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946532671] [2024-11-09 15:00:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:00:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:00:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:00:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:00:30,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:00:30,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946532671] [2024-11-09 15:00:30,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946532671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:00:30,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:00:30,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 15:00:30,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810824038] [2024-11-09 15:00:30,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:00:30,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 15:00:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:00:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 15:00:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 15:00:30,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-09 15:00:30,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 22 transitions, 101 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) [2024-11-09 15:00:30,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 15:00:30,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-09 15:00:30,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 15:00:30,919 INFO L124 PetriNetUnfolderBase]: 45/98 cut-off events. [2024-11-09 15:00:30,920 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-09 15:00:30,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 98 events. 45/98 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 223 event pairs, 2 based on Foata normal form. 8/106 useless extension candidates. Maximal degree in co-relation 327. Up to 36 conditions per place. [2024-11-09 15:00:30,920 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2024-11-09 15:00:30,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 36 transitions, 207 flow [2024-11-09 15:00:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 15:00:30,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 15:00:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 63 transitions. [2024-11-09 15:00:30,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2647058823529412 [2024-11-09 15:00:30,921 INFO L175 Difference]: Start difference. First operand has 55 places, 22 transitions, 101 flow. Second operand 7 states and 63 transitions. [2024-11-09 15:00:30,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 36 transitions, 207 flow [2024-11-09 15:00:30,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 36 transitions, 184 flow, removed 0 selfloop flow, removed 10 redundant places. [2024-11-09 15:00:30,922 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-11-09 15:00:30,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-11-09 15:00:30,922 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2024-11-09 15:00:30,922 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-11-09 15:00:30,922 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) [2024-11-09 15:00:30,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-09 15:00:30,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-09 15:00:30,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-09 15:00:30,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-09 15:00:30,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-09 15:00:30,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-09 15:00:30,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-09 15:00:30,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-09 15:00:30,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 15:00:30,926 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-09 15:00:30,930 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 15:00:30,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 15:00:30,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:00:30 BasicIcfg [2024-11-09 15:00:30,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 15:00:30,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:00:30,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:00:30,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:00:30,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:13" (3/4) ... [2024-11-09 15:00:30,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 15:00:30,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-09 15:00:30,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-09 15:00:30,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-09 15:00:30,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 15:00:30,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:00:31,023 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 15:00:31,024 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 15:00:31,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:00:31,024 INFO L158 Benchmark]: Toolchain (without parser) took 19538.91ms. Allocated memory was 155.2MB in the beginning and 763.4MB in the end (delta: 608.2MB). Free memory was 80.0MB in the beginning and 425.6MB in the end (delta: -345.6MB). Peak memory consumption was 265.6MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,025 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 155.2MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:00:31,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.41ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 93.3MB in the end (delta: -13.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 90.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,025 INFO L158 Benchmark]: Boogie Preprocessor took 43.37ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,025 INFO L158 Benchmark]: RCFGBuilder took 924.21ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 86.3MB in the beginning and 154.6MB in the end (delta: -68.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,026 INFO L158 Benchmark]: TraceAbstraction took 17531.80ms. Allocated memory was 201.3MB in the beginning and 763.4MB in the end (delta: 562.0MB). Free memory was 154.6MB in the beginning and 431.9MB in the end (delta: -277.3MB). Peak memory consumption was 287.9MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,026 INFO L158 Benchmark]: Witness Printer took 89.18ms. Allocated memory is still 763.4MB. Free memory was 431.9MB in the beginning and 425.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 15:00:31,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 155.2MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.41ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 93.3MB in the end (delta: -13.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 90.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.37ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 924.21ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 86.3MB in the beginning and 154.6MB in the end (delta: -68.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17531.80ms. Allocated memory was 201.3MB in the beginning and 763.4MB in the end (delta: 562.0MB). Free memory was 154.6MB in the beginning and 431.9MB in the end (delta: -277.3MB). Peak memory consumption was 287.9MB. Max. memory is 16.1GB. * Witness Printer took 89.18ms. Allocated memory is still 763.4MB. Free memory was 431.9MB in the beginning and 425.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 17.4s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1565 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1564 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 250 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6398 IncrementalHoareTripleChecker+Invalid, 6648 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 250 mSolverCounterUnsat, 1 mSDtfsCounter, 6398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1579occurred in iteration=8, InterpolantAutomatonStates: 297, 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, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 2398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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! [2024-11-09 15:00:31,062 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