./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:43:14,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:43:14,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:43:14,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:43:14,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:43:14,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:43:14,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:43:14,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:43:14,987 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:43:14,988 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:43:14,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:43:14,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:43:14,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:43:14,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:43:14,990 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:43:14,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:43:14,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:43:14,990 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:43:14,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:43:14,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:43:14,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:43:14,992 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:43:14,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:43:14,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:14,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:43:14,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:43:14,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:14,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:43:14,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:43:14,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:43:14,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:43:14,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2025-01-10 06:43:15,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:43:15,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:43:15,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:43:15,243 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:43:15,243 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:43:15,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2025-01-10 06:43:16,358 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c4385e49d/82e956c0841e4008b820b5a98f5a98ad/FLAG43407ab1d [2025-01-10 06:43:16,619 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:43:16,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2025-01-10 06:43:16,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c4385e49d/82e956c0841e4008b820b5a98f5a98ad/FLAG43407ab1d [2025-01-10 06:43:16,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c4385e49d/82e956c0841e4008b820b5a98f5a98ad [2025-01-10 06:43:16,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:43:16,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:43:16,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:43:16,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:43:16,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:43:16,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:43:16" (1/1) ... [2025-01-10 06:43:16,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebe9ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:16, skipping insertion in model container [2025-01-10 06:43:16,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:43:16" (1/1) ... [2025-01-10 06:43:16,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:43:17,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:43:17,138 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:43:17,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:43:17,232 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:43:17,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17 WrapperNode [2025-01-10 06:43:17,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:43:17,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:43:17,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:43:17,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:43:17,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,273 INFO L138 Inliner]: procedures = 364, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2025-01-10 06:43:17,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:43:17,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:43:17,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:43:17,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:43:17,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,306 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 06:43:17,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:43:17,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:43:17,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:43:17,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:43:17,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (1/1) ... [2025-01-10 06:43:17,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:43:17,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:17,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:43:17,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:43:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:43:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:43:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2025-01-10 06:43:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2025-01-10 06:43:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:43:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:43:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:43:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:43:17,397 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:43:17,541 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:43:17,542 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:43:17,731 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:43:17,732 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:43:17,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:43:17,961 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:43:17,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:43:17 BoogieIcfgContainer [2025-01-10 06:43:17,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:43:17,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:43:17,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:43:17,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:43:17,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:43:16" (1/3) ... [2025-01-10 06:43:17,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f39511d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:43:17, skipping insertion in model container [2025-01-10 06:43:17,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:43:17" (2/3) ... [2025-01-10 06:43:17,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f39511d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:43:17, skipping insertion in model container [2025-01-10 06:43:17,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:43:17" (3/3) ... [2025-01-10 06:43:17,969 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2025-01-10 06:43:17,979 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:43:17,980 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-3.i that has 2 procedures, 29 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-01-10 06:43:17,980 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:43:18,013 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-10 06:43:18,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 30 transitions, 67 flow [2025-01-10 06:43:18,055 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2025-01-10 06:43:18,056 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-10 06:43:18,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 29 events. 2/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2025-01-10 06:43:18,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 30 transitions, 67 flow [2025-01-10 06:43:18,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 27 transitions, 57 flow [2025-01-10 06:43:18,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:43:18,074 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;@3b56df7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:43:18,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-01-10 06:43:18,078 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:43:18,078 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2025-01-10 06:43:18,078 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:43:18,078 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:18,078 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 06:43:18,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:18,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash 348987445, now seen corresponding path program 1 times [2025-01-10 06:43:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:18,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938216302] [2025-01-10 06:43:18,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:18,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:18,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 06:43:18,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 06:43:18,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:18,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:18,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938216302] [2025-01-10 06:43:18,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938216302] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:18,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:18,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:43:18,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634829671] [2025-01-10 06:43:18,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:18,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:43:18,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:18,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:43:18,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:43:18,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 30 [2025-01-10 06:43:18,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2025-01-10 06:43:18,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:18,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 30 [2025-01-10 06:43:18,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:18,615 INFO L124 PetriNetUnfolderBase]: 33/118 cut-off events. [2025-01-10 06:43:18,619 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:43:18,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 118 events. 33/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 467 event pairs, 3 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 180. Up to 55 conditions per place. [2025-01-10 06:43:18,624 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 15 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2025-01-10 06:43:18,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 33 transitions, 105 flow [2025-01-10 06:43:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:43:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:43:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2025-01-10 06:43:18,642 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2025-01-10 06:43:18,647 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 57 flow. Second operand 3 states and 68 transitions. [2025-01-10 06:43:18,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 33 transitions, 105 flow [2025-01-10 06:43:18,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 33 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:43:18,657 INFO L231 Difference]: Finished difference. Result has 31 places, 29 transitions, 77 flow [2025-01-10 06:43:18,663 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=31, PETRI_TRANSITIONS=29} [2025-01-10 06:43:18,669 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2025-01-10 06:43:18,669 INFO L471 AbstractCegarLoop]: Abstraction has has 31 places, 29 transitions, 77 flow [2025-01-10 06:43:18,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2025-01-10 06:43:18,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:18,670 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 06:43:18,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:43:18,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:18,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2065452134, now seen corresponding path program 1 times [2025-01-10 06:43:18,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:18,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258134454] [2025-01-10 06:43:18,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:18,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 06:43:18,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 06:43:18,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:18,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:18,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:18,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258134454] [2025-01-10 06:43:18,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258134454] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:18,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:18,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:43:18,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659351661] [2025-01-10 06:43:18,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:18,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:43:18,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:18,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:43:18,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:43:18,846 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:18,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-01-10 06:43:18,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:18,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:18,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:18,964 INFO L124 PetriNetUnfolderBase]: 54/165 cut-off events. [2025-01-10 06:43:18,964 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-01-10 06:43:18,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 165 events. 54/165 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 751 event pairs, 12 based on Foata normal form. 6/126 useless extension candidates. Maximal degree in co-relation 315. Up to 89 conditions per place. [2025-01-10 06:43:18,965 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 22 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2025-01-10 06:43:18,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 168 flow [2025-01-10 06:43:18,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:43:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-10 06:43:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 98 transitions. [2025-01-10 06:43:18,970 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2025-01-10 06:43:18,970 INFO L175 Difference]: Start difference. First operand has 31 places, 29 transitions, 77 flow. Second operand 5 states and 98 transitions. [2025-01-10 06:43:18,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 168 flow [2025-01-10 06:43:18,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:43:18,971 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 120 flow [2025-01-10 06:43:18,971 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2025-01-10 06:43:18,971 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 8 predicate places. [2025-01-10 06:43:18,971 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 120 flow [2025-01-10 06:43:18,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-01-10 06:43:18,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:18,971 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:18,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:43:18,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:18,972 INFO L85 PathProgramCache]: Analyzing trace with hash 369497746, now seen corresponding path program 1 times [2025-01-10 06:43:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:18,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748825565] [2025-01-10 06:43:18,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:18,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:18,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:43:19,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:43:19,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:19,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:19,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:19,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748825565] [2025-01-10 06:43:19,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748825565] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:19,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:19,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:19,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798240049] [2025-01-10 06:43:19,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:19,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:43:19,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:19,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:43:19,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:43:19,071 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:19,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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) [2025-01-10 06:43:19,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:19,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:19,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:19,128 INFO L124 PetriNetUnfolderBase]: 78/216 cut-off events. [2025-01-10 06:43:19,128 INFO L125 PetriNetUnfolderBase]: For 63/64 co-relation queries the response was YES. [2025-01-10 06:43:19,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 216 events. 78/216 cut-off events. For 63/64 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1027 event pairs, 23 based on Foata normal form. 13/189 useless extension candidates. Maximal degree in co-relation 473. Up to 97 conditions per place. [2025-01-10 06:43:19,129 INFO L140 encePairwiseOnDemand]: 24/30 looper letters, 32 selfloop transitions, 3 changer transitions 0/49 dead transitions. [2025-01-10 06:43:19,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 242 flow [2025-01-10 06:43:19,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:43:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:43:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2025-01-10 06:43:19,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6916666666666667 [2025-01-10 06:43:19,130 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 120 flow. Second operand 4 states and 83 transitions. [2025-01-10 06:43:19,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 242 flow [2025-01-10 06:43:19,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 49 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:43:19,132 INFO L231 Difference]: Finished difference. Result has 41 places, 35 transitions, 140 flow [2025-01-10 06:43:19,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=41, PETRI_TRANSITIONS=35} [2025-01-10 06:43:19,133 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 12 predicate places. [2025-01-10 06:43:19,133 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 35 transitions, 140 flow [2025-01-10 06:43:19,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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) [2025-01-10 06:43:19,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:19,133 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:19,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:43:19,133 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash 2083414391, now seen corresponding path program 1 times [2025-01-10 06:43:19,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:19,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818703966] [2025-01-10 06:43:19,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:19,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:19,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:43:19,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:43:19,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:19,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:19,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818703966] [2025-01-10 06:43:19,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818703966] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:19,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:19,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:19,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261431899] [2025-01-10 06:43:19,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:19,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:43:19,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:19,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:43:19,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:43:19,273 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:19,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 35 transitions, 140 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-01-10 06:43:19,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:19,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:19,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:19,421 INFO L124 PetriNetUnfolderBase]: 120/380 cut-off events. [2025-01-10 06:43:19,423 INFO L125 PetriNetUnfolderBase]: For 225/246 co-relation queries the response was YES. [2025-01-10 06:43:19,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 380 events. 120/380 cut-off events. For 225/246 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2099 event pairs, 19 based on Foata normal form. 16/340 useless extension candidates. Maximal degree in co-relation 946. Up to 104 conditions per place. [2025-01-10 06:43:19,426 INFO L140 encePairwiseOnDemand]: 22/30 looper letters, 42 selfloop transitions, 10 changer transitions 0/65 dead transitions. [2025-01-10 06:43:19,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 65 transitions, 363 flow [2025-01-10 06:43:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:43:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:43:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2025-01-10 06:43:19,429 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7055555555555556 [2025-01-10 06:43:19,429 INFO L175 Difference]: Start difference. First operand has 41 places, 35 transitions, 140 flow. Second operand 6 states and 127 transitions. [2025-01-10 06:43:19,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 65 transitions, 363 flow [2025-01-10 06:43:19,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 65 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:43:19,433 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 218 flow [2025-01-10 06:43:19,433 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=218, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2025-01-10 06:43:19,433 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 20 predicate places. [2025-01-10 06:43:19,434 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 218 flow [2025-01-10 06:43:19,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-01-10 06:43:19,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:19,434 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:19,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:43:19,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:19,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:19,435 INFO L85 PathProgramCache]: Analyzing trace with hash 143251141, now seen corresponding path program 1 times [2025-01-10 06:43:19,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:19,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899900269] [2025-01-10 06:43:19,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:19,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 06:43:19,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 06:43:19,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:19,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:19,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:19,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899900269] [2025-01-10 06:43:19,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899900269] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:19,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:19,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:19,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760519289] [2025-01-10 06:43:19,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:19,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:43:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:19,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:43:19,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:43:19,508 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:19,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 218 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-01-10 06:43:19,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:19,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:19,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:19,618 INFO L124 PetriNetUnfolderBase]: 134/463 cut-off events. [2025-01-10 06:43:19,618 INFO L125 PetriNetUnfolderBase]: For 764/779 co-relation queries the response was YES. [2025-01-10 06:43:19,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 463 events. 134/463 cut-off events. For 764/779 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2737 event pairs, 20 based on Foata normal form. 27/469 useless extension candidates. Maximal degree in co-relation 1309. Up to 203 conditions per place. [2025-01-10 06:43:19,621 INFO L140 encePairwiseOnDemand]: 21/30 looper letters, 37 selfloop transitions, 20 changer transitions 0/70 dead transitions. [2025-01-10 06:43:19,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 70 transitions, 477 flow [2025-01-10 06:43:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:43:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-01-10 06:43:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2025-01-10 06:43:19,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6619047619047619 [2025-01-10 06:43:19,622 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 218 flow. Second operand 7 states and 139 transitions. [2025-01-10 06:43:19,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 70 transitions, 477 flow [2025-01-10 06:43:19,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 70 transitions, 465 flow, removed 4 selfloop flow, removed 1 redundant places. [2025-01-10 06:43:19,626 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 370 flow [2025-01-10 06:43:19,627 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=370, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2025-01-10 06:43:19,627 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 28 predicate places. [2025-01-10 06:43:19,627 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 370 flow [2025-01-10 06:43:19,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-01-10 06:43:19,627 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:19,627 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:19,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:43:19,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:19,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1056889245, now seen corresponding path program 1 times [2025-01-10 06:43:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:19,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443814893] [2025-01-10 06:43:19,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:19,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 06:43:19,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 06:43:19,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:19,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:19,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443814893] [2025-01-10 06:43:19,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443814893] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:19,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:19,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:19,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746706427] [2025-01-10 06:43:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:19,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:43:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:19,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:43:19,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:43:19,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 30 [2025-01-10 06:43:19,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 370 flow. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:19,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:19,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 30 [2025-01-10 06:43:19,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:19,832 INFO L124 PetriNetUnfolderBase]: 171/545 cut-off events. [2025-01-10 06:43:19,833 INFO L125 PetriNetUnfolderBase]: For 1670/1766 co-relation queries the response was YES. [2025-01-10 06:43:19,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 545 events. 171/545 cut-off events. For 1670/1766 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3448 event pairs, 44 based on Foata normal form. 41/554 useless extension candidates. Maximal degree in co-relation 1776. Up to 236 conditions per place. [2025-01-10 06:43:19,836 INFO L140 encePairwiseOnDemand]: 24/30 looper letters, 44 selfloop transitions, 3 changer transitions 0/73 dead transitions. [2025-01-10 06:43:19,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 73 transitions, 604 flow [2025-01-10 06:43:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:43:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:43:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2025-01-10 06:43:19,837 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2025-01-10 06:43:19,837 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 370 flow. Second operand 4 states and 86 transitions. [2025-01-10 06:43:19,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 73 transitions, 604 flow [2025-01-10 06:43:19,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 73 transitions, 581 flow, removed 7 selfloop flow, removed 2 redundant places. [2025-01-10 06:43:19,841 INFO L231 Difference]: Finished difference. Result has 60 places, 55 transitions, 374 flow [2025-01-10 06:43:19,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=374, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2025-01-10 06:43:19,842 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 31 predicate places. [2025-01-10 06:43:19,842 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 374 flow [2025-01-10 06:43:19,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:19,842 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:19,842 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:19,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:43:19,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:19,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:19,843 INFO L85 PathProgramCache]: Analyzing trace with hash 605793425, now seen corresponding path program 1 times [2025-01-10 06:43:19,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:19,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120864449] [2025-01-10 06:43:19,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:19,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:19,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 06:43:19,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 06:43:19,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:19,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:19,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:19,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120864449] [2025-01-10 06:43:19,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120864449] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:19,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:19,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:43:19,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45767550] [2025-01-10 06:43:19,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:19,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:43:19,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:19,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:43:19,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:43:19,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:19,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-01-10 06:43:19,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:19,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:19,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:20,149 INFO L124 PetriNetUnfolderBase]: 124/443 cut-off events. [2025-01-10 06:43:20,152 INFO L125 PetriNetUnfolderBase]: For 1201/1218 co-relation queries the response was YES. [2025-01-10 06:43:20,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1501 conditions, 443 events. 124/443 cut-off events. For 1201/1218 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2713 event pairs, 29 based on Foata normal form. 38/469 useless extension candidates. Maximal degree in co-relation 1473. Up to 228 conditions per place. [2025-01-10 06:43:20,156 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 40 selfloop transitions, 11 changer transitions 0/65 dead transitions. [2025-01-10 06:43:20,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 65 transitions, 516 flow [2025-01-10 06:43:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 06:43:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-10 06:43:20,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 137 transitions. [2025-01-10 06:43:20,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5708333333333333 [2025-01-10 06:43:20,160 INFO L175 Difference]: Start difference. First operand has 60 places, 55 transitions, 374 flow. Second operand 8 states and 137 transitions. [2025-01-10 06:43:20,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 65 transitions, 516 flow [2025-01-10 06:43:20,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 491 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-01-10 06:43:20,164 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 334 flow [2025-01-10 06:43:20,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=334, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2025-01-10 06:43:20,164 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 33 predicate places. [2025-01-10 06:43:20,165 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 334 flow [2025-01-10 06:43:20,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-01-10 06:43:20,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:20,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:20,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:43:20,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:20,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:20,166 INFO L85 PathProgramCache]: Analyzing trace with hash 896849016, now seen corresponding path program 1 times [2025-01-10 06:43:20,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:20,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112262057] [2025-01-10 06:43:20,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:20,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:20,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 06:43:20,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 06:43:20,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:20,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:20,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:20,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112262057] [2025-01-10 06:43:20,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112262057] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:20,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:20,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:43:20,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813122146] [2025-01-10 06:43:20,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:20,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:43:20,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:20,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:43:20,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:43:20,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:20,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-01-10 06:43:20,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:20,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:20,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:20,359 INFO L124 PetriNetUnfolderBase]: 158/540 cut-off events. [2025-01-10 06:43:20,360 INFO L125 PetriNetUnfolderBase]: For 1265/1308 co-relation queries the response was YES. [2025-01-10 06:43:20,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1809 conditions, 540 events. 158/540 cut-off events. For 1265/1308 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3259 event pairs, 20 based on Foata normal form. 39/571 useless extension candidates. Maximal degree in co-relation 1782. Up to 213 conditions per place. [2025-01-10 06:43:20,362 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 47 selfloop transitions, 25 changer transitions 0/86 dead transitions. [2025-01-10 06:43:20,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 86 transitions, 687 flow [2025-01-10 06:43:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:43:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-01-10 06:43:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2025-01-10 06:43:20,364 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.62 [2025-01-10 06:43:20,364 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 334 flow. Second operand 10 states and 186 transitions. [2025-01-10 06:43:20,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 86 transitions, 687 flow [2025-01-10 06:43:20,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 86 transitions, 674 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-10 06:43:20,367 INFO L231 Difference]: Finished difference. Result has 70 places, 61 transitions, 499 flow [2025-01-10 06:43:20,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=499, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2025-01-10 06:43:20,371 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 41 predicate places. [2025-01-10 06:43:20,371 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 499 flow [2025-01-10 06:43:20,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-01-10 06:43:20,371 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:20,371 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:20,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:43:20,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:20,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:20,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1445209513, now seen corresponding path program 1 times [2025-01-10 06:43:20,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:20,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710878832] [2025-01-10 06:43:20,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:20,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:43:20,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:43:20,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:20,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:20,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:20,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710878832] [2025-01-10 06:43:20,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710878832] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:20,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377956442] [2025-01-10 06:43:20,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:20,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:20,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:20,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:20,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 06:43:20,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:43:20,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:43:20,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:20,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:20,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 06:43:20,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:20,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:43:20,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377956442] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:20,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:43:20,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 06:43:20,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125345410] [2025-01-10 06:43:20,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:20,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:43:20,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:20,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:43:20,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:43:20,670 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2025-01-10 06:43:20,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:20,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:20,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2025-01-10 06:43:20,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:20,759 INFO L124 PetriNetUnfolderBase]: 247/674 cut-off events. [2025-01-10 06:43:20,760 INFO L125 PetriNetUnfolderBase]: For 2772/2858 co-relation queries the response was YES. [2025-01-10 06:43:20,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2624 conditions, 674 events. 247/674 cut-off events. For 2772/2858 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4151 event pairs, 33 based on Foata normal form. 53/668 useless extension candidates. Maximal degree in co-relation 2594. Up to 279 conditions per place. [2025-01-10 06:43:20,765 INFO L140 encePairwiseOnDemand]: 26/30 looper letters, 48 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2025-01-10 06:43:20,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 78 transitions, 740 flow [2025-01-10 06:43:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:43:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:43:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2025-01-10 06:43:20,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5916666666666667 [2025-01-10 06:43:20,767 INFO L175 Difference]: Start difference. First operand has 70 places, 61 transitions, 499 flow. Second operand 4 states and 71 transitions. [2025-01-10 06:43:20,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 78 transitions, 740 flow [2025-01-10 06:43:20,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 78 transitions, 674 flow, removed 21 selfloop flow, removed 5 redundant places. [2025-01-10 06:43:20,774 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 463 flow [2025-01-10 06:43:20,774 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=463, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2025-01-10 06:43:20,775 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 38 predicate places. [2025-01-10 06:43:20,775 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 463 flow [2025-01-10 06:43:20,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:20,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:20,775 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 06:43:20,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 06:43:20,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:20,976 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:20,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1851822306, now seen corresponding path program 1 times [2025-01-10 06:43:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:20,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362497272] [2025-01-10 06:43:20,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:20,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:43:20,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:43:20,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:20,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:43:21,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:21,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362497272] [2025-01-10 06:43:21,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362497272] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:21,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:21,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773169279] [2025-01-10 06:43:21,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:21,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:43:21,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:21,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:43:21,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:43:21,043 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2025-01-10 06:43:21,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 463 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2025-01-10 06:43:21,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:21,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2025-01-10 06:43:21,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:21,123 INFO L124 PetriNetUnfolderBase]: 230/661 cut-off events. [2025-01-10 06:43:21,124 INFO L125 PetriNetUnfolderBase]: For 2146/2243 co-relation queries the response was YES. [2025-01-10 06:43:21,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 661 events. 230/661 cut-off events. For 2146/2243 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4026 event pairs, 23 based on Foata normal form. 66/707 useless extension candidates. Maximal degree in co-relation 2480. Up to 239 conditions per place. [2025-01-10 06:43:21,128 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 52 selfloop transitions, 6 changer transitions 0/83 dead transitions. [2025-01-10 06:43:21,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 83 transitions, 738 flow [2025-01-10 06:43:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:43:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:43:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2025-01-10 06:43:21,129 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5916666666666667 [2025-01-10 06:43:21,129 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 463 flow. Second operand 4 states and 71 transitions. [2025-01-10 06:43:21,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 83 transitions, 738 flow [2025-01-10 06:43:21,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 83 transitions, 728 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:43:21,133 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 469 flow [2025-01-10 06:43:21,133 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=469, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2025-01-10 06:43:21,133 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 38 predicate places. [2025-01-10 06:43:21,133 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 469 flow [2025-01-10 06:43:21,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2025-01-10 06:43:21,134 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:21,134 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:21,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:43:21,134 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:21,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1690929854, now seen corresponding path program 1 times [2025-01-10 06:43:21,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:21,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569159900] [2025-01-10 06:43:21,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:21,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:21,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 06:43:21,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 06:43:21,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:21,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:21,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:21,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569159900] [2025-01-10 06:43:21,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569159900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:21,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240547807] [2025-01-10 06:43:21,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:21,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:21,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:21,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 06:43:21,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 06:43:21,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 06:43:21,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:21,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:21,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:43:21,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:21,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:43:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:21,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240547807] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:43:21,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:43:21,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-01-10 06:43:21,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692857786] [2025-01-10 06:43:21,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:43:21,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:43:21,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:21,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:43:21,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:43:21,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:21,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 469 flow. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 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) [2025-01-10 06:43:21,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:21,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:21,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:21,634 INFO L124 PetriNetUnfolderBase]: 261/875 cut-off events. [2025-01-10 06:43:21,634 INFO L125 PetriNetUnfolderBase]: For 4417/4444 co-relation queries the response was YES. [2025-01-10 06:43:21,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3555 conditions, 875 events. 261/875 cut-off events. For 4417/4444 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5400 event pairs, 13 based on Foata normal form. 93/962 useless extension candidates. Maximal degree in co-relation 3526. Up to 226 conditions per place. [2025-01-10 06:43:21,639 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 64 selfloop transitions, 71 changer transitions 0/148 dead transitions. [2025-01-10 06:43:21,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 148 transitions, 1497 flow [2025-01-10 06:43:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 06:43:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-01-10 06:43:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 403 transitions. [2025-01-10 06:43:21,641 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6106060606060606 [2025-01-10 06:43:21,641 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 469 flow. Second operand 22 states and 403 transitions. [2025-01-10 06:43:21,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 148 transitions, 1497 flow [2025-01-10 06:43:21,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 148 transitions, 1464 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:43:21,648 INFO L231 Difference]: Finished difference. Result has 100 places, 109 transitions, 1265 flow [2025-01-10 06:43:21,648 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1265, PETRI_PLACES=100, PETRI_TRANSITIONS=109} [2025-01-10 06:43:21,649 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 71 predicate places. [2025-01-10 06:43:21,649 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 109 transitions, 1265 flow [2025-01-10 06:43:21,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 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) [2025-01-10 06:43:21,649 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:21,649 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:21,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 06:43:21,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:21,850 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:21,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:21,850 INFO L85 PathProgramCache]: Analyzing trace with hash -209365527, now seen corresponding path program 1 times [2025-01-10 06:43:21,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:21,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158975356] [2025-01-10 06:43:21,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:21,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:21,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:43:21,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:43:21,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:21,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:21,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:21,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158975356] [2025-01-10 06:43:21,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158975356] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:21,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482161944] [2025-01-10 06:43:21,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:21,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:21,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:21,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:21,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 06:43:22,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:43:22,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:43:22,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:22,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:22,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:43:22,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:22,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:43:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:22,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482161944] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:43:22,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:43:22,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 06:43:22,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178379889] [2025-01-10 06:43:22,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:43:22,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:43:22,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:43:22,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:43:22,208 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:22,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 109 transitions, 1265 flow. Second operand has 14 states, 14 states have (on average 14.857142857142858) internal successors, (208), 14 states have internal predecessors, (208), 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) [2025-01-10 06:43:22,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:22,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:22,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:22,733 INFO L124 PetriNetUnfolderBase]: 565/1997 cut-off events. [2025-01-10 06:43:22,733 INFO L125 PetriNetUnfolderBase]: For 21270/21367 co-relation queries the response was YES. [2025-01-10 06:43:22,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8853 conditions, 1997 events. 565/1997 cut-off events. For 21270/21367 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 15922 event pairs, 21 based on Foata normal form. 194/2184 useless extension candidates. Maximal degree in co-relation 8808. Up to 483 conditions per place. [2025-01-10 06:43:22,752 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 140 selfloop transitions, 165 changer transitions 0/318 dead transitions. [2025-01-10 06:43:22,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 318 transitions, 4019 flow [2025-01-10 06:43:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-10 06:43:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2025-01-10 06:43:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 630 transitions. [2025-01-10 06:43:22,756 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2025-01-10 06:43:22,756 INFO L175 Difference]: Start difference. First operand has 100 places, 109 transitions, 1265 flow. Second operand 33 states and 630 transitions. [2025-01-10 06:43:22,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 318 transitions, 4019 flow [2025-01-10 06:43:22,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 318 transitions, 3454 flow, removed 270 selfloop flow, removed 5 redundant places. [2025-01-10 06:43:22,805 INFO L231 Difference]: Finished difference. Result has 143 places, 219 transitions, 2847 flow [2025-01-10 06:43:22,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2847, PETRI_PLACES=143, PETRI_TRANSITIONS=219} [2025-01-10 06:43:22,807 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 114 predicate places. [2025-01-10 06:43:22,807 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 219 transitions, 2847 flow [2025-01-10 06:43:22,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.857142857142858) internal successors, (208), 14 states have internal predecessors, (208), 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) [2025-01-10 06:43:22,808 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:22,808 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:22,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:43:23,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:23,009 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:23,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash -770865450, now seen corresponding path program 1 times [2025-01-10 06:43:23,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100056787] [2025-01-10 06:43:23,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:23,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:23,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:43:23,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:43:23,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:23,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:23,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:23,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100056787] [2025-01-10 06:43:23,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100056787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:23,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670614306] [2025-01-10 06:43:23,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:23,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:23,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:23,087 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:23,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:43:23,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:43:23,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:43:23,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:23,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:23,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:43:23,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:23,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:43:23,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670614306] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:23,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:43:23,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-01-10 06:43:23,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308149560] [2025-01-10 06:43:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:23,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:43:23,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:23,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:43:23,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:43:23,239 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 30 [2025-01-10 06:43:23,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 219 transitions, 2847 flow. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2025-01-10 06:43:23,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:23,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 30 [2025-01-10 06:43:23,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:23,491 INFO L124 PetriNetUnfolderBase]: 608/2050 cut-off events. [2025-01-10 06:43:23,491 INFO L125 PetriNetUnfolderBase]: For 32550/32669 co-relation queries the response was YES. [2025-01-10 06:43:23,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10468 conditions, 2050 events. 608/2050 cut-off events. For 32550/32669 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16403 event pairs, 61 based on Foata normal form. 103/2096 useless extension candidates. Maximal degree in co-relation 10406. Up to 604 conditions per place. [2025-01-10 06:43:23,507 INFO L140 encePairwiseOnDemand]: 26/30 looper letters, 200 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2025-01-10 06:43:23,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 289 transitions, 4457 flow [2025-01-10 06:43:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:43:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:43:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2025-01-10 06:43:23,508 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2025-01-10 06:43:23,508 INFO L175 Difference]: Start difference. First operand has 143 places, 219 transitions, 2847 flow. Second operand 6 states and 116 transitions. [2025-01-10 06:43:23,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 289 transitions, 4457 flow [2025-01-10 06:43:23,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 289 transitions, 3596 flow, removed 372 selfloop flow, removed 12 redundant places. [2025-01-10 06:43:23,600 INFO L231 Difference]: Finished difference. Result has 135 places, 218 transitions, 2257 flow [2025-01-10 06:43:23,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2257, PETRI_PLACES=135, PETRI_TRANSITIONS=218} [2025-01-10 06:43:23,600 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 106 predicate places. [2025-01-10 06:43:23,600 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 218 transitions, 2257 flow [2025-01-10 06:43:23,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2025-01-10 06:43:23,600 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:23,601 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 06:43:23,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:43:23,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:43:23,801 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:23,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:23,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1872975212, now seen corresponding path program 1 times [2025-01-10 06:43:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:23,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084117099] [2025-01-10 06:43:23,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:23,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:43:23,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:43:23,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:23,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:43:23,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:23,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084117099] [2025-01-10 06:43:23,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084117099] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:43:23,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:43:23,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:43:23,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807847220] [2025-01-10 06:43:23,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:43:23,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:43:23,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:23,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:43:23,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:43:23,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:23,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 218 transitions, 2257 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:23,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:23,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:23,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:24,143 INFO L124 PetriNetUnfolderBase]: 665/2131 cut-off events. [2025-01-10 06:43:24,144 INFO L125 PetriNetUnfolderBase]: For 28524/28573 co-relation queries the response was YES. [2025-01-10 06:43:24,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9923 conditions, 2131 events. 665/2131 cut-off events. For 28524/28573 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 16809 event pairs, 86 based on Foata normal form. 98/2210 useless extension candidates. Maximal degree in co-relation 9863. Up to 699 conditions per place. [2025-01-10 06:43:24,163 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 187 selfloop transitions, 6 changer transitions 0/276 dead transitions. [2025-01-10 06:43:24,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 276 transitions, 3353 flow [2025-01-10 06:43:24,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:43:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:43:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 74 transitions. [2025-01-10 06:43:24,164 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2025-01-10 06:43:24,164 INFO L175 Difference]: Start difference. First operand has 135 places, 218 transitions, 2257 flow. Second operand 4 states and 74 transitions. [2025-01-10 06:43:24,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 276 transitions, 3353 flow [2025-01-10 06:43:24,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 276 transitions, 3344 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-01-10 06:43:24,215 INFO L231 Difference]: Finished difference. Result has 134 places, 218 transitions, 2264 flow [2025-01-10 06:43:24,215 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2244, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2264, PETRI_PLACES=134, PETRI_TRANSITIONS=218} [2025-01-10 06:43:24,217 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 105 predicate places. [2025-01-10 06:43:24,217 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 218 transitions, 2264 flow [2025-01-10 06:43:24,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:43:24,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:24,217 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:24,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 06:43:24,217 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:24,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:24,217 INFO L85 PathProgramCache]: Analyzing trace with hash -208066488, now seen corresponding path program 1 times [2025-01-10 06:43:24,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:24,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074743456] [2025-01-10 06:43:24,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:24,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:24,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 06:43:24,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 06:43:24,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:24,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:24,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:24,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074743456] [2025-01-10 06:43:24,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074743456] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111174572] [2025-01-10 06:43:24,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:24,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:24,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:24,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:43:24,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 06:43:24,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 06:43:24,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:24,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:24,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 06:43:24,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:24,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:43:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:24,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111174572] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:43:24,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:43:24,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2025-01-10 06:43:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033083356] [2025-01-10 06:43:24,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:43:24,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 06:43:24,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:24,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 06:43:24,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2025-01-10 06:43:24,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:24,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 218 transitions, 2264 flow. Second operand has 19 states, 19 states have (on average 14.789473684210526) internal successors, (281), 19 states have internal predecessors, (281), 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) [2025-01-10 06:43:24,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:24,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:24,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:26,203 INFO L124 PetriNetUnfolderBase]: 1312/4645 cut-off events. [2025-01-10 06:43:26,204 INFO L125 PetriNetUnfolderBase]: For 126881/126957 co-relation queries the response was YES. [2025-01-10 06:43:26,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21108 conditions, 4645 events. 1312/4645 cut-off events. For 126881/126957 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 41495 event pairs, 14 based on Foata normal form. 473/5110 useless extension candidates. Maximal degree in co-relation 21049. Up to 973 conditions per place. [2025-01-10 06:43:26,231 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 237 selfloop transitions, 415 changer transitions 0/664 dead transitions. [2025-01-10 06:43:26,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 664 transitions, 8388 flow [2025-01-10 06:43:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-10 06:43:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2025-01-10 06:43:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 1173 transitions. [2025-01-10 06:43:26,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6409836065573771 [2025-01-10 06:43:26,233 INFO L175 Difference]: Start difference. First operand has 134 places, 218 transitions, 2264 flow. Second operand 61 states and 1173 transitions. [2025-01-10 06:43:26,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 664 transitions, 8388 flow [2025-01-10 06:43:26,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 664 transitions, 8273 flow, removed 26 selfloop flow, removed 2 redundant places. [2025-01-10 06:43:26,321 INFO L231 Difference]: Finished difference. Result has 228 places, 478 transitions, 7142 flow [2025-01-10 06:43:26,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2244, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=7142, PETRI_PLACES=228, PETRI_TRANSITIONS=478} [2025-01-10 06:43:26,323 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 199 predicate places. [2025-01-10 06:43:26,323 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 478 transitions, 7142 flow [2025-01-10 06:43:26,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.789473684210526) internal successors, (281), 19 states have internal predecessors, (281), 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) [2025-01-10 06:43:26,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:26,323 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 06:43:26,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:43:26,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 06:43:26,524 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:26,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:26,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1240108607, now seen corresponding path program 1 times [2025-01-10 06:43:26,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:26,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850173590] [2025-01-10 06:43:26,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:26,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 06:43:26,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 06:43:26,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:26,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:26,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:26,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850173590] [2025-01-10 06:43:26,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850173590] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:26,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841040974] [2025-01-10 06:43:26,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:43:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:26,736 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:26,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:43:26,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 06:43:26,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 06:43:26,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:43:26,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:26,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 06:43:26,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:27,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:43:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:27,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841040974] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:43:27,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:43:27,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2025-01-10 06:43:27,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607220390] [2025-01-10 06:43:27,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:43:27,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-10 06:43:27,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:27,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-10 06:43:27,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2025-01-10 06:43:27,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:27,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 478 transitions, 7142 flow. Second operand has 30 states, 30 states have (on average 14.666666666666666) internal successors, (440), 30 states have internal predecessors, (440), 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) [2025-01-10 06:43:27,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:27,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:27,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:33,018 INFO L124 PetriNetUnfolderBase]: 4348/16213 cut-off events. [2025-01-10 06:43:33,018 INFO L125 PetriNetUnfolderBase]: For 1578401/1578540 co-relation queries the response was YES. [2025-01-10 06:43:33,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83580 conditions, 16213 events. 4348/16213 cut-off events. For 1578401/1578540 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 179054 event pairs, 18 based on Foata normal form. 1364/17570 useless extension candidates. Maximal degree in co-relation 83483. Up to 3825 conditions per place. [2025-01-10 06:43:33,152 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 609 selfloop transitions, 1334 changer transitions 0/1955 dead transitions. [2025-01-10 06:43:33,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1955 transitions, 31652 flow [2025-01-10 06:43:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-01-10 06:43:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2025-01-10 06:43:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 2733 transitions. [2025-01-10 06:43:33,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6649635036496351 [2025-01-10 06:43:33,156 INFO L175 Difference]: Start difference. First operand has 228 places, 478 transitions, 7142 flow. Second operand 137 states and 2733 transitions. [2025-01-10 06:43:33,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1955 transitions, 31652 flow [2025-01-10 06:43:35,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 1955 transitions, 25963 flow, removed 2815 selfloop flow, removed 9 redundant places. [2025-01-10 06:43:35,085 INFO L231 Difference]: Finished difference. Result has 440 places, 1445 transitions, 22123 flow [2025-01-10 06:43:35,085 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=5703, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=137, PETRI_FLOW=22123, PETRI_PLACES=440, PETRI_TRANSITIONS=1445} [2025-01-10 06:43:35,086 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 411 predicate places. [2025-01-10 06:43:35,086 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 1445 transitions, 22123 flow [2025-01-10 06:43:35,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.666666666666666) internal successors, (440), 30 states have internal predecessors, (440), 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) [2025-01-10 06:43:35,086 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:43:35,086 INFO L206 CegarLoopForPetriNet]: trace histogram [11, 11, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:43:35,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 06:43:35,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 06:43:35,287 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:43:35,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:43:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1577929582, now seen corresponding path program 2 times [2025-01-10 06:43:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:43:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857327327] [2025-01-10 06:43:35,288 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:43:35,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:43:35,310 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-01-10 06:43:35,325 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 06:43:35,329 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:43:35,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:35,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:43:35,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857327327] [2025-01-10 06:43:35,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857327327] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:43:35,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856038470] [2025-01-10 06:43:35,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:43:35,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:43:35,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:43:35,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:43:35,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:43:35,855 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-01-10 06:43:35,878 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 06:43:35,878 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:43:35,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:43:35,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 06:43:35,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:43:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:35,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:43:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:43:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856038470] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:43:36,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:43:36,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2025-01-10 06:43:36,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341555234] [2025-01-10 06:43:36,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:43:36,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-10 06:43:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:43:36,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-10 06:43:36,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=757, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 06:43:36,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:43:36,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1445 transitions, 22123 flow. Second operand has 35 states, 35 states have (on average 14.914285714285715) internal successors, (522), 35 states have internal predecessors, (522), 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) [2025-01-10 06:43:36,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:43:36,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:43:36,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:43:56,690 INFO L124 PetriNetUnfolderBase]: 13492/48897 cut-off events. [2025-01-10 06:43:56,690 INFO L125 PetriNetUnfolderBase]: For 16580807/16580948 co-relation queries the response was YES. [2025-01-10 06:43:58,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277640 conditions, 48897 events. 13492/48897 cut-off events. For 16580807/16580948 co-relation queries the response was YES. Maximal size of possible extension queue 1017. Compared 616163 event pairs, 325 based on Foata normal form. 2302/51158 useless extension candidates. Maximal degree in co-relation 277457. Up to 10385 conditions per place. [2025-01-10 06:43:58,403 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 783 selfloop transitions, 5760 changer transitions 0/6555 dead transitions. [2025-01-10 06:43:58,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 6555 transitions, 112476 flow [2025-01-10 06:43:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2025-01-10 06:43:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2025-01-10 06:43:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 2737 transitions. [2025-01-10 06:43:58,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6291954022988506 [2025-01-10 06:43:58,411 INFO L175 Difference]: Start difference. First operand has 440 places, 1445 transitions, 22123 flow. Second operand 145 states and 2737 transitions. [2025-01-10 06:43:58,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 6555 transitions, 112476 flow [2025-01-10 06:44:20,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 6555 transitions, 88052 flow, removed 12087 selfloop flow, removed 23 redundant places. [2025-01-10 06:44:20,861 INFO L231 Difference]: Finished difference. Result has 651 places, 6167 transitions, 92411 flow [2025-01-10 06:44:20,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=17837, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1342, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=145, PETRI_FLOW=92411, PETRI_PLACES=651, PETRI_TRANSITIONS=6167} [2025-01-10 06:44:20,863 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 622 predicate places. [2025-01-10 06:44:20,863 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 6167 transitions, 92411 flow [2025-01-10 06:44:20,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 14.914285714285715) internal successors, (522), 35 states have internal predecessors, (522), 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) [2025-01-10 06:44:20,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:44:20,863 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 06:44:20,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:44:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:44:21,064 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-01-10 06:44:21,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:44:21,065 INFO L85 PathProgramCache]: Analyzing trace with hash -789357071, now seen corresponding path program 2 times [2025-01-10 06:44:21,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:44:21,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145022246] [2025-01-10 06:44:21,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:44:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:44:21,084 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-01-10 06:44:21,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 06:44:21,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:44:21,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:44:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:44:21,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:44:21,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145022246] [2025-01-10 06:44:21,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145022246] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:44:21,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001085499] [2025-01-10 06:44:21,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:44:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:44:21,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:44:21,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:44:21,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:44:21,511 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-01-10 06:44:21,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 06:44:21,541 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:44:21,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:44:21,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 06:44:21,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:44:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:44:21,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:44:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:44:22,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001085499] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:44:22,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:44:22,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 39 [2025-01-10 06:44:22,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794690019] [2025-01-10 06:44:22,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:44:22,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-10 06:44:22,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:44:22,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-10 06:44:22,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1144, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 06:44:22,030 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2025-01-10 06:44:22,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 6167 transitions, 92411 flow. Second operand has 41 states, 41 states have (on average 14.78048780487805) internal successors, (606), 41 states have internal predecessors, (606), 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) [2025-01-10 06:44:22,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:44:22,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2025-01-10 06:44:22,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand