./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:01:14,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:01:14,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-12 00:01:14,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:01:14,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:01:14,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:01:14,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:01:14,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:01:14,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:01:14,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:01:14,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 00:01:14,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 00:01:14,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:01:14,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:01:14,316 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:01:14,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:01:14,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 00:01:14,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:01:14,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:01:14,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:01:14,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:01:14,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 00:01:14,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 00:01:14,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 00:01:14,320 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:01:14,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-12 00:01:14,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:01:14,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:01:14,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:01:14,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:01:14,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:01:14,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:01:14,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 00:01:14,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 00:01:14,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 00:01:14,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:01:14,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 00:01:14,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 00:01:14,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:01:14,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 00:01:14,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 00:01:14,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 00:01:14,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 00:01:14,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 00:01:14,326 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-10-12 00:01:14,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:01:14,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:01:14,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:01:14,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:01:14,671 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:01:14,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-12 00:01:16,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:01:16,292 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:01:16,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-12 00:01:16,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5e5ecdbc4/73239873443447cbb63a21f996c28874/FLAG3178bf6fa [2024-10-12 00:01:16,311 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5e5ecdbc4/73239873443447cbb63a21f996c28874 [2024-10-12 00:01:16,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:01:16,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:01:16,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:01:16,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:01:16,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:01:16,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbb20de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16, skipping insertion in model container [2024-10-12 00:01:16,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:01:16,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:01:16,566 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:01:16,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:01:16,646 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:01:16,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16 WrapperNode [2024-10-12 00:01:16,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:01:16,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:01:16,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:01:16,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:01:16,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,730 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 16, calls inlined = 30, statements flattened = 365 [2024-10-12 00:01:16,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:01:16,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:01:16,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:01:16,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:01:16,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,803 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]. [2024-10-12 00:01:16,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:01:16,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:01:16,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:01:16,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:01:16,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (1/1) ... [2024-10-12 00:01:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 00:01:16,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:01:16,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 00:01:16,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 00:01:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:01:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-12 00:01:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-12 00:01:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-12 00:01:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-12 00:01:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:01:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-12 00:01:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-12 00:01:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:01:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:01:17,000 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-12 00:01:17,142 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:01:17,144 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:01:17,703 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-12 00:01:17,703 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:01:19,295 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:01:19,295 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-12 00:01:19,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:01:19 BoogieIcfgContainer [2024-10-12 00:01:19,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:01:19,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 00:01:19,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 00:01:19,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 00:01:19,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 12:01:16" (1/3) ... [2024-10-12 00:01:19,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e004448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 12:01:19, skipping insertion in model container [2024-10-12 00:01:19,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:01:16" (2/3) ... [2024-10-12 00:01:19,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e004448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 12:01:19, skipping insertion in model container [2024-10-12 00:01:19,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:01:19" (3/3) ... [2024-10-12 00:01:19,307 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2024-10-12 00:01:19,322 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 00:01:19,323 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-10-12 00:01:19,323 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-12 00:01:19,878 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-12 00:01:19,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 64 transitions, 142 flow [2024-10-12 00:01:20,000 INFO L124 PetriNetUnfolderBase]: 0/62 cut-off events. [2024-10-12 00:01:20,001 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-12 00:01:20,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 0/62 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 328 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-12 00:01:20,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 64 transitions, 142 flow [2024-10-12 00:01:20,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 60 transitions, 129 flow [2024-10-12 00:01:20,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 00:01:20,026 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;@71786420, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 00:01:20,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-10-12 00:01:20,032 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-12 00:01:20,032 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-10-12 00:01:20,032 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-12 00:01:20,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:20,033 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:20,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:20,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:20,039 INFO L85 PathProgramCache]: Analyzing trace with hash 49530689, now seen corresponding path program 1 times [2024-10-12 00:01:20,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:20,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092872080] [2024-10-12 00:01:20,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:20,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092872080] [2024-10-12 00:01:20,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092872080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:20,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:20,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278660904] [2024-10-12 00:01:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:20,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 00:01:20,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 00:01:20,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 00:01:20,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:20,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 129 flow. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:20,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:20,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:20,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:21,376 INFO L124 PetriNetUnfolderBase]: 1062/1861 cut-off events. [2024-10-12 00:01:21,376 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-12 00:01:21,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3766 conditions, 1861 events. 1062/1861 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 14782 event pairs, 1062 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 3663. Up to 1843 conditions per place. [2024-10-12 00:01:21,405 INFO L140 encePairwiseOnDemand]: 48/64 looper letters, 42 selfloop transitions, 0 changer transitions 0/44 dead transitions. [2024-10-12 00:01:21,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 181 flow [2024-10-12 00:01:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 00:01:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-12 00:01:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 66 transitions. [2024-10-12 00:01:21,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.515625 [2024-10-12 00:01:21,432 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 129 flow. Second operand 2 states and 66 transitions. [2024-10-12 00:01:21,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 181 flow [2024-10-12 00:01:21,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-12 00:01:21,443 INFO L231 Difference]: Finished difference. Result has 49 places, 44 transitions, 92 flow [2024-10-12 00:01:21,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=92, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2024-10-12 00:01:21,457 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -18 predicate places. [2024-10-12 00:01:21,459 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 92 flow [2024-10-12 00:01:21,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:21,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:21,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:21,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 00:01:21,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:21,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:21,465 INFO L85 PathProgramCache]: Analyzing trace with hash 49530690, now seen corresponding path program 1 times [2024-10-12 00:01:21,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:21,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110608587] [2024-10-12 00:01:21,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:21,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110608587] [2024-10-12 00:01:21,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110608587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:21,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:21,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:21,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955301126] [2024-10-12 00:01:21,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:21,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:21,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:21,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:21,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:21,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:21,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:21,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:21,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:21,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:22,701 INFO L124 PetriNetUnfolderBase]: 952/1673 cut-off events. [2024-10-12 00:01:22,701 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:22,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3368 conditions, 1673 events. 952/1673 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 13007 event pairs, 952 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 3365. Up to 1655 conditions per place. [2024-10-12 00:01:22,708 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 39 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2024-10-12 00:01:22,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 168 flow [2024-10-12 00:01:22,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-10-12 00:01:22,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28125 [2024-10-12 00:01:22,710 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 92 flow. Second operand 3 states and 54 transitions. [2024-10-12 00:01:22,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 168 flow [2024-10-12 00:01:22,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 168 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-12 00:01:22,712 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 90 flow [2024-10-12 00:01:22,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-10-12 00:01:22,713 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -18 predicate places. [2024-10-12 00:01:22,713 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 90 flow [2024-10-12 00:01:22,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:22,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:22,714 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:22,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 00:01:22,714 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:22,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:22,714 INFO L85 PathProgramCache]: Analyzing trace with hash 49530691, now seen corresponding path program 1 times [2024-10-12 00:01:22,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:22,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048380328] [2024-10-12 00:01:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:22,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048380328] [2024-10-12 00:01:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048380328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:22,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:22,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107732142] [2024-10-12 00:01:22,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:22,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:22,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:22,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:22,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:22,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:22,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:22,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:22,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:22,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:23,339 INFO L124 PetriNetUnfolderBase]: 848/1495 cut-off events. [2024-10-12 00:01:23,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:23,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 1495 events. 848/1495 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 11357 event pairs, 848 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 3009. Up to 1478 conditions per place. [2024-10-12 00:01:23,345 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 37 selfloop transitions, 1 changer transitions 0/40 dead transitions. [2024-10-12 00:01:23,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 162 flow [2024-10-12 00:01:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2024-10-12 00:01:23,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2708333333333333 [2024-10-12 00:01:23,348 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 90 flow. Second operand 3 states and 52 transitions. [2024-10-12 00:01:23,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 162 flow [2024-10-12 00:01:23,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 40 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:23,349 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 87 flow [2024-10-12 00:01:23,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2024-10-12 00:01:23,350 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -19 predicate places. [2024-10-12 00:01:23,350 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 87 flow [2024-10-12 00:01:23,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:23,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:23,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:23,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 00:01:23,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:23,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:23,351 INFO L85 PathProgramCache]: Analyzing trace with hash 49530693, now seen corresponding path program 1 times [2024-10-12 00:01:23,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:23,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058961888] [2024-10-12 00:01:23,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058961888] [2024-10-12 00:01:23,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058961888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:23,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:23,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641970472] [2024-10-12 00:01:23,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:23,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:23,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:23,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:23,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:23,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:23,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:23,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:23,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:24,046 INFO L124 PetriNetUnfolderBase]: 750/1327 cut-off events. [2024-10-12 00:01:24,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:24,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2677 conditions, 1327 events. 750/1327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 9891 event pairs, 750 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 2673. Up to 1311 conditions per place. [2024-10-12 00:01:24,052 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 35 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2024-10-12 00:01:24,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 155 flow [2024-10-12 00:01:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-10-12 00:01:24,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2604166666666667 [2024-10-12 00:01:24,057 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 87 flow. Second operand 3 states and 50 transitions. [2024-10-12 00:01:24,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 155 flow [2024-10-12 00:01:24,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 154 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:24,059 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 84 flow [2024-10-12 00:01:24,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-10-12 00:01:24,059 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -20 predicate places. [2024-10-12 00:01:24,060 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 84 flow [2024-10-12 00:01:24,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:24,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:24,060 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:24,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 00:01:24,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:24,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash 49530694, now seen corresponding path program 1 times [2024-10-12 00:01:24,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:24,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507268623] [2024-10-12 00:01:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:24,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:24,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:24,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507268623] [2024-10-12 00:01:24,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507268623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:24,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:24,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:24,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435274604] [2024-10-12 00:01:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:24,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:24,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:24,126 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:24,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:24,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:24,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:24,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:24,801 INFO L124 PetriNetUnfolderBase]: 658/1169 cut-off events. [2024-10-12 00:01:24,802 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:24,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 1169 events. 658/1169 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 8584 event pairs, 658 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 2357. Up to 1154 conditions per place. [2024-10-12 00:01:24,806 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 33 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2024-10-12 00:01:24,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 148 flow [2024-10-12 00:01:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2024-10-12 00:01:24,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-10-12 00:01:24,808 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 84 flow. Second operand 3 states and 48 transitions. [2024-10-12 00:01:24,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 148 flow [2024-10-12 00:01:24,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 36 transitions, 147 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:24,808 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 81 flow [2024-10-12 00:01:24,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-10-12 00:01:24,809 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -21 predicate places. [2024-10-12 00:01:24,809 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 81 flow [2024-10-12 00:01:24,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:24,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:24,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:24,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 00:01:24,810 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash 49530696, now seen corresponding path program 1 times [2024-10-12 00:01:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:24,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928270191] [2024-10-12 00:01:24,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:24,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:24,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928270191] [2024-10-12 00:01:24,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928270191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:24,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:24,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608997111] [2024-10-12 00:01:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:24,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:24,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:24,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:24,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:24,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:24,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:25,382 INFO L124 PetriNetUnfolderBase]: 572/1021 cut-off events. [2024-10-12 00:01:25,382 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:25,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2065 conditions, 1021 events. 572/1021 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 7347 event pairs, 572 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 2061. Up to 1007 conditions per place. [2024-10-12 00:01:25,389 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 31 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2024-10-12 00:01:25,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 141 flow [2024-10-12 00:01:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-10-12 00:01:25,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23958333333333334 [2024-10-12 00:01:25,394 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 46 transitions. [2024-10-12 00:01:25,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 141 flow [2024-10-12 00:01:25,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:25,395 INFO L231 Difference]: Finished difference. Result has 45 places, 34 transitions, 78 flow [2024-10-12 00:01:25,395 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2024-10-12 00:01:25,395 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -22 predicate places. [2024-10-12 00:01:25,396 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 78 flow [2024-10-12 00:01:25,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:25,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:25,396 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:25,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 00:01:25,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:25,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 49530697, now seen corresponding path program 1 times [2024-10-12 00:01:25,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:25,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490143383] [2024-10-12 00:01:25,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490143383] [2024-10-12 00:01:25,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490143383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:25,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:25,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:25,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530225024] [2024-10-12 00:01:25,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:25,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:25,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:25,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:25,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:25,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:25,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:25,952 INFO L124 PetriNetUnfolderBase]: 492/883 cut-off events. [2024-10-12 00:01:25,952 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:25,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1789 conditions, 883 events. 492/883 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 6220 event pairs, 492 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 1785. Up to 870 conditions per place. [2024-10-12 00:01:25,955 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 29 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2024-10-12 00:01:25,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 32 transitions, 134 flow [2024-10-12 00:01:25,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2024-10-12 00:01:25,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22916666666666666 [2024-10-12 00:01:25,956 INFO L175 Difference]: Start difference. First operand has 45 places, 34 transitions, 78 flow. Second operand 3 states and 44 transitions. [2024-10-12 00:01:25,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 32 transitions, 134 flow [2024-10-12 00:01:25,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 32 transitions, 133 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:25,957 INFO L231 Difference]: Finished difference. Result has 44 places, 32 transitions, 75 flow [2024-10-12 00:01:25,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2024-10-12 00:01:25,958 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -23 predicate places. [2024-10-12 00:01:25,958 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 75 flow [2024-10-12 00:01:25,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:25,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:25,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:25,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 00:01:25,959 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:25,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:25,959 INFO L85 PathProgramCache]: Analyzing trace with hash 49530699, now seen corresponding path program 1 times [2024-10-12 00:01:25,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:25,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356907683] [2024-10-12 00:01:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:26,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:26,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356907683] [2024-10-12 00:01:26,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356907683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:26,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:26,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:26,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485157130] [2024-10-12 00:01:26,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:26,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:26,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:26,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:26,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:26,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:26,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:26,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:26,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:26,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:26,344 INFO L124 PetriNetUnfolderBase]: 418/755 cut-off events. [2024-10-12 00:01:26,344 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:26,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1533 conditions, 755 events. 418/755 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 5124 event pairs, 418 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 1529. Up to 743 conditions per place. [2024-10-12 00:01:26,347 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 27 selfloop transitions, 1 changer transitions 0/30 dead transitions. [2024-10-12 00:01:26,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 127 flow [2024-10-12 00:01:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-10-12 00:01:26,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21875 [2024-10-12 00:01:26,348 INFO L175 Difference]: Start difference. First operand has 44 places, 32 transitions, 75 flow. Second operand 3 states and 42 transitions. [2024-10-12 00:01:26,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 127 flow [2024-10-12 00:01:26,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 30 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:26,349 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 72 flow [2024-10-12 00:01:26,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2024-10-12 00:01:26,350 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -24 predicate places. [2024-10-12 00:01:26,350 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 72 flow [2024-10-12 00:01:26,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:26,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:26,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:26,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 00:01:26,351 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:26,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash 49530700, now seen corresponding path program 1 times [2024-10-12 00:01:26,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:26,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519872125] [2024-10-12 00:01:26,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:26,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:26,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:26,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519872125] [2024-10-12 00:01:26,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519872125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:26,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:26,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:26,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019157112] [2024-10-12 00:01:26,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:26,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:26,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:26,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:26,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:26,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:26,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:26,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:26,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:26,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:26,728 INFO L124 PetriNetUnfolderBase]: 350/637 cut-off events. [2024-10-12 00:01:26,728 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:26,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 637 events. 350/637 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 4208 event pairs, 350 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 1293. Up to 626 conditions per place. [2024-10-12 00:01:26,732 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 25 selfloop transitions, 1 changer transitions 0/28 dead transitions. [2024-10-12 00:01:26,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 28 transitions, 120 flow [2024-10-12 00:01:26,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2024-10-12 00:01:26,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20833333333333334 [2024-10-12 00:01:26,734 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 72 flow. Second operand 3 states and 40 transitions. [2024-10-12 00:01:26,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 28 transitions, 120 flow [2024-10-12 00:01:26,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 28 transitions, 119 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:26,734 INFO L231 Difference]: Finished difference. Result has 42 places, 28 transitions, 69 flow [2024-10-12 00:01:26,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2024-10-12 00:01:26,735 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -25 predicate places. [2024-10-12 00:01:26,735 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 69 flow [2024-10-12 00:01:26,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:26,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:26,735 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:26,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 00:01:26,735 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:26,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 49530702, now seen corresponding path program 1 times [2024-10-12 00:01:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:26,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604674539] [2024-10-12 00:01:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:26,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:26,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:26,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604674539] [2024-10-12 00:01:26,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604674539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:26,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430391371] [2024-10-12 00:01:26,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:26,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:26,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:26,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:26,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:26,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:26,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:26,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:26,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:27,126 INFO L124 PetriNetUnfolderBase]: 288/529 cut-off events. [2024-10-12 00:01:27,126 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:27,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 529 events. 288/529 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 3362 event pairs, 288 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 1077. Up to 519 conditions per place. [2024-10-12 00:01:27,129 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 23 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2024-10-12 00:01:27,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 26 transitions, 113 flow [2024-10-12 00:01:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-10-12 00:01:27,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.19791666666666666 [2024-10-12 00:01:27,130 INFO L175 Difference]: Start difference. First operand has 42 places, 28 transitions, 69 flow. Second operand 3 states and 38 transitions. [2024-10-12 00:01:27,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 26 transitions, 113 flow [2024-10-12 00:01:27,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 26 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:27,131 INFO L231 Difference]: Finished difference. Result has 41 places, 26 transitions, 66 flow [2024-10-12 00:01:27,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2024-10-12 00:01:27,131 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -26 predicate places. [2024-10-12 00:01:27,132 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 66 flow [2024-10-12 00:01:27,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:27,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:27,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 00:01:27,133 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:27,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash 49530703, now seen corresponding path program 1 times [2024-10-12 00:01:27,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:27,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128655695] [2024-10-12 00:01:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:27,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:27,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:27,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128655695] [2024-10-12 00:01:27,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128655695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:27,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:27,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:27,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332827713] [2024-10-12 00:01:27,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:27,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:27,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:27,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:27,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:27,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:27,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 26 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:27,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:27,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:27,400 INFO L124 PetriNetUnfolderBase]: 232/431 cut-off events. [2024-10-12 00:01:27,401 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:27,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 431 events. 232/431 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 2584 event pairs, 232 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 881. Up to 422 conditions per place. [2024-10-12 00:01:27,403 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 21 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2024-10-12 00:01:27,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 24 transitions, 106 flow [2024-10-12 00:01:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2024-10-12 00:01:27,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.1875 [2024-10-12 00:01:27,404 INFO L175 Difference]: Start difference. First operand has 41 places, 26 transitions, 66 flow. Second operand 3 states and 36 transitions. [2024-10-12 00:01:27,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 24 transitions, 106 flow [2024-10-12 00:01:27,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 24 transitions, 105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:27,405 INFO L231 Difference]: Finished difference. Result has 40 places, 24 transitions, 63 flow [2024-10-12 00:01:27,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=63, PETRI_PLACES=40, PETRI_TRANSITIONS=24} [2024-10-12 00:01:27,405 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -27 predicate places. [2024-10-12 00:01:27,405 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 24 transitions, 63 flow [2024-10-12 00:01:27,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:27,406 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:27,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 00:01:27,406 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:27,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash 49530705, now seen corresponding path program 1 times [2024-10-12 00:01:27,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:27,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836247074] [2024-10-12 00:01:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:27,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:27,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:27,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836247074] [2024-10-12 00:01:27,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836247074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:27,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:27,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:27,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903894167] [2024-10-12 00:01:27,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:27,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:27,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:27,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:27,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:27,506 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:27,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:27,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:27,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:27,821 INFO L124 PetriNetUnfolderBase]: 182/343 cut-off events. [2024-10-12 00:01:27,821 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:27,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 343 events. 182/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 1970 event pairs, 182 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 705. Up to 335 conditions per place. [2024-10-12 00:01:27,823 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 19 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2024-10-12 00:01:27,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 22 transitions, 99 flow [2024-10-12 00:01:27,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-10-12 00:01:27,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.17708333333333334 [2024-10-12 00:01:27,824 INFO L175 Difference]: Start difference. First operand has 40 places, 24 transitions, 63 flow. Second operand 3 states and 34 transitions. [2024-10-12 00:01:27,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 22 transitions, 99 flow [2024-10-12 00:01:27,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 22 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:27,825 INFO L231 Difference]: Finished difference. Result has 39 places, 22 transitions, 60 flow [2024-10-12 00:01:27,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=39, PETRI_TRANSITIONS=22} [2024-10-12 00:01:27,827 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -28 predicate places. [2024-10-12 00:01:27,827 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 60 flow [2024-10-12 00:01:27,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:27,828 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:27,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 00:01:27,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:27,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:27,828 INFO L85 PathProgramCache]: Analyzing trace with hash 49530706, now seen corresponding path program 1 times [2024-10-12 00:01:27,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469590693] [2024-10-12 00:01:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:27,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469590693] [2024-10-12 00:01:27,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469590693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:27,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:27,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:27,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967163292] [2024-10-12 00:01:27,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:27,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:27,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:27,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:27,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:27,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:27,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:27,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:28,152 INFO L124 PetriNetUnfolderBase]: 138/265 cut-off events. [2024-10-12 00:01:28,153 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:28,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 265 events. 138/265 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1402 event pairs, 138 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 549. Up to 258 conditions per place. [2024-10-12 00:01:28,154 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 17 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2024-10-12 00:01:28,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 20 transitions, 92 flow [2024-10-12 00:01:28,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2024-10-12 00:01:28,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.16666666666666666 [2024-10-12 00:01:28,156 INFO L175 Difference]: Start difference. First operand has 39 places, 22 transitions, 60 flow. Second operand 3 states and 32 transitions. [2024-10-12 00:01:28,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 20 transitions, 92 flow [2024-10-12 00:01:28,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 20 transitions, 91 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:28,157 INFO L231 Difference]: Finished difference. Result has 38 places, 20 transitions, 57 flow [2024-10-12 00:01:28,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=38, PETRI_TRANSITIONS=20} [2024-10-12 00:01:28,157 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -29 predicate places. [2024-10-12 00:01:28,157 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 20 transitions, 57 flow [2024-10-12 00:01:28,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:28,158 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:28,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 00:01:28,158 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash 49530708, now seen corresponding path program 1 times [2024-10-12 00:01:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587695306] [2024-10-12 00:01:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:28,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:28,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587695306] [2024-10-12 00:01:28,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587695306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:28,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:28,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:28,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393260869] [2024-10-12 00:01:28,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:28,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:28,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:28,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:28,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:28,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:28,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 20 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:28,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:28,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:28,397 INFO L124 PetriNetUnfolderBase]: 100/197 cut-off events. [2024-10-12 00:01:28,397 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:28,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 197 events. 100/197 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 966 event pairs, 100 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 413. Up to 191 conditions per place. [2024-10-12 00:01:28,398 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 15 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2024-10-12 00:01:28,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 18 transitions, 85 flow [2024-10-12 00:01:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2024-10-12 00:01:28,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.15625 [2024-10-12 00:01:28,399 INFO L175 Difference]: Start difference. First operand has 38 places, 20 transitions, 57 flow. Second operand 3 states and 30 transitions. [2024-10-12 00:01:28,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 18 transitions, 85 flow [2024-10-12 00:01:28,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 18 transitions, 84 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:28,400 INFO L231 Difference]: Finished difference. Result has 37 places, 18 transitions, 54 flow [2024-10-12 00:01:28,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=37, PETRI_TRANSITIONS=18} [2024-10-12 00:01:28,400 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -30 predicate places. [2024-10-12 00:01:28,400 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 18 transitions, 54 flow [2024-10-12 00:01:28,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:28,401 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:28,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 00:01:28,401 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:28,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 49530709, now seen corresponding path program 1 times [2024-10-12 00:01:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:28,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927318410] [2024-10-12 00:01:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:28,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:28,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:28,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927318410] [2024-10-12 00:01:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927318410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:28,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:28,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:28,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478446677] [2024-10-12 00:01:28,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:28,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:28,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:28,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:28,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:28,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:28,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 18 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:28,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:28,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:28,520 INFO L124 PetriNetUnfolderBase]: 68/139 cut-off events. [2024-10-12 00:01:28,520 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:28,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 139 events. 68/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 601 event pairs, 68 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 297. Up to 134 conditions per place. [2024-10-12 00:01:28,521 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 13 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2024-10-12 00:01:28,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 16 transitions, 78 flow [2024-10-12 00:01:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2024-10-12 00:01:28,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.14583333333333334 [2024-10-12 00:01:28,522 INFO L175 Difference]: Start difference. First operand has 37 places, 18 transitions, 54 flow. Second operand 3 states and 28 transitions. [2024-10-12 00:01:28,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 16 transitions, 78 flow [2024-10-12 00:01:28,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 16 transitions, 77 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:28,522 INFO L231 Difference]: Finished difference. Result has 36 places, 16 transitions, 51 flow [2024-10-12 00:01:28,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=36, PETRI_TRANSITIONS=16} [2024-10-12 00:01:28,523 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -31 predicate places. [2024-10-12 00:01:28,523 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 16 transitions, 51 flow [2024-10-12 00:01:28,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:28,523 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:28,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 00:01:28,523 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:28,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 49530711, now seen corresponding path program 1 times [2024-10-12 00:01:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:28,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360870688] [2024-10-12 00:01:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:28,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:28,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:28,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360870688] [2024-10-12 00:01:28,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360870688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:28,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:28,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:28,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743987216] [2024-10-12 00:01:28,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:28,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:28,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:28,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:28,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:28,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:28,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 16 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:28,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:28,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:28,644 INFO L124 PetriNetUnfolderBase]: 42/91 cut-off events. [2024-10-12 00:01:28,644 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:28,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 91 events. 42/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 337 event pairs, 42 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 201. Up to 87 conditions per place. [2024-10-12 00:01:28,644 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 11 selfloop transitions, 1 changer transitions 0/14 dead transitions. [2024-10-12 00:01:28,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 14 transitions, 71 flow [2024-10-12 00:01:28,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2024-10-12 00:01:28,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.13541666666666666 [2024-10-12 00:01:28,645 INFO L175 Difference]: Start difference. First operand has 36 places, 16 transitions, 51 flow. Second operand 3 states and 26 transitions. [2024-10-12 00:01:28,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 14 transitions, 71 flow [2024-10-12 00:01:28,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 14 transitions, 70 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:28,646 INFO L231 Difference]: Finished difference. Result has 35 places, 14 transitions, 48 flow [2024-10-12 00:01:28,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=35, PETRI_TRANSITIONS=14} [2024-10-12 00:01:28,646 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -32 predicate places. [2024-10-12 00:01:28,647 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 14 transitions, 48 flow [2024-10-12 00:01:28,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:01:28,647 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:01:28,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 00:01:28,647 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-10-12 00:01:28,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:01:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash 49530712, now seen corresponding path program 1 times [2024-10-12 00:01:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:01:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055257558] [2024-10-12 00:01:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:01:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:01:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:01:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:01:28,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:01:28,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055257558] [2024-10-12 00:01:28,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055257558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:01:28,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:01:28,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:01:28,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796395773] [2024-10-12 00:01:28,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:01:28,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:01:28,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:01:28,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:01:28,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:01:28,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 64 [2024-10-12 00:01:28,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 14 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:01:28,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 64 [2024-10-12 00:01:28,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:01:28,735 INFO L124 PetriNetUnfolderBase]: 22/53 cut-off events. [2024-10-12 00:01:28,735 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-12 00:01:28,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 53 events. 22/53 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 22 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 125. Up to 50 conditions per place. [2024-10-12 00:01:28,736 INFO L140 encePairwiseOnDemand]: 61/64 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2024-10-12 00:01:28,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 12 transitions, 64 flow [2024-10-12 00:01:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:01:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:01:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2024-10-12 00:01:28,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.125 [2024-10-12 00:01:28,737 INFO L175 Difference]: Start difference. First operand has 35 places, 14 transitions, 48 flow. Second operand 3 states and 24 transitions. [2024-10-12 00:01:28,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 12 transitions, 64 flow [2024-10-12 00:01:28,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 12 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:01:28,737 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2024-10-12 00:01:28,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2024-10-12 00:01:28,737 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -33 predicate places. [2024-10-12 00:01:28,738 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2024-10-12 00:01:28,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:01:28,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 98 remaining) [2024-10-12 00:01:28,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 98 remaining) [2024-10-12 00:01:28,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 98 remaining) [2024-10-12 00:01:28,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 98 remaining) [2024-10-12 00:01:28,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 98 remaining) [2024-10-12 00:01:28,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 98 remaining) [2024-10-12 00:01:28,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 98 remaining) [2024-10-12 00:01:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 98 remaining) [2024-10-12 00:01:28,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 98 remaining) [2024-10-12 00:01:28,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 98 remaining) [2024-10-12 00:01:28,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 98 remaining) [2024-10-12 00:01:28,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 00:01:28,748 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:01:28,753 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-12 00:01:28,754 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 00:01:28,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 12:01:28 BasicIcfg [2024-10-12 00:01:28,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 00:01:28,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:01:28,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:01:28,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:01:28,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:01:19" (3/4) ... [2024-10-12 00:01:28,760 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-12 00:01:28,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-12 00:01:28,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-12 00:01:28,765 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2024-10-12 00:01:28,766 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-12 00:01:28,766 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-12 00:01:28,766 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-12 00:01:28,827 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:01:28,827 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-12 00:01:28,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:01:28,828 INFO L158 Benchmark]: Toolchain (without parser) took 12513.27ms. Allocated memory was 151.0MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 94.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-10-12 00:01:28,828 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:01:28,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.92ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 81.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.04ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,829 INFO L158 Benchmark]: Boogie Preprocessor took 111.80ms. Allocated memory is still 151.0MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,829 INFO L158 Benchmark]: RCFGBuilder took 2448.15ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 75.2MB in the beginning and 143.2MB in the end (delta: -68.0MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,829 INFO L158 Benchmark]: TraceAbstraction took 9458.95ms. Allocated memory was 239.1MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 143.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 955.8MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,829 INFO L158 Benchmark]: Witness Printer took 69.40ms. Allocated memory is still 2.3GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-12 00:01:28,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.92ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 81.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.04ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.80ms. Allocated memory is still 151.0MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2448.15ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 75.2MB in the beginning and 143.2MB in the end (delta: -68.0MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9458.95ms. Allocated memory was 239.1MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 143.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 955.8MB. Max. memory is 16.1GB. * Witness Printer took 69.40ms. Allocated memory is still 2.3GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 98 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.8s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 0 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-12 00:01:28,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE