./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b03bd7cf Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-b03bd7c-m [2024-10-29 02:41:47,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 02:41:48,062 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-10-29 02:41:48,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 02:41:48,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 02:41:48,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 02:41:48,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 02:41:48,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 02:41:48,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 02:41:48,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 02:41:48,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 02:41:48,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 02:41:48,092 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 02:41:48,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 02:41:48,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 02:41:48,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 02:41:48,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 02:41:48,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 02:41:48,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 02:41:48,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 02:41:48,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 02:41:48,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 02:41:48,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 02:41:48,096 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-29 02:41:48,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 02:41:48,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 02:41:48,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 02:41:48,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 02:41:48,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 02:41:48,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 02:41:48,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-29 02:41:48,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 02:41:48,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-29 02:41:48,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 02:41:48,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 02:41:48,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 02:41:48,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 02:41:48,100 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-29 02:41:48,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 02:41:48,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 02:41:48,101 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-29 02:41:48,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-29 02:41:48,102 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-29 02:41:48,102 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-29 02:41:48,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c [2024-10-29 02:41:48,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 02:41:48,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 02:41:48,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 02:41:48,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 02:41:48,401 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 02:41:48,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-10-29 02:41:49,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 02:41:50,087 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 02:41:50,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-10-29 02:41:50,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ac495fc4/d0d925e98cfb4c91947a2302392a2760/FLAG4023b1b85 [2024-10-29 02:41:50,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7ac495fc4/d0d925e98cfb4c91947a2302392a2760 [2024-10-29 02:41:50,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 02:41:50,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-29 02:41:50,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 02:41:50,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 02:41:50,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 02:41:50,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae62f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50, skipping insertion in model container [2024-10-29 02:41:50,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 02:41:50,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 02:41:50,390 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 02:41:50,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 02:41:50,442 INFO L204 MainTranslator]: Completed translation [2024-10-29 02:41:50,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50 WrapperNode [2024-10-29 02:41:50,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 02:41:50,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 02:41:50,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 02:41:50,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 02:41:50,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,478 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-10-29 02:41:50,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 02:41:50,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 02:41:50,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 02:41:50,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 02:41:50,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 02:41:50,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 02:41:50,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 02:41:50,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 02:41:50,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (1/1) ... [2024-10-29 02:41:50,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-29 02:41:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:50,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-29 02:41:50,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-29 02:41:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 02:41:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-29 02:41:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-29 02:41:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-29 02:41:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-29 02:41:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-29 02:41:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-29 02:41:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 02:41:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-29 02:41:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-29 02:41:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 02:41:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 02:41:50,621 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 02:41:50,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 02:41:50,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 02:41:50,955 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 02:41:50,955 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 02:41:51,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 02:41:51,162 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-29 02:41:51,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:41:51 BoogieIcfgContainer [2024-10-29 02:41:51,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 02:41:51,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 02:41:51,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 02:41:51,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 02:41:51,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:41:50" (1/3) ... [2024-10-29 02:41:51,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bd75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:41:51, skipping insertion in model container [2024-10-29 02:41:51,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:41:50" (2/3) ... [2024-10-29 02:41:51,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bd75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:41:51, skipping insertion in model container [2024-10-29 02:41:51,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:41:51" (3/3) ... [2024-10-29 02:41:51,173 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2024-10-29 02:41:51,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 02:41:51,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-29 02:41:51,190 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 02:41:51,248 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-29 02:41:51,299 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 02:41:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-29 02:41:51,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:51,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-29 02:41:51,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-29 02:41:51,331 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-29 02:41:51,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2024-10-29 02:41:51,347 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=PARTIAL_ORDER_FA, 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;@10b70feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 02:41:51,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-29 02:41:51,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:51,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:51,828 INFO L85 PathProgramCache]: Analyzing trace with hash 722060537, now seen corresponding path program 1 times [2024-10-29 02:41:51,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:51,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208888917] [2024-10-29 02:41:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:51,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:52,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208888917] [2024-10-29 02:41:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208888917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 02:41:52,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 02:41:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 02:41:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441476379] [2024-10-29 02:41:52,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 02:41:52,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 02:41:52,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:52,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 02:41:52,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 02:41:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,159 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:52,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:52,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 02:41:52,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:52,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash 910826054, now seen corresponding path program 1 times [2024-10-29 02:41:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:52,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16160245] [2024-10-29 02:41:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:52,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:52,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16160245] [2024-10-29 02:41:52,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16160245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 02:41:52,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 02:41:52,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 02:41:52,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284316842] [2024-10-29 02:41:52,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 02:41:52,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 02:41:52,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 02:41:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 02:41:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:52,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:52,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 02:41:52,468 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:52,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:52,469 INFO L85 PathProgramCache]: Analyzing trace with hash 910826055, now seen corresponding path program 1 times [2024-10-29 02:41:52,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:52,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792369856] [2024-10-29 02:41:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:52,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:52,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:52,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792369856] [2024-10-29 02:41:52,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792369856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 02:41:52,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 02:41:52,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 02:41:52,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847311243] [2024-10-29 02:41:52,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 02:41:52,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 02:41:52,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:52,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 02:41:52,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 02:41:52,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:52,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:52,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:52,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 02:41:52,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:52,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:52,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1059614873, now seen corresponding path program 1 times [2024-10-29 02:41:52,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:52,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656837558] [2024-10-29 02:41:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:52,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:52,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:52,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656837558] [2024-10-29 02:41:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656837558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 02:41:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 02:41:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 02:41:52,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402744402] [2024-10-29 02:41:52,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 02:41:52,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-29 02:41:52,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:52,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-29 02:41:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-29 02:41:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,828 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:52,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:52,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 02:41:52,935 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:52,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash 281248107, now seen corresponding path program 1 times [2024-10-29 02:41:52,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:52,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891883555] [2024-10-29 02:41:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:53,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891883555] [2024-10-29 02:41:53,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891883555] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:41:53,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722236021] [2024-10-29 02:41:53,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:53,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:53,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:41:53,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-29 02:41:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:53,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-29 02:41:53,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:41:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:53,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:41:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:53,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722236021] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:41:53,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:41:53,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-29 02:41:53,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234171907] [2024-10-29 02:41:53,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:41:53,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-29 02:41:53,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:53,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-29 02:41:53,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-29 02:41:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:53,369 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:53,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:53,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:53,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:53,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:53,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:53,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:53,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-29 02:41:53,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:53,705 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash 955103651, now seen corresponding path program 1 times [2024-10-29 02:41:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268681568] [2024-10-29 02:41:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:53,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:53,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268681568] [2024-10-29 02:41:53,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268681568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:41:53,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802774978] [2024-10-29 02:41:53,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:53,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:53,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:41:53,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-29 02:41:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:54,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-29 02:41:54,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:41:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:54,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:41:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:54,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802774978] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:41:54,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:41:54,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-10-29 02:41:54,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820422487] [2024-10-29 02:41:54,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:41:54,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-29 02:41:54,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-29 02:41:54,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2024-10-29 02:41:54,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:54,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:54,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:54,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:54,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:41:54,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-29 02:41:54,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:54,696 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:54,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:54,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1310872913, now seen corresponding path program 1 times [2024-10-29 02:41:54,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:54,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356973013] [2024-10-29 02:41:54,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:54,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 30 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:55,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356973013] [2024-10-29 02:41:55,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356973013] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:41:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85981323] [2024-10-29 02:41:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:55,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:55,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:55,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:41:55,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-29 02:41:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:55,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-29 02:41:55,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:41:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 30 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:55,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:41:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 30 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:55,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85981323] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:41:55,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:41:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 32 [2024-10-29 02:41:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477990570] [2024-10-29 02:41:55,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:41:55,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-29 02:41:55,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:55,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-29 02:41:55,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2024-10-29 02:41:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:55,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:55,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:41:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:41:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:41:56,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-29 02:41:56,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:56,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:41:56,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:41:56,521 INFO L85 PathProgramCache]: Analyzing trace with hash -526804211, now seen corresponding path program 2 times [2024-10-29 02:41:56,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:41:56,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896129156] [2024-10-29 02:41:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:41:56,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:41:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:41:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:58,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:41:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896129156] [2024-10-29 02:41:58,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896129156] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:41:58,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485680954] [2024-10-29 02:41:58,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-29 02:41:58,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:41:58,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:41:58,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:41:58,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-29 02:41:58,168 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-29 02:41:58,168 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 02:41:58,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-29 02:41:58,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:41:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 30 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:58,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:41:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 30 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:41:59,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485680954] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:41:59,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:41:59,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 32] total 64 [2024-10-29 02:41:59,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837942404] [2024-10-29 02:41:59,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:41:59,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-29 02:41:59,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:41:59,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-29 02:41:59,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2024-10-29 02:41:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:41:59,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:41:59,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.4) internal successors, (286), 64 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:41:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:41:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:42:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:42:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:42:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:42:00,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-29 02:42:00,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-29 02:42:00,893 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:42:00,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:42:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1459449889, now seen corresponding path program 2 times [2024-10-29 02:42:00,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:42:00,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785698118] [2024-10-29 02:42:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:42:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:42:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:42:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:42:05,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785698118] [2024-10-29 02:42:05,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785698118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:42:05,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18578728] [2024-10-29 02:42:05,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-29 02:42:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:42:05,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:42:05,083 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:42:05,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-29 02:42:05,309 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-29 02:42:05,309 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 02:42:05,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-10-29 02:42:05,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:42:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:05,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:42:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:09,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18578728] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:42:09,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:42:09,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 125 [2024-10-29 02:42:09,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781575037] [2024-10-29 02:42:09,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:42:09,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-10-29 02:42:09,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:42:09,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-10-29 02:42:09,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2024-10-29 02:42:09,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:42:09,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:42:09,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 126 states have (on average 4.182539682539683) internal successors, (527), 126 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:42:09,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:42:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:42:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:42:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-10-29 02:42:14,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-29 02:42:14,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:42:14,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:42:14,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:42:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1921011657, now seen corresponding path program 2 times [2024-10-29 02:42:14,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:42:14,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753150037] [2024-10-29 02:42:14,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:42:14,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:42:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:42:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 246 proven. 9800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:27,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:42:27,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753150037] [2024-10-29 02:42:27,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753150037] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:42:27,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847138687] [2024-10-29 02:42:27,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-29 02:42:27,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:42:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:42:27,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:42:27,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-29 02:42:27,641 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-29 02:42:27,641 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 02:42:27,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-10-29 02:42:27,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:42:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 123 proven. 9923 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:28,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:42:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 123 proven. 9923 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:42:43,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847138687] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:42:43,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:42:43,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 124, 124] total 248 [2024-10-29 02:42:43,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235098730] [2024-10-29 02:42:43,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:42:43,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2024-10-29 02:42:43,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:42:43,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2024-10-29 02:42:43,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2024-10-29 02:42:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:42:43,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:42:43,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 4.128514056224899) internal successors, (1028), 248 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:42:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:42:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-10-29 02:42:43,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:43:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:43:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:43:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:43:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:43:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:43:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:43:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:43:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:43:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-10-29 02:43:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-10-29 02:43:25,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-29 02:43:26,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-29 02:43:26,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:43:26,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:43:26,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1563583929, now seen corresponding path program 1 times [2024-10-29 02:43:26,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:43:26,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174176187] [2024-10-29 02:43:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:43:26,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:43:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:44:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 40345 backedges. 574 proven. 39771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:44:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 02:44:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174176187] [2024-10-29 02:44:14,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174176187] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 02:44:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892530503] [2024-10-29 02:44:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:44:14,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:44:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 02:44:14,098 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 02:44:14,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-29 02:44:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 02:44:14,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 247 conjuncts are in the unsatisfiable core [2024-10-29 02:44:14,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 02:44:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 40345 backedges. 574 proven. 39771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:44:15,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 02:45:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 40345 backedges. 574 proven. 39771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 02:45:13,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892530503] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 02:45:13,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 02:45:13,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 247] total 494 [2024-10-29 02:45:13,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385448921] [2024-10-29 02:45:13,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 02:45:13,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 495 states [2024-10-29 02:45:13,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 02:45:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 495 interpolants. [2024-10-29 02:45:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122265, Invalid=122265, Unknown=0, NotChecked=0, Total=244530 [2024-10-29 02:45:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:45:13,378 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 02:45:13,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 495 states, 495 states have (on average 4.052525252525252) internal successors, (2006), 494 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-10-29 02:45:13,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-10-29 02:45:13,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 02:55:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-10-29 02:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-10-29 02:55:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2024-10-29 02:55:30,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-29 02:55:30,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 02:55:30,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 02:55:30,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 02:55:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1333325087, now seen corresponding path program 3 times [2024-10-29 02:55:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 02:55:30,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023355528] [2024-10-29 02:55:30,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 02:55:30,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 02:55:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15