./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:37:40,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:37:40,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:37:40,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:37:40,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:37:40,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:37:40,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:37:40,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:37:40,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:37:40,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:37:40,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:37:40,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:37:40,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:37:40,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:37:40,283 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:37:40,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:37:40,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:37:40,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:37:40,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:37:40,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:37:40,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:37:40,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:37:40,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:37:40,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:37:40,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:37:40,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:37:40,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:37:40,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:37:40,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:37:40,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:37:40,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:37:40,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:37:40,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:37:40,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:37:40,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:37:40,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:37:40,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:37:40,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:37:40,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:37:40,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:37:40,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:37:40,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:37:40,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:37:40,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:37:40,294 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 [2024-10-14 20:37:40,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:37:40,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:37:40,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:37:40,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:37:40,592 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:37:40,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2024-10-14 20:37:42,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:37:42,248 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:37:42,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2024-10-14 20:37:42,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18bd00042/e7c303df557a46c7a552446f98f48f97/FLAGa979da796 [2024-10-14 20:37:42,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18bd00042/e7c303df557a46c7a552446f98f48f97 [2024-10-14 20:37:42,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:37:42,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:37:42,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:37:42,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:37:42,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:37:42,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3db585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42, skipping insertion in model container [2024-10-14 20:37:42,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:37:42,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:37:42,508 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:37:42,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:37:42,547 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:37:42,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42 WrapperNode [2024-10-14 20:37:42,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:37:42,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:37:42,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:37:42,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:37:42,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,596 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-10-14 20:37:42,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:37:42,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:37:42,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:37:42,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:37:42,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,627 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 20:37:42,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:37:42,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:37:42,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:37:42,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:37:42,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (1/1) ... [2024-10-14 20:37:42,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:37:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:42,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:37:42,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:37:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:37:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:37:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:37:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:37:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:37:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:37:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:37:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:37:42,790 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:37:42,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:37:43,501 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-10-14 20:37:43,502 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:37:43,539 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:37:43,541 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:37:43,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:37:43 BoogieIcfgContainer [2024-10-14 20:37:43,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:37:43,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:37:43,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:37:43,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:37:43,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:37:42" (1/3) ... [2024-10-14 20:37:43,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c65522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:37:43, skipping insertion in model container [2024-10-14 20:37:43,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:37:42" (2/3) ... [2024-10-14 20:37:43,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c65522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:37:43, skipping insertion in model container [2024-10-14 20:37:43,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:37:43" (3/3) ... [2024-10-14 20:37:43,552 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound100.c [2024-10-14 20:37:43,569 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:37:43,569 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-10-14 20:37:43,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:37:43,648 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49fccccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:37:43,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-14 20:37:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 69 states have (on average 1.8985507246376812) internal successors, (131), 125 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:37:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:37:43,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:43,664 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:43,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:43,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash 38741639, now seen corresponding path program 1 times [2024-10-14 20:37:43,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:43,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842656718] [2024-10-14 20:37:43,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:43,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1030019760] [2024-10-14 20:37:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:43,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:43,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:37:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:43,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:37:43,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:43,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:43,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842656718] [2024-10-14 20:37:43,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:43,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030019760] [2024-10-14 20:37:43,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030019760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:43,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:43,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797867485] [2024-10-14 20:37:43,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:43,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:43,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:43,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:43,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:43,995 INFO L87 Difference]: Start difference. First operand has 139 states, 69 states have (on average 1.8985507246376812) internal successors, (131), 125 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:44,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:44,422 INFO L93 Difference]: Finished difference Result 359 states and 451 transitions. [2024-10-14 20:37:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:44,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-10-14 20:37:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:44,432 INFO L225 Difference]: With dead ends: 359 [2024-10-14 20:37:44,433 INFO L226 Difference]: Without dead ends: 217 [2024-10-14 20:37:44,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:44,440 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 74 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:44,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 149 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:37:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-14 20:37:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2024-10-14 20:37:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 20:37:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2024-10-14 20:37:44,491 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 25 [2024-10-14 20:37:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:44,492 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2024-10-14 20:37:44,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2024-10-14 20:37:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:37:44,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:44,494 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:44,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:37:44,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 20:37:44,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:44,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1423988951, now seen corresponding path program 1 times [2024-10-14 20:37:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:44,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515591130] [2024-10-14 20:37:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:44,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256510567] [2024-10-14 20:37:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:44,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:44,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:44,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:44,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:37:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:44,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:37:44,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:44,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:44,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515591130] [2024-10-14 20:37:44,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256510567] [2024-10-14 20:37:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256510567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:44,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:44,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383001277] [2024-10-14 20:37:44,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:44,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:44,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:44,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:44,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:44,849 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:45,193 INFO L93 Difference]: Finished difference Result 276 states and 342 transitions. [2024-10-14 20:37:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:45,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-10-14 20:37:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:45,197 INFO L225 Difference]: With dead ends: 276 [2024-10-14 20:37:45,197 INFO L226 Difference]: Without dead ends: 268 [2024-10-14 20:37:45,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:45,199 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:45,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 203 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:37:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-10-14 20:37:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2024-10-14 20:37:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:37:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 309 transitions. [2024-10-14 20:37:45,225 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 309 transitions. Word has length 27 [2024-10-14 20:37:45,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:45,228 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 309 transitions. [2024-10-14 20:37:45,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 309 transitions. [2024-10-14 20:37:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:37:45,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:45,229 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:45,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:37:45,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 20:37:45,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:45,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:45,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1641187275, now seen corresponding path program 1 times [2024-10-14 20:37:45,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209814542] [2024-10-14 20:37:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:45,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748907647] [2024-10-14 20:37:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:45,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:45,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:45,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:45,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:37:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:45,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:37:45,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:45,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:45,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:45,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209814542] [2024-10-14 20:37:45,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:45,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748907647] [2024-10-14 20:37:45,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748907647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:45,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:45,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:45,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205033226] [2024-10-14 20:37:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:45,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:45,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:45,597 INFO L87 Difference]: Start difference. First operand 228 states and 309 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:45,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:45,910 INFO L93 Difference]: Finished difference Result 262 states and 328 transitions. [2024-10-14 20:37:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:45,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-10-14 20:37:45,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:45,913 INFO L225 Difference]: With dead ends: 262 [2024-10-14 20:37:45,913 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 20:37:45,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:45,914 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:45,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 131 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:37:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 20:37:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 193. [2024-10-14 20:37:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 20:37:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2024-10-14 20:37:45,944 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 29 [2024-10-14 20:37:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:45,945 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2024-10-14 20:37:45,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:37:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2024-10-14 20:37:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:37:45,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:45,946 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:45,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:37:46,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:46,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:46,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash 330085702, now seen corresponding path program 1 times [2024-10-14 20:37:46,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:46,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962268073] [2024-10-14 20:37:46,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:46,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:46,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513396405] [2024-10-14 20:37:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:46,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:46,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:46,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:46,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:37:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:46,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:37:46,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:46,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:46,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:46,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962268073] [2024-10-14 20:37:46,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:46,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513396405] [2024-10-14 20:37:46,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513396405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:46,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:46,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:46,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274413632] [2024-10-14 20:37:46,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:46,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:46,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:46,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:46,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:46,281 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:46,613 INFO L93 Difference]: Finished difference Result 355 states and 455 transitions. [2024-10-14 20:37:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:46,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-10-14 20:37:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:46,616 INFO L225 Difference]: With dead ends: 355 [2024-10-14 20:37:46,616 INFO L226 Difference]: Without dead ends: 347 [2024-10-14 20:37:46,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:46,617 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:46,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 199 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:37:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-14 20:37:46,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 272. [2024-10-14 20:37:46,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:46,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 370 transitions. [2024-10-14 20:37:46,638 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 370 transitions. Word has length 36 [2024-10-14 20:37:46,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:46,638 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 370 transitions. [2024-10-14 20:37:46,638 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2024-10-14 20:37:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 20:37:46,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:46,640 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:46,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:37:46,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:46,844 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:46,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:46,844 INFO L85 PathProgramCache]: Analyzing trace with hash -615218232, now seen corresponding path program 1 times [2024-10-14 20:37:46,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:46,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528885749] [2024-10-14 20:37:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:46,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:46,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915865013] [2024-10-14 20:37:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:46,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:46,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:46,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:46,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:37:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:46,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:46,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:47,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:47,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:47,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528885749] [2024-10-14 20:37:47,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:47,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915865013] [2024-10-14 20:37:47,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915865013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:47,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:47,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:47,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058016746] [2024-10-14 20:37:47,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:47,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:47,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:47,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:47,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:47,037 INFO L87 Difference]: Start difference. First operand 272 states and 370 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:47,402 INFO L93 Difference]: Finished difference Result 325 states and 435 transitions. [2024-10-14 20:37:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:47,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-10-14 20:37:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:47,404 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:37:47,405 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:37:47,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:47,406 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 171 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:47,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 158 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:37:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:37:47,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2024-10-14 20:37:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 366 transitions. [2024-10-14 20:37:47,422 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 366 transitions. Word has length 38 [2024-10-14 20:37:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:47,422 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 366 transitions. [2024-10-14 20:37:47,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 366 transitions. [2024-10-14 20:37:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 20:37:47,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:47,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:47,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:37:47,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:47,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:47,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1891895940, now seen corresponding path program 1 times [2024-10-14 20:37:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:47,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680003814] [2024-10-14 20:37:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881765333] [2024-10-14 20:37:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:47,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:47,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:47,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:37:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:47,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:47,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:47,822 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:47,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680003814] [2024-10-14 20:37:47,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881765333] [2024-10-14 20:37:47,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881765333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:47,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:47,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:47,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809824117] [2024-10-14 20:37:47,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:47,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:47,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:47,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:47,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:47,824 INFO L87 Difference]: Start difference. First operand 272 states and 366 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:48,104 INFO L93 Difference]: Finished difference Result 325 states and 431 transitions. [2024-10-14 20:37:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-10-14 20:37:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:48,106 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:37:48,107 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:37:48,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:48,108 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 170 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:48,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 158 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:37:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:37:48,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2024-10-14 20:37:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 362 transitions. [2024-10-14 20:37:48,129 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 362 transitions. Word has length 39 [2024-10-14 20:37:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:48,129 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 362 transitions. [2024-10-14 20:37:48,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 362 transitions. [2024-10-14 20:37:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:37:48,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:48,133 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:48,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:37:48,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:48,334 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:48,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1480768074, now seen corresponding path program 1 times [2024-10-14 20:37:48,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:48,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031106192] [2024-10-14 20:37:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:48,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139896003] [2024-10-14 20:37:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:48,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:48,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:48,375 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:48,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:37:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:48,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:48,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:48,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:48,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:48,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031106192] [2024-10-14 20:37:48,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:48,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139896003] [2024-10-14 20:37:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139896003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:48,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:48,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812632988] [2024-10-14 20:37:48,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:48,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:48,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:48,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:48,473 INFO L87 Difference]: Start difference. First operand 272 states and 362 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:49,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:49,113 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2024-10-14 20:37:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:49,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-10-14 20:37:49,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:49,116 INFO L225 Difference]: With dead ends: 345 [2024-10-14 20:37:49,116 INFO L226 Difference]: Without dead ends: 343 [2024-10-14 20:37:49,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:49,117 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 141 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:49,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 170 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:37:49,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-14 20:37:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 273. [2024-10-14 20:37:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 360 transitions. [2024-10-14 20:37:49,131 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 360 transitions. Word has length 40 [2024-10-14 20:37:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:49,132 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 360 transitions. [2024-10-14 20:37:49,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 360 transitions. [2024-10-14 20:37:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 20:37:49,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:49,133 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:49,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:37:49,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:49,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:49,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:49,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1340829890, now seen corresponding path program 1 times [2024-10-14 20:37:49,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:49,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761488791] [2024-10-14 20:37:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:49,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:49,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732664400] [2024-10-14 20:37:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:49,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:49,374 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:49,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:37:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:49,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:49,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:37:49,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:49,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:49,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761488791] [2024-10-14 20:37:49,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:49,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732664400] [2024-10-14 20:37:49,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732664400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:49,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:49,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:49,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721239255] [2024-10-14 20:37:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:49,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:49,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:49,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:49,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:49,456 INFO L87 Difference]: Start difference. First operand 273 states and 360 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:50,494 INFO L93 Difference]: Finished difference Result 345 states and 431 transitions. [2024-10-14 20:37:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:50,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-10-14 20:37:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:50,498 INFO L225 Difference]: With dead ends: 345 [2024-10-14 20:37:50,498 INFO L226 Difference]: Without dead ends: 343 [2024-10-14 20:37:50,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:50,499 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 140 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:50,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:37:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-14 20:37:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 274. [2024-10-14 20:37:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2024-10-14 20:37:50,517 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 41 [2024-10-14 20:37:50,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:50,518 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2024-10-14 20:37:50,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:37:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2024-10-14 20:37:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 20:37:50,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:50,519 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:50,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:37:50,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-14 20:37:50,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:50,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:50,720 INFO L85 PathProgramCache]: Analyzing trace with hash 44615711, now seen corresponding path program 1 times [2024-10-14 20:37:50,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:50,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395452985] [2024-10-14 20:37:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:50,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173121796] [2024-10-14 20:37:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:50,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:50,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:50,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:50,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:37:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:50,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:50,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:37:50,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:50,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:50,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395452985] [2024-10-14 20:37:50,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:50,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173121796] [2024-10-14 20:37:50,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173121796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:50,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:50,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:50,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078607477] [2024-10-14 20:37:50,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:50,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:50,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:50,870 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:37:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:51,285 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2024-10-14 20:37:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:51,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2024-10-14 20:37:51,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:51,287 INFO L225 Difference]: With dead ends: 296 [2024-10-14 20:37:51,287 INFO L226 Difference]: Without dead ends: 294 [2024-10-14 20:37:51,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:51,288 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 155 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:51,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 169 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:37:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-14 20:37:51,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 275. [2024-10-14 20:37:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 357 transitions. [2024-10-14 20:37:51,301 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 357 transitions. Word has length 49 [2024-10-14 20:37:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:51,302 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 357 transitions. [2024-10-14 20:37:51,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:37:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2024-10-14 20:37:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 20:37:51,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:51,303 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:51,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 20:37:51,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:51,504 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:51,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1383087122, now seen corresponding path program 1 times [2024-10-14 20:37:51,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:51,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618063767] [2024-10-14 20:37:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:51,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:51,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932699869] [2024-10-14 20:37:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:51,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:51,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:51,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:51,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:37:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:51,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:51,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:37:51,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:51,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:51,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618063767] [2024-10-14 20:37:51,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:51,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932699869] [2024-10-14 20:37:51,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932699869] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:51,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:51,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:51,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506129243] [2024-10-14 20:37:51,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:51,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:51,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:51,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:51,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:51,648 INFO L87 Difference]: Start difference. First operand 275 states and 357 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:37:52,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:52,091 INFO L93 Difference]: Finished difference Result 296 states and 374 transitions. [2024-10-14 20:37:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:52,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-10-14 20:37:52,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:52,093 INFO L225 Difference]: With dead ends: 296 [2024-10-14 20:37:52,093 INFO L226 Difference]: Without dead ends: 294 [2024-10-14 20:37:52,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:52,094 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 154 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:52,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 169 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:37:52,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-14 20:37:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276. [2024-10-14 20:37:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 356 transitions. [2024-10-14 20:37:52,107 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 356 transitions. Word has length 50 [2024-10-14 20:37:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:52,108 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 356 transitions. [2024-10-14 20:37:52,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:37:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 356 transitions. [2024-10-14 20:37:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:37:52,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:52,109 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:52,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:37:52,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 20:37:52,310 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:52,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:52,310 INFO L85 PathProgramCache]: Analyzing trace with hash -73972095, now seen corresponding path program 1 times [2024-10-14 20:37:52,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:52,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340256989] [2024-10-14 20:37:52,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:52,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:52,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066047213] [2024-10-14 20:37:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:52,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:52,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:37:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:52,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:52,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:37:52,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:52,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:52,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340256989] [2024-10-14 20:37:52,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:52,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066047213] [2024-10-14 20:37:52,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066047213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:52,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:52,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:52,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020608740] [2024-10-14 20:37:52,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:52,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:52,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:52,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:52,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:52,435 INFO L87 Difference]: Start difference. First operand 276 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:37:53,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:53,175 INFO L93 Difference]: Finished difference Result 304 states and 363 transitions. [2024-10-14 20:37:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:53,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-10-14 20:37:53,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:53,178 INFO L225 Difference]: With dead ends: 304 [2024-10-14 20:37:53,178 INFO L226 Difference]: Without dead ends: 302 [2024-10-14 20:37:53,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:53,179 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 127 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:53,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 200 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:37:53,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-14 20:37:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 277. [2024-10-14 20:37:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 355 transitions. [2024-10-14 20:37:53,193 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 355 transitions. Word has length 51 [2024-10-14 20:37:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:53,193 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 355 transitions. [2024-10-14 20:37:53,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:37:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 355 transitions. [2024-10-14 20:37:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:37:53,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:53,195 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:53,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 20:37:53,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 20:37:53,396 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:53,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2001832436, now seen corresponding path program 1 times [2024-10-14 20:37:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:53,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513457818] [2024-10-14 20:37:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:53,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670623968] [2024-10-14 20:37:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:53,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:53,415 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:53,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:37:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:53,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:37:53,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:37:53,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:53,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:53,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513457818] [2024-10-14 20:37:53,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:53,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670623968] [2024-10-14 20:37:53,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670623968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:53,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:53,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:37:53,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938344898] [2024-10-14 20:37:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:53,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:53,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:53,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:53,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:53,628 INFO L87 Difference]: Start difference. First operand 277 states and 355 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:37:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:54,264 INFO L93 Difference]: Finished difference Result 304 states and 360 transitions. [2024-10-14 20:37:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:37:54,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-10-14 20:37:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:54,267 INFO L225 Difference]: With dead ends: 304 [2024-10-14 20:37:54,267 INFO L226 Difference]: Without dead ends: 302 [2024-10-14 20:37:54,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:37:54,268 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 126 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:54,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 203 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:37:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-14 20:37:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 278. [2024-10-14 20:37:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2024-10-14 20:37:54,288 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 52 [2024-10-14 20:37:54,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:54,289 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2024-10-14 20:37:54,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:37:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2024-10-14 20:37:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 20:37:54,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:54,294 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:54,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:37:54,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 20:37:54,494 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:54,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1959843167, now seen corresponding path program 1 times [2024-10-14 20:37:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954122608] [2024-10-14 20:37:54,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:54,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:54,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954122608] [2024-10-14 20:37:54,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954122608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:54,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:54,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21845194] [2024-10-14 20:37:54,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:54,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:54,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:54,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:54,609 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:37:54,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:54,650 INFO L93 Difference]: Finished difference Result 278 states and 354 transitions. [2024-10-14 20:37:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:54,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2024-10-14 20:37:54,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:54,653 INFO L225 Difference]: With dead ends: 278 [2024-10-14 20:37:54,653 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:37:54,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:54,654 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:54,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 206 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:37:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:37:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:37:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 348 transitions. [2024-10-14 20:37:54,666 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 348 transitions. Word has length 59 [2024-10-14 20:37:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:54,666 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 348 transitions. [2024-10-14 20:37:54,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:37:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 348 transitions. [2024-10-14 20:37:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 20:37:54,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:54,667 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:54,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:37:54,668 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:54,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:54,668 INFO L85 PathProgramCache]: Analyzing trace with hash -625595905, now seen corresponding path program 1 times [2024-10-14 20:37:54,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:54,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899726862] [2024-10-14 20:37:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:54,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:54,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:54,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899726862] [2024-10-14 20:37:54,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899726862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:54,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:54,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338337956] [2024-10-14 20:37:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:54,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:54,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:54,739 INFO L87 Difference]: Start difference. First operand 276 states and 348 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:37:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:54,774 INFO L93 Difference]: Finished difference Result 276 states and 348 transitions. [2024-10-14 20:37:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:54,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-10-14 20:37:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:54,776 INFO L225 Difference]: With dead ends: 276 [2024-10-14 20:37:54,776 INFO L226 Difference]: Without dead ends: 274 [2024-10-14 20:37:54,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:54,777 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:54,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 205 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:37:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-14 20:37:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-10-14 20:37:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 340 transitions. [2024-10-14 20:37:54,790 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 340 transitions. Word has length 60 [2024-10-14 20:37:54,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:54,791 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 340 transitions. [2024-10-14 20:37:54,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:37:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 340 transitions. [2024-10-14 20:37:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:37:54,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:54,792 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:54,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 20:37:54,792 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:54,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2081391361, now seen corresponding path program 1 times [2024-10-14 20:37:54,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:54,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934587777] [2024-10-14 20:37:54,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:54,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934587777] [2024-10-14 20:37:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934587777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:54,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:54,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:37:54,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344090890] [2024-10-14 20:37:54,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:54,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:37:54,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:37:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:37:54,897 INFO L87 Difference]: Start difference. First operand 274 states and 340 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:37:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:55,640 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-10-14 20:37:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:37:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-14 20:37:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:55,642 INFO L225 Difference]: With dead ends: 277 [2024-10-14 20:37:55,642 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:37:55,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:37:55,643 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:55,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 158 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:37:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:37:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:37:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.482233502538071) internal successors, (292), 248 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 342 transitions. [2024-10-14 20:37:55,656 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 342 transitions. Word has length 61 [2024-10-14 20:37:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:55,656 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 342 transitions. [2024-10-14 20:37:55,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:37:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 342 transitions. [2024-10-14 20:37:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:37:55,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:55,657 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:55,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 20:37:55,658 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:55,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:55,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2081405263, now seen corresponding path program 1 times [2024-10-14 20:37:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:55,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967818213] [2024-10-14 20:37:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:55,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:55,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:55,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967818213] [2024-10-14 20:37:55,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967818213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:55,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:55,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:37:55,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267482637] [2024-10-14 20:37:55,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:55,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:37:55,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:55,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:37:55,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:37:55,791 INFO L87 Difference]: Start difference. First operand 276 states and 342 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:37:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:56,331 INFO L93 Difference]: Finished difference Result 277 states and 342 transitions. [2024-10-14 20:37:56,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:37:56,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-14 20:37:56,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:56,333 INFO L225 Difference]: With dead ends: 277 [2024-10-14 20:37:56,333 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:37:56,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:37:56,334 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:56,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 158 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:37:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:37:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:37:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.4771573604060915) internal successors, (291), 248 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 341 transitions. [2024-10-14 20:37:56,358 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 341 transitions. Word has length 61 [2024-10-14 20:37:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:56,358 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 341 transitions. [2024-10-14 20:37:56,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:37:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 341 transitions. [2024-10-14 20:37:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 20:37:56,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:56,359 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:56,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 20:37:56,359 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:56,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:56,359 INFO L85 PathProgramCache]: Analyzing trace with hash 287282565, now seen corresponding path program 1 times [2024-10-14 20:37:56,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832907577] [2024-10-14 20:37:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:56,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:56,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832907577] [2024-10-14 20:37:56,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832907577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:56,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:37:56,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:37:56,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354728819] [2024-10-14 20:37:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:56,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:37:56,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:37:56,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:56,458 INFO L87 Difference]: Start difference. First operand 276 states and 341 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:56,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:56,697 INFO L93 Difference]: Finished difference Result 333 states and 409 transitions. [2024-10-14 20:37:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:56,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-10-14 20:37:56,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:56,699 INFO L225 Difference]: With dead ends: 333 [2024-10-14 20:37:56,699 INFO L226 Difference]: Without dead ends: 329 [2024-10-14 20:37:56,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:37:56,700 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 43 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:56,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 145 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:37:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-14 20:37:56,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 286. [2024-10-14 20:37:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 207 states have (on average 1.458937198067633) internal successors, (302), 258 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 352 transitions. [2024-10-14 20:37:56,717 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 352 transitions. Word has length 64 [2024-10-14 20:37:56,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:56,718 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 352 transitions. [2024-10-14 20:37:56,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 352 transitions. [2024-10-14 20:37:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-14 20:37:56,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:56,719 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:56,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:37:56,719 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:56,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:56,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1909443445, now seen corresponding path program 1 times [2024-10-14 20:37:56,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:56,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427758923] [2024-10-14 20:37:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:56,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009095709] [2024-10-14 20:37:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:56,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:56,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:56,738 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:56,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:37:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:56,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:37:56,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:56,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:37:57,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:57,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427758923] [2024-10-14 20:37:57,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:57,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009095709] [2024-10-14 20:37:57,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009095709] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:37:57,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:37:57,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-14 20:37:57,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468002637] [2024-10-14 20:37:57,117 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:37:57,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:57,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:57,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:57,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:37:57,119 INFO L87 Difference]: Start difference. First operand 286 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:57,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:57,623 INFO L93 Difference]: Finished difference Result 327 states and 403 transitions. [2024-10-14 20:37:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:57,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2024-10-14 20:37:57,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:57,625 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:37:57,625 INFO L226 Difference]: Without dead ends: 325 [2024-10-14 20:37:57,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:37:57,626 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:57,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 185 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:37:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-14 20:37:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 287. [2024-10-14 20:37:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4519230769230769) internal successors, (302), 259 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2024-10-14 20:37:57,643 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 67 [2024-10-14 20:37:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:57,643 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2024-10-14 20:37:57,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2024-10-14 20:37:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-14 20:37:57,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:57,644 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:57,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:37:57,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 20:37:57,845 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:57,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:57,845 INFO L85 PathProgramCache]: Analyzing trace with hash -936795298, now seen corresponding path program 1 times [2024-10-14 20:37:57,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:57,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765248227] [2024-10-14 20:37:57,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:57,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:37:57,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401034196] [2024-10-14 20:37:57,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:57,861 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:57,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:37:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:57,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:37:57,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:37:58,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:37:58,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:58,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765248227] [2024-10-14 20:37:58,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:37:58,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401034196] [2024-10-14 20:37:58,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401034196] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:37:58,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:37:58,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-14 20:37:58,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959948928] [2024-10-14 20:37:58,618 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:37:58,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:58,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:58,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:58,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:37:58,619 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:59,101 INFO L93 Difference]: Finished difference Result 327 states and 401 transitions. [2024-10-14 20:37:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:37:59,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-10-14 20:37:59,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:59,103 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:37:59,103 INFO L226 Difference]: Without dead ends: 325 [2024-10-14 20:37:59,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:37:59,104 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:59,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 189 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:37:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-14 20:37:59,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 288. [2024-10-14 20:37:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.444976076555024) internal successors, (302), 260 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:37:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 352 transitions. [2024-10-14 20:37:59,119 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 352 transitions. Word has length 68 [2024-10-14 20:37:59,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:37:59,119 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 352 transitions. [2024-10-14 20:37:59,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:37:59,120 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 352 transitions. [2024-10-14 20:37:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:37:59,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:37:59,120 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:37:59,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:37:59,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:59,325 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:37:59,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:37:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 169429588, now seen corresponding path program 1 times [2024-10-14 20:37:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:37:59,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583513689] [2024-10-14 20:37:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:37:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:37:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:37:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:37:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:37:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:37:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:37:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:37:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 20:37:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:37:59,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:37:59,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583513689] [2024-10-14 20:37:59,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583513689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:37:59,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426620278] [2024-10-14 20:37:59,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:37:59,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:37:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:37:59,513 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:37:59,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:37:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:37:59,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:37:59,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:37:59,765 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:37:59,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426620278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:37:59,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:37:59,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:37:59,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166852485] [2024-10-14 20:37:59,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:37:59,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:37:59,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:59,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:37:59,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:37:59,766 INFO L87 Difference]: Start difference. First operand 288 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:38:00,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:00,306 INFO L93 Difference]: Finished difference Result 324 states and 399 transitions. [2024-10-14 20:38:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:38:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-10-14 20:38:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:00,308 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:38:00,308 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:00,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:38:00,309 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:00,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 135 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:00,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 289. [2024-10-14 20:38:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.438095238095238) internal successors, (302), 261 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 352 transitions. [2024-10-14 20:38:00,324 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 352 transitions. Word has length 72 [2024-10-14 20:38:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:00,324 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 352 transitions. [2024-10-14 20:38:00,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:38:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 352 transitions. [2024-10-14 20:38:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:38:00,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:00,325 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:00,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:00,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:00,526 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:00,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:00,526 INFO L85 PathProgramCache]: Analyzing trace with hash 628819385, now seen corresponding path program 1 times [2024-10-14 20:38:00,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:00,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236788257] [2024-10-14 20:38:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:00,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:00,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735784652] [2024-10-14 20:38:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:00,541 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:00,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:38:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:00,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:00,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-14 20:38:00,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:00,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236788257] [2024-10-14 20:38:00,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735784652] [2024-10-14 20:38:00,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735784652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:00,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:00,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:00,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660771884] [2024-10-14 20:38:00,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:00,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:00,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:00,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:00,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:00,659 INFO L87 Difference]: Start difference. First operand 289 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:01,211 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2024-10-14 20:38:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:01,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-10-14 20:38:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:01,213 INFO L225 Difference]: With dead ends: 340 [2024-10-14 20:38:01,213 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 20:38:01,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:01,214 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 110 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:01,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 166 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:01,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 20:38:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 289. [2024-10-14 20:38:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 351 transitions. [2024-10-14 20:38:01,231 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 351 transitions. Word has length 71 [2024-10-14 20:38:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:01,231 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 351 transitions. [2024-10-14 20:38:01,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 351 transitions. [2024-10-14 20:38:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 20:38:01,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:01,233 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:01,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:01,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:01,438 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:01,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:01,438 INFO L85 PathProgramCache]: Analyzing trace with hash 957350077, now seen corresponding path program 1 times [2024-10-14 20:38:01,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:01,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951004081] [2024-10-14 20:38:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 20:38:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:38:01,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:01,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951004081] [2024-10-14 20:38:01,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951004081] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:01,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373056764] [2024-10-14 20:38:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:01,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:01,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:01,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:01,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:38:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:01,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:38:01,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:38:01,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:01,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373056764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:01,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:01,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:38:01,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970810657] [2024-10-14 20:38:01,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:01,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:01,864 INFO L87 Difference]: Start difference. First operand 289 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:38:02,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:02,356 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2024-10-14 20:38:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:02,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-10-14 20:38:02,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:02,360 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:38:02,360 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:02,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:38:02,361 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:02,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 141 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:02,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2024-10-14 20:38:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4265402843601895) internal successors, (301), 262 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2024-10-14 20:38:02,379 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 73 [2024-10-14 20:38:02,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:02,379 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2024-10-14 20:38:02,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:38:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2024-10-14 20:38:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:38:02,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:02,380 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:02,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:38:02,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:02,581 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:02,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:02,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1981435486, now seen corresponding path program 1 times [2024-10-14 20:38:02,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:02,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796625080] [2024-10-14 20:38:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845010975] [2024-10-14 20:38:02,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:02,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:02,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:02,601 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:02,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:38:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:02,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:02,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:38:02,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:02,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:02,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796625080] [2024-10-14 20:38:02,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:02,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845010975] [2024-10-14 20:38:02,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845010975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:02,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:02,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:02,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069923583] [2024-10-14 20:38:02,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:02,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:02,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:02,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:02,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:02,805 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:04,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:04,001 INFO L93 Difference]: Finished difference Result 342 states and 394 transitions. [2024-10-14 20:38:04,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:04,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-10-14 20:38:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:04,003 INFO L225 Difference]: With dead ends: 342 [2024-10-14 20:38:04,003 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 20:38:04,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:04,004 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 74 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:04,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 218 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 20:38:04,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 20:38:04,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 293. [2024-10-14 20:38:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 265 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 354 transitions. [2024-10-14 20:38:04,019 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 354 transitions. Word has length 72 [2024-10-14 20:38:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:04,019 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 354 transitions. [2024-10-14 20:38:04,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 354 transitions. [2024-10-14 20:38:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 20:38:04,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:04,020 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:04,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:38:04,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:04,221 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:04,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1002095526, now seen corresponding path program 1 times [2024-10-14 20:38:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179635428] [2024-10-14 20:38:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:04,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:04,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378516139] [2024-10-14 20:38:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:04,243 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:04,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:38:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:04,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:04,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:04,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:04,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179635428] [2024-10-14 20:38:04,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378516139] [2024-10-14 20:38:04,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378516139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:04,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:04,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:04,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321460451] [2024-10-14 20:38:04,869 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:04,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:04,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:04,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:04,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:04,870 INFO L87 Difference]: Start difference. First operand 293 states and 354 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:05,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:05,715 INFO L93 Difference]: Finished difference Result 457 states and 586 transitions. [2024-10-14 20:38:05,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:38:05,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 78 [2024-10-14 20:38:05,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:05,718 INFO L225 Difference]: With dead ends: 457 [2024-10-14 20:38:05,718 INFO L226 Difference]: Without dead ends: 455 [2024-10-14 20:38:05,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:38:05,719 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 529 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:05,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 322 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:38:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-10-14 20:38:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 363. [2024-10-14 20:38:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 276 states have (on average 1.4565217391304348) internal successors, (402), 327 states have internal predecessors, (402), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 20:38:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 468 transitions. [2024-10-14 20:38:05,739 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 468 transitions. Word has length 78 [2024-10-14 20:38:05,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:05,740 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 468 transitions. [2024-10-14 20:38:05,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 468 transitions. [2024-10-14 20:38:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 20:38:05,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:05,741 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:05,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:38:05,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:05,945 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:05,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1000190298, now seen corresponding path program 1 times [2024-10-14 20:38:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941176986] [2024-10-14 20:38:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1891894696] [2024-10-14 20:38:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:05,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:05,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:05,969 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:05,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:38:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:06,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:06,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:06,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:08,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941176986] [2024-10-14 20:38:08,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891894696] [2024-10-14 20:38:08,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891894696] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:08,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:08,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628734570] [2024-10-14 20:38:08,853 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:08,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:08,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-10-14 20:38:08,854 INFO L87 Difference]: Start difference. First operand 363 states and 468 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:09,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:09,893 INFO L93 Difference]: Finished difference Result 477 states and 616 transitions. [2024-10-14 20:38:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:38:09,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-10-14 20:38:09,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:09,895 INFO L225 Difference]: With dead ends: 477 [2024-10-14 20:38:09,895 INFO L226 Difference]: Without dead ends: 470 [2024-10-14 20:38:09,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=97, Invalid=244, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:38:09,896 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 437 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:09,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 342 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:38:09,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-14 20:38:09,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 423. [2024-10-14 20:38:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 330 states have (on average 1.4878787878787878) internal successors, (491), 381 states have internal predecessors, (491), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 20:38:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 569 transitions. [2024-10-14 20:38:09,918 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 569 transitions. Word has length 79 [2024-10-14 20:38:09,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:09,918 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 569 transitions. [2024-10-14 20:38:09,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:09,919 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 569 transitions. [2024-10-14 20:38:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 20:38:09,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:09,919 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:09,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:10,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 20:38:10,120 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:10,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:10,120 INFO L85 PathProgramCache]: Analyzing trace with hash 941128232, now seen corresponding path program 1 times [2024-10-14 20:38:10,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:10,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553125464] [2024-10-14 20:38:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:10,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431067248] [2024-10-14 20:38:10,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:10,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:10,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:10,146 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:10,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:38:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:10,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:10,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:10,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:10,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:10,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553125464] [2024-10-14 20:38:10,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:10,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431067248] [2024-10-14 20:38:10,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431067248] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:10,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:10,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:10,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12572515] [2024-10-14 20:38:10,772 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:10,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:10,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:10,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:10,775 INFO L87 Difference]: Start difference. First operand 423 states and 569 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:11,617 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2024-10-14 20:38:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:11,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-10-14 20:38:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:11,620 INFO L225 Difference]: With dead ends: 469 [2024-10-14 20:38:11,620 INFO L226 Difference]: Without dead ends: 463 [2024-10-14 20:38:11,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:38:11,620 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 420 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:11,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 269 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:38:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-14 20:38:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2024-10-14 20:38:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 379 states have internal predecessors, (475), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 20:38:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 553 transitions. [2024-10-14 20:38:11,646 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 553 transitions. Word has length 80 [2024-10-14 20:38:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:11,647 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 553 transitions. [2024-10-14 20:38:11,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 553 transitions. [2024-10-14 20:38:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 20:38:11,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:11,648 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:11,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:11,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:38:11,850 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:11,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash -889795812, now seen corresponding path program 1 times [2024-10-14 20:38:11,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:11,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006654680] [2024-10-14 20:38:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:11,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:11,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372616472] [2024-10-14 20:38:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:11,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:11,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:11,868 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:11,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:38:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:11,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:11,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:12,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:12,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006654680] [2024-10-14 20:38:12,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372616472] [2024-10-14 20:38:12,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372616472] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:12,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:12,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547961549] [2024-10-14 20:38:12,965 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:12,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:12,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:12,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:12,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:12,966 INFO L87 Difference]: Start difference. First operand 421 states and 553 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:13,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:13,933 INFO L93 Difference]: Finished difference Result 523 states and 688 transitions. [2024-10-14 20:38:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:13,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-10-14 20:38:13,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:13,935 INFO L225 Difference]: With dead ends: 523 [2024-10-14 20:38:13,935 INFO L226 Difference]: Without dead ends: 521 [2024-10-14 20:38:13,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:38:13,936 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 401 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:13,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 312 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:38:13,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-10-14 20:38:13,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 456. [2024-10-14 20:38:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 359 states have (on average 1.4428969359331476) internal successors, (518), 410 states have internal predecessors, (518), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-14 20:38:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 604 transitions. [2024-10-14 20:38:13,977 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 604 transitions. Word has length 81 [2024-10-14 20:38:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:13,977 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 604 transitions. [2024-10-14 20:38:13,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 604 transitions. [2024-10-14 20:38:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 20:38:13,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:13,978 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:13,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-14 20:38:14,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:38:14,179 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:14,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1813866326, now seen corresponding path program 1 times [2024-10-14 20:38:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:14,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977599507] [2024-10-14 20:38:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:14,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:14,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026481341] [2024-10-14 20:38:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:14,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:14,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:14,204 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:14,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:38:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:14,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 20:38:14,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:14,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:38:16,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977599507] [2024-10-14 20:38:16,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:16,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026481341] [2024-10-14 20:38:16,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026481341] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:16,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:38:16,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-10-14 20:38:16,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197869281] [2024-10-14 20:38:16,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:16,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:38:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:38:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:38:16,014 INFO L87 Difference]: Start difference. First operand 456 states and 604 transitions. Second operand has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-14 20:38:21,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:21,872 INFO L93 Difference]: Finished difference Result 577 states and 776 transitions. [2024-10-14 20:38:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 20:38:21,872 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 82 [2024-10-14 20:38:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:21,874 INFO L225 Difference]: With dead ends: 577 [2024-10-14 20:38:21,874 INFO L226 Difference]: Without dead ends: 571 [2024-10-14 20:38:21,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:38:21,875 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 616 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:21,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 333 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-10-14 20:38:21,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-10-14 20:38:21,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 529. [2024-10-14 20:38:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 428 states have (on average 1.4065420560747663) internal successors, (602), 478 states have internal predecessors, (602), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:38:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 698 transitions. [2024-10-14 20:38:21,909 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 698 transitions. Word has length 82 [2024-10-14 20:38:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:21,910 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 698 transitions. [2024-10-14 20:38:21,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-14 20:38:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 698 transitions. [2024-10-14 20:38:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 20:38:21,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:21,912 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:21,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-14 20:38:22,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:22,117 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:22,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash -979740629, now seen corresponding path program 1 times [2024-10-14 20:38:22,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:22,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947554667] [2024-10-14 20:38:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:22,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982980038] [2024-10-14 20:38:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:22,130 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:22,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:38:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:38:22,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:38:22,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:22,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947554667] [2024-10-14 20:38:22,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982980038] [2024-10-14 20:38:22,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982980038] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:22,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:22,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:38:22,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273793007] [2024-10-14 20:38:22,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:22,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:38:22,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:22,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:38:22,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:38:22,661 INFO L87 Difference]: Start difference. First operand 529 states and 698 transitions. Second operand has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:38:23,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:23,725 INFO L93 Difference]: Finished difference Result 665 states and 892 transitions. [2024-10-14 20:38:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:23,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 89 [2024-10-14 20:38:23,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:23,728 INFO L225 Difference]: With dead ends: 665 [2024-10-14 20:38:23,728 INFO L226 Difference]: Without dead ends: 663 [2024-10-14 20:38:23,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:38:23,729 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 265 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:23,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 432 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:38:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-14 20:38:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 632. [2024-10-14 20:38:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 520 states have (on average 1.4307692307692308) internal successors, (744), 570 states have internal predecessors, (744), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:38:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 862 transitions. [2024-10-14 20:38:23,774 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 862 transitions. Word has length 89 [2024-10-14 20:38:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:23,774 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 862 transitions. [2024-10-14 20:38:23,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:38:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 862 transitions. [2024-10-14 20:38:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 20:38:23,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:23,775 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:23,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:23,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:38:23,976 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:23,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash -307188350, now seen corresponding path program 1 times [2024-10-14 20:38:23,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:23,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589171837] [2024-10-14 20:38:23,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:23,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:23,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294904872] [2024-10-14 20:38:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:23,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:23,992 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:23,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:38:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:38:24,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:38:24,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:26,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589171837] [2024-10-14 20:38:26,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294904872] [2024-10-14 20:38:26,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294904872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:26,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:38:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141389654] [2024-10-14 20:38:26,363 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:26,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:38:26,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:38:26,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=138, Unknown=1, NotChecked=0, Total=182 [2024-10-14 20:38:26,364 INFO L87 Difference]: Start difference. First operand 632 states and 862 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:38:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:27,259 INFO L93 Difference]: Finished difference Result 667 states and 895 transitions. [2024-10-14 20:38:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:38:27,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2024-10-14 20:38:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:27,261 INFO L225 Difference]: With dead ends: 667 [2024-10-14 20:38:27,262 INFO L226 Difference]: Without dead ends: 660 [2024-10-14 20:38:27,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=162, Invalid=389, Unknown=1, NotChecked=0, Total=552 [2024-10-14 20:38:27,262 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 432 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:27,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 330 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:38:27,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-14 20:38:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 626. [2024-10-14 20:38:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 520 states have (on average 1.398076923076923) internal successors, (727), 564 states have internal predecessors, (727), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:38:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 845 transitions. [2024-10-14 20:38:27,302 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 845 transitions. Word has length 90 [2024-10-14 20:38:27,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:27,303 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 845 transitions. [2024-10-14 20:38:27,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:38:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 845 transitions. [2024-10-14 20:38:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:38:27,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:27,304 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:27,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-14 20:38:27,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:27,509 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:27,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:27,509 INFO L85 PathProgramCache]: Analyzing trace with hash -932904179, now seen corresponding path program 1 times [2024-10-14 20:38:27,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:27,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936997297] [2024-10-14 20:38:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:27,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494169686] [2024-10-14 20:38:27,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:27,527 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:27,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:38:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:38:27,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:38:27,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:27,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:27,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936997297] [2024-10-14 20:38:27,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:27,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494169686] [2024-10-14 20:38:27,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494169686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:27,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:27,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:38:27,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357744708] [2024-10-14 20:38:27,920 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:27,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:38:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:27,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:38:27,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:27,921 INFO L87 Difference]: Start difference. First operand 626 states and 845 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:28,318 INFO L93 Difference]: Finished difference Result 626 states and 845 transitions. [2024-10-14 20:38:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:28,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 91 [2024-10-14 20:38:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:28,322 INFO L225 Difference]: With dead ends: 626 [2024-10-14 20:38:28,322 INFO L226 Difference]: Without dead ends: 620 [2024-10-14 20:38:28,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:28,323 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 56 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:28,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-10-14 20:38:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 545. [2024-10-14 20:38:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 452 states have (on average 1.331858407079646) internal successors, (602), 490 states have internal predecessors, (602), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:38:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 706 transitions. [2024-10-14 20:38:28,370 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 706 transitions. Word has length 91 [2024-10-14 20:38:28,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:28,371 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 706 transitions. [2024-10-14 20:38:28,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 706 transitions. [2024-10-14 20:38:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 20:38:28,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:28,372 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:28,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:28,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-14 20:38:28,576 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1144741604, now seen corresponding path program 1 times [2024-10-14 20:38:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:28,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759137860] [2024-10-14 20:38:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996613879] [2024-10-14 20:38:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:28,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:28,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:28,591 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:28,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:38:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:28,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:38:28,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:38:28,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:29,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:29,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759137860] [2024-10-14 20:38:29,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:29,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996613879] [2024-10-14 20:38:29,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996613879] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:29,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:29,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:38:29,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269017876] [2024-10-14 20:38:29,449 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:29,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:38:29,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:29,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:38:29,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:29,450 INFO L87 Difference]: Start difference. First operand 545 states and 706 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:29,905 INFO L93 Difference]: Finished difference Result 650 states and 849 transitions. [2024-10-14 20:38:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:29,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-10-14 20:38:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:29,908 INFO L225 Difference]: With dead ends: 650 [2024-10-14 20:38:29,908 INFO L226 Difference]: Without dead ends: 648 [2024-10-14 20:38:29,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:29,909 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 225 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:29,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 281 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-14 20:38:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 600. [2024-10-14 20:38:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 501 states have (on average 1.3572854291417165) internal successors, (680), 539 states have internal predecessors, (680), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-14 20:38:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 796 transitions. [2024-10-14 20:38:29,952 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 796 transitions. Word has length 92 [2024-10-14 20:38:29,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:29,952 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 796 transitions. [2024-10-14 20:38:29,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 796 transitions. [2024-10-14 20:38:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 20:38:29,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:29,953 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:29,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-14 20:38:30,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:30,158 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:30,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:30,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1127251439, now seen corresponding path program 1 times [2024-10-14 20:38:30,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:30,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548384892] [2024-10-14 20:38:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:30,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381220730] [2024-10-14 20:38:30,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:30,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:30,177 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:30,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:38:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:30,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:38:30,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:38:30,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:38:31,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:31,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548384892] [2024-10-14 20:38:31,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:31,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381220730] [2024-10-14 20:38:31,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381220730] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:31,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:38:31,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-14 20:38:31,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474964530] [2024-10-14 20:38:31,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:31,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:38:31,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:31,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:38:31,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:31,782 INFO L87 Difference]: Start difference. First operand 600 states and 796 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:38:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:35,216 INFO L93 Difference]: Finished difference Result 675 states and 896 transitions. [2024-10-14 20:38:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:38:35,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 93 [2024-10-14 20:38:35,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:35,219 INFO L225 Difference]: With dead ends: 675 [2024-10-14 20:38:35,219 INFO L226 Difference]: Without dead ends: 644 [2024-10-14 20:38:35,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:38:35,220 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 623 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:35,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 241 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 20:38:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-10-14 20:38:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 623. [2024-10-14 20:38:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 524 states have (on average 1.3625954198473282) internal successors, (714), 561 states have internal predecessors, (714), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:38:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 832 transitions. [2024-10-14 20:38:35,268 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 832 transitions. Word has length 93 [2024-10-14 20:38:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:35,269 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 832 transitions. [2024-10-14 20:38:35,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:38:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 832 transitions. [2024-10-14 20:38:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 20:38:35,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:35,270 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:35,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:38:35,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:35,474 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:35,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash 585056326, now seen corresponding path program 1 times [2024-10-14 20:38:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:35,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548887516] [2024-10-14 20:38:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:35,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153344680] [2024-10-14 20:38:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:35,488 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:35,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:38:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:35,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-14 20:38:35,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:38:36,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:38:39,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:39,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548887516] [2024-10-14 20:38:39,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:39,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153344680] [2024-10-14 20:38:39,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153344680] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:39,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:38:39,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-10-14 20:38:39,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243384747] [2024-10-14 20:38:39,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:39,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:38:39,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:39,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:38:39,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:38:39,227 INFO L87 Difference]: Start difference. First operand 623 states and 832 transitions. Second operand has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-14 20:38:45,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 20:38:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:49,529 INFO L93 Difference]: Finished difference Result 781 states and 1062 transitions. [2024-10-14 20:38:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 20:38:49,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 94 [2024-10-14 20:38:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:49,532 INFO L225 Difference]: With dead ends: 781 [2024-10-14 20:38:49,532 INFO L226 Difference]: Without dead ends: 779 [2024-10-14 20:38:49,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:38:49,533 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1042 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 95 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:49,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 447 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1846 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2024-10-14 20:38:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-10-14 20:38:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 692. [2024-10-14 20:38:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 588 states have (on average 1.3775510204081634) internal successors, (810), 624 states have internal predecessors, (810), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 20:38:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 940 transitions. [2024-10-14 20:38:49,597 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 940 transitions. Word has length 94 [2024-10-14 20:38:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:49,597 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 940 transitions. [2024-10-14 20:38:49,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-14 20:38:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 940 transitions. [2024-10-14 20:38:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:38:49,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:49,598 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:49,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-14 20:38:49,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:49,803 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:49,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:49,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1942787823, now seen corresponding path program 1 times [2024-10-14 20:38:49,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:49,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296014061] [2024-10-14 20:38:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:49,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:38:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:38:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:38:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:49,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:49,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296014061] [2024-10-14 20:38:49,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296014061] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:49,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347354279] [2024-10-14 20:38:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:49,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:49,928 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:49,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:38:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:49,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:38:49,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:50,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347354279] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:50,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:38:50,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-14 20:38:50,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032803826] [2024-10-14 20:38:50,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:50,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:38:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:50,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:38:50,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:38:50,282 INFO L87 Difference]: Start difference. First operand 692 states and 940 transitions. Second operand has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-10-14 20:38:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:51,307 INFO L93 Difference]: Finished difference Result 1026 states and 1378 transitions. [2024-10-14 20:38:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-14 20:38:51,308 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 103 [2024-10-14 20:38:51,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:51,310 INFO L225 Difference]: With dead ends: 1026 [2024-10-14 20:38:51,310 INFO L226 Difference]: Without dead ends: 1025 [2024-10-14 20:38:51,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-10-14 20:38:51,312 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 1161 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:51,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 614 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2024-10-14 20:38:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 803. [2024-10-14 20:38:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 687 states have (on average 1.4032023289665212) internal successors, (964), 723 states have internal predecessors, (964), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-14 20:38:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1118 transitions. [2024-10-14 20:38:51,374 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1118 transitions. Word has length 103 [2024-10-14 20:38:51,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:51,374 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1118 transitions. [2024-10-14 20:38:51,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-10-14 20:38:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1118 transitions. [2024-10-14 20:38:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:38:51,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:51,375 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:51,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:51,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-14 20:38:51,576 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:51,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash -183187217, now seen corresponding path program 1 times [2024-10-14 20:38:51,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:51,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823709653] [2024-10-14 20:38:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:38:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:38:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:38:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:51,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:51,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823709653] [2024-10-14 20:38:51,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823709653] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:51,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027659035] [2024-10-14 20:38:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:51,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:51,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:51,674 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:38:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:51,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:38:51,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:51,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:52,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027659035] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:52,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:38:52,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:38:52,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495459779] [2024-10-14 20:38:52,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:52,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:38:52,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:38:52,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:38:52,112 INFO L87 Difference]: Start difference. First operand 803 states and 1118 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-10-14 20:38:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:53,468 INFO L93 Difference]: Finished difference Result 1327 states and 1811 transitions. [2024-10-14 20:38:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-14 20:38:53,468 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 103 [2024-10-14 20:38:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:53,472 INFO L225 Difference]: With dead ends: 1327 [2024-10-14 20:38:53,472 INFO L226 Difference]: Without dead ends: 1326 [2024-10-14 20:38:53,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 20:38:53,474 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 1077 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:53,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 578 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:38:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-10-14 20:38:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1022. [2024-10-14 20:38:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 885 states have (on average 1.4350282485875707) internal successors, (1270), 921 states have internal predecessors, (1270), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-14 20:38:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1466 transitions. [2024-10-14 20:38:53,558 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1466 transitions. Word has length 103 [2024-10-14 20:38:53,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:53,558 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1466 transitions. [2024-10-14 20:38:53,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-10-14 20:38:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1466 transitions. [2024-10-14 20:38:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 20:38:53,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:53,559 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:53,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:53,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-14 20:38:53,764 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:53,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:53,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1383405355, now seen corresponding path program 1 times [2024-10-14 20:38:53,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:53,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824077133] [2024-10-14 20:38:53,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:38:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:38:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:38:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:53,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:53,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824077133] [2024-10-14 20:38:53,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824077133] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:53,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280239411] [2024-10-14 20:38:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:53,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:53,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:53,888 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:53,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:38:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:53,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:54,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280239411] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:54,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:38:54,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-14 20:38:54,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616808615] [2024-10-14 20:38:54,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:54,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:38:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:54,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:38:54,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:54,241 INFO L87 Difference]: Start difference. First operand 1022 states and 1466 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:38:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:54,978 INFO L93 Difference]: Finished difference Result 1567 states and 2254 transitions. [2024-10-14 20:38:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:38:54,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 104 [2024-10-14 20:38:54,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:54,983 INFO L225 Difference]: With dead ends: 1567 [2024-10-14 20:38:54,983 INFO L226 Difference]: Without dead ends: 1565 [2024-10-14 20:38:54,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:54,984 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 192 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:54,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 380 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-10-14 20:38:55,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1297. [2024-10-14 20:38:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1133 states have (on average 1.4466019417475728) internal successors, (1639), 1169 states have internal predecessors, (1639), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-10-14 20:38:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1889 transitions. [2024-10-14 20:38:55,090 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1889 transitions. Word has length 104 [2024-10-14 20:38:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:55,090 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1889 transitions. [2024-10-14 20:38:55,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:38:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1889 transitions. [2024-10-14 20:38:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 20:38:55,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:55,091 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:55,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-14 20:38:55,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:55,292 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:55,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:55,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1801301019, now seen corresponding path program 1 times [2024-10-14 20:38:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:55,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034249003] [2024-10-14 20:38:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:38:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:38:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:38:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:55,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034249003] [2024-10-14 20:38:55,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034249003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973234967] [2024-10-14 20:38:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:55,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:55,419 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:55,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:38:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:55,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:55,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:55,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973234967] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:55,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:38:55,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-14 20:38:55,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065896002] [2024-10-14 20:38:55,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:55,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:38:55,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:55,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:38:55,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:55,746 INFO L87 Difference]: Start difference. First operand 1297 states and 1889 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:38:56,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:56,358 INFO L93 Difference]: Finished difference Result 1839 states and 2686 transitions. [2024-10-14 20:38:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:38:56,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 106 [2024-10-14 20:38:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:56,364 INFO L225 Difference]: With dead ends: 1839 [2024-10-14 20:38:56,364 INFO L226 Difference]: Without dead ends: 1837 [2024-10-14 20:38:56,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:56,364 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 381 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:56,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 264 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2024-10-14 20:38:56,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1490. [2024-10-14 20:38:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1307 states have (on average 1.4422341239479723) internal successors, (1885), 1343 states have internal predecessors, (1885), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-14 20:38:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2173 transitions. [2024-10-14 20:38:56,482 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2173 transitions. Word has length 106 [2024-10-14 20:38:56,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:56,482 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2173 transitions. [2024-10-14 20:38:56,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:38:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2173 transitions. [2024-10-14 20:38:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:38:56,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:56,483 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:56,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-14 20:38:56,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:38:56,684 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:56,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2107109653, now seen corresponding path program 1 times [2024-10-14 20:38:56,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:56,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784497451] [2024-10-14 20:38:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:56,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:56,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932525032] [2024-10-14 20:38:56,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:56,702 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:56,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:38:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:56,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:38:56,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:57,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:57,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:57,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784497451] [2024-10-14 20:38:57,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:57,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932525032] [2024-10-14 20:38:57,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932525032] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:57,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:57,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:38:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93889217] [2024-10-14 20:38:57,162 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:57,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:38:57,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:57,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:38:57,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:57,163 INFO L87 Difference]: Start difference. First operand 1490 states and 2173 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:38:57,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:57,726 INFO L93 Difference]: Finished difference Result 1576 states and 2283 transitions. [2024-10-14 20:38:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:38:57,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 109 [2024-10-14 20:38:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:57,732 INFO L225 Difference]: With dead ends: 1576 [2024-10-14 20:38:57,732 INFO L226 Difference]: Without dead ends: 1572 [2024-10-14 20:38:57,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:38:57,733 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 165 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:57,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 300 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:57,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-10-14 20:38:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1486. [2024-10-14 20:38:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1307 states have (on average 1.3871461361897475) internal successors, (1813), 1339 states have internal predecessors, (1813), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-14 20:38:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2101 transitions. [2024-10-14 20:38:57,863 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2101 transitions. Word has length 109 [2024-10-14 20:38:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:57,863 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 2101 transitions. [2024-10-14 20:38:57,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:38:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2101 transitions. [2024-10-14 20:38:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:38:57,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:57,864 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:57,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:58,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:38:58,065 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:58,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:58,065 INFO L85 PathProgramCache]: Analyzing trace with hash 895889854, now seen corresponding path program 1 times [2024-10-14 20:38:58,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:58,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744325255] [2024-10-14 20:38:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:58,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:58,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482678154] [2024-10-14 20:38:58,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:58,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:58,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:58,090 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:58,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:38:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:58,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:38:58,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:38:58,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:58,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:58,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744325255] [2024-10-14 20:38:58,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:58,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482678154] [2024-10-14 20:38:58,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482678154] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:58,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:58,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:38:58,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204818146] [2024-10-14 20:38:58,784 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:58,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:38:58,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:58,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:38:58,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:58,785 INFO L87 Difference]: Start difference. First operand 1486 states and 2101 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:38:59,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:59,312 INFO L93 Difference]: Finished difference Result 1547 states and 2177 transitions. [2024-10-14 20:38:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:38:59,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-10-14 20:38:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:59,318 INFO L225 Difference]: With dead ends: 1547 [2024-10-14 20:38:59,319 INFO L226 Difference]: Without dead ends: 1545 [2024-10-14 20:38:59,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:59,320 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 106 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:59,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 194 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:59,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-10-14 20:38:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1502. [2024-10-14 20:38:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1321 states have (on average 1.384557153671461) internal successors, (1829), 1353 states have internal predecessors, (1829), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-14 20:38:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 2121 transitions. [2024-10-14 20:38:59,459 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 2121 transitions. Word has length 110 [2024-10-14 20:38:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:59,460 INFO L471 AbstractCegarLoop]: Abstraction has 1502 states and 2121 transitions. [2024-10-14 20:38:59,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:38:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2121 transitions. [2024-10-14 20:38:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:38:59,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:59,461 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:59,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:59,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:38:59,662 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:59,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash 815465278, now seen corresponding path program 2 times [2024-10-14 20:38:59,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:59,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137610312] [2024-10-14 20:38:59,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:59,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:59,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437252464] [2024-10-14 20:38:59,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:38:59,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:59,681 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:38:59,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:38:59,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:38:59,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:38:59,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:38:59,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:00,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137610312] [2024-10-14 20:39:00,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437252464] [2024-10-14 20:39:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437252464] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:00,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:00,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:39:00,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639145801] [2024-10-14 20:39:00,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:00,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:00,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:00,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:00,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:00,414 INFO L87 Difference]: Start difference. First operand 1502 states and 2121 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:01,021 INFO L93 Difference]: Finished difference Result 1560 states and 2192 transitions. [2024-10-14 20:39:01,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:01,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-10-14 20:39:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:01,027 INFO L225 Difference]: With dead ends: 1560 [2024-10-14 20:39:01,028 INFO L226 Difference]: Without dead ends: 1556 [2024-10-14 20:39:01,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:01,029 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 117 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:01,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 220 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:01,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-10-14 20:39:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1510. [2024-10-14 20:39:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3855421686746987) internal successors, (1840), 1360 states have internal predecessors, (1840), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2134 transitions. [2024-10-14 20:39:01,123 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2134 transitions. Word has length 110 [2024-10-14 20:39:01,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:01,123 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2134 transitions. [2024-10-14 20:39:01,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2134 transitions. [2024-10-14 20:39:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:39:01,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:01,125 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:01,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-14 20:39:01,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:01,326 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:01,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:01,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1956692192, now seen corresponding path program 1 times [2024-10-14 20:39:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:01,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012364561] [2024-10-14 20:39:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:01,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:01,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38847168] [2024-10-14 20:39:01,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:01,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:01,341 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:01,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:39:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:01,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:01,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:01,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:01,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:01,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012364561] [2024-10-14 20:39:01,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:01,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38847168] [2024-10-14 20:39:01,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38847168] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:01,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:01,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:39:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837246881] [2024-10-14 20:39:01,936 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:01,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:01,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:01,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:01,937 INFO L87 Difference]: Start difference. First operand 1510 states and 2134 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:02,418 INFO L93 Difference]: Finished difference Result 1547 states and 2180 transitions. [2024-10-14 20:39:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-14 20:39:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:02,437 INFO L225 Difference]: With dead ends: 1547 [2024-10-14 20:39:02,437 INFO L226 Difference]: Without dead ends: 1545 [2024-10-14 20:39:02,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:02,438 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 121 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:02,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 203 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-10-14 20:39:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1510. [2024-10-14 20:39:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3840361445783131) internal successors, (1838), 1360 states have internal predecessors, (1838), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2132 transitions. [2024-10-14 20:39:02,592 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2132 transitions. Word has length 112 [2024-10-14 20:39:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:02,592 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2132 transitions. [2024-10-14 20:39:02,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2132 transitions. [2024-10-14 20:39:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:39:02,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:02,593 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:02,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-14 20:39:02,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:02,794 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:02,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:02,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1978085984, now seen corresponding path program 2 times [2024-10-14 20:39:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:02,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74692589] [2024-10-14 20:39:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:02,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170958376] [2024-10-14 20:39:02,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:39:02,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:02,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:02,814 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:02,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:39:02,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:39:02,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:39:02,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:02,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:03,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:03,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:03,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74692589] [2024-10-14 20:39:03,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:03,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170958376] [2024-10-14 20:39:03,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170958376] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:03,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:03,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:39:03,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812863073] [2024-10-14 20:39:03,600 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:03,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:03,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:03,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:03,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:03,601 INFO L87 Difference]: Start difference. First operand 1510 states and 2132 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:04,144 INFO L93 Difference]: Finished difference Result 1545 states and 2172 transitions. [2024-10-14 20:39:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-14 20:39:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:04,149 INFO L225 Difference]: With dead ends: 1545 [2024-10-14 20:39:04,149 INFO L226 Difference]: Without dead ends: 1543 [2024-10-14 20:39:04,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:04,150 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 119 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:04,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 206 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-10-14 20:39:04,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1510. [2024-10-14 20:39:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3825301204819278) internal successors, (1836), 1360 states have internal predecessors, (1836), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2130 transitions. [2024-10-14 20:39:04,255 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2130 transitions. Word has length 112 [2024-10-14 20:39:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:04,255 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2130 transitions. [2024-10-14 20:39:04,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2130 transitions. [2024-10-14 20:39:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 20:39:04,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:04,257 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:04,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:04,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-14 20:39:04,461 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:04,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1336387764, now seen corresponding path program 1 times [2024-10-14 20:39:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:04,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381962723] [2024-10-14 20:39:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 20:39:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:04,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:04,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381962723] [2024-10-14 20:39:04,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381962723] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:04,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963598260] [2024-10-14 20:39:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:04,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:04,616 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:04,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:39:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:04,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:39:04,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:04,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:04,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963598260] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:04,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:04,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-14 20:39:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392497007] [2024-10-14 20:39:04,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:04,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:39:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:39:04,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:04,827 INFO L87 Difference]: Start difference. First operand 1510 states and 2130 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14)