./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_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:40:35,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:40:35,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:40:35,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:40:35,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:40:35,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:40:35,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:40:35,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:40:35,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:40:35,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:40:35,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:40:35,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:40:35,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:40:35,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:40:35,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:40:35,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:40:35,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:40:35,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:40:35,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:40:35,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:40:35,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:40:35,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:40:35,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:40:35,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:40:35,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:40:35,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:40:35,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:40:35,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:40:35,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:40:35,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:40:35,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:40:35,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:40:35,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:40:35,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:40:35,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:40:35,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:40:35,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:40:35,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:40:35,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:40:35,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce [2024-10-11 20:40:35,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:40:35,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:40:35,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:40:35,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:40:35,589 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:40:35,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2024-10-11 20:40:36,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:40:36,934 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:40:36,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2024-10-11 20:40:36,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/93142a38f/dc53308789e44094a1afce69d1f98dc3/FLAG9329a994b [2024-10-11 20:40:37,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/93142a38f/dc53308789e44094a1afce69d1f98dc3 [2024-10-11 20:40:37,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:40:37,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:40:37,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:40:37,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:40:37,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:40:37,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f33864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37, skipping insertion in model container [2024-10-11 20:40:37,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:40:37,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:40:37,517 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:40:37,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:40:37,543 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:40:37,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37 WrapperNode [2024-10-11 20:40:37,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:40:37,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:40:37,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:40:37,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:40:37,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,574 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-10-11 20:40:37,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:40:37,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:40:37,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:40:37,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:40:37,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,594 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]. [2024-10-11 20:40:37,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:40:37,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:40:37,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:40:37,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:40:37,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (1/1) ... [2024-10-11 20:40:37,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:40:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:37,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:40:37,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:40:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:40:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:40:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:40:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:40:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:40:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:40:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:40:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:40:37,709 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:40:37,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:40:38,262 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-10-11 20:40:38,262 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:40:38,288 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:40:38,289 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:40:38,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:40:38 BoogieIcfgContainer [2024-10-11 20:40:38,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:40:38,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:40:38,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:40:38,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:40:38,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:40:37" (1/3) ... [2024-10-11 20:40:38,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc22d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:40:38, skipping insertion in model container [2024-10-11 20:40:38,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:40:37" (2/3) ... [2024-10-11 20:40:38,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc22d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:40:38, skipping insertion in model container [2024-10-11 20:40:38,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:40:38" (3/3) ... [2024-10-11 20:40:38,297 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound100.c [2024-10-11 20:40:38,309 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:40:38,309 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-11 20:40:38,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:40:38,362 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;@1048120e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:40:38,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-11 20:40:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:40:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:40:38,370 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:38,370 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:38,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:38,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:38,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1649939746, now seen corresponding path program 1 times [2024-10-11 20:40:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:38,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61468900] [2024-10-11 20:40:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:38,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61468900] [2024-10-11 20:40:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61468900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:38,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:38,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:38,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6139277] [2024-10-11 20:40:38,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:38,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:40:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:38,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:40:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:40:38,530 INFO L87 Difference]: Start difference. First operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:40:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:38,563 INFO L93 Difference]: Finished difference Result 280 states and 312 transitions. [2024-10-11 20:40:38,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:40:38,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-11 20:40:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:38,574 INFO L225 Difference]: With dead ends: 280 [2024-10-11 20:40:38,575 INFO L226 Difference]: Without dead ends: 138 [2024-10-11 20:40:38,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:40:38,582 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:38,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-11 20:40:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-11 20:40:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 70 states have (on average 1.8571428571428572) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:40:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-10-11 20:40:38,624 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 14 [2024-10-11 20:40:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:38,624 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-10-11 20:40:38,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:40:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-10-11 20:40:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:40:38,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:38,625 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:38,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:40:38,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:38,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:38,626 INFO L85 PathProgramCache]: Analyzing trace with hash -891616866, now seen corresponding path program 1 times [2024-10-11 20:40:38,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:38,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861905763] [2024-10-11 20:40:38,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:38,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:38,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:38,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861905763] [2024-10-11 20:40:38,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861905763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:38,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:38,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:38,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037088756] [2024-10-11 20:40:38,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:38,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:38,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:38,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:38,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:38,803 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:38,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:38,848 INFO L93 Difference]: Finished difference Result 203 states and 213 transitions. [2024-10-11 20:40:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:38,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-11 20:40:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:38,849 INFO L225 Difference]: With dead ends: 203 [2024-10-11 20:40:38,849 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:40:38,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:38,851 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:38,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 413 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:40:38,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-11 20:40:38,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 74 states have (on average 1.8108108108108107) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:40:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-10-11 20:40:38,862 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 14 [2024-10-11 20:40:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:38,863 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-10-11 20:40:38,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-10-11 20:40:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:40:38,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:38,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:38,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:40:38,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:38,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:38,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2080252688, now seen corresponding path program 1 times [2024-10-11 20:40:38,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:38,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394238750] [2024-10-11 20:40:38,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:38,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:38,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816714107] [2024-10-11 20:40:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:38,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:38,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:38,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:38,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:40:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:38,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:40:38,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:38,963 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:38,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:38,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394238750] [2024-10-11 20:40:38,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:38,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816714107] [2024-10-11 20:40:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816714107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:38,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:38,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:38,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504723654] [2024-10-11 20:40:38,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:38,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:38,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:38,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:38,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:38,966 INFO L87 Difference]: Start difference. First operand 142 states and 150 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:39,320 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-11 20:40:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:39,321 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-11 20:40:39,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:39,322 INFO L225 Difference]: With dead ends: 226 [2024-10-11 20:40:39,322 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 20:40:39,322 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 [2024-10-11 20:40:39,323 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:39,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 164 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 20:40:39,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-10-11 20:40:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 107 states have (on average 1.8317757009345794) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:40:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-10-11 20:40:39,333 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 17 [2024-10-11 20:40:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:39,333 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-10-11 20:40:39,333 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-10-11 20:40:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 20:40:39,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:39,334 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:39,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:40:39,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:39,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:39,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:39,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1963038830, now seen corresponding path program 1 times [2024-10-11 20:40:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:39,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815432194] [2024-10-11 20:40:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:39,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:39,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605143942] [2024-10-11 20:40:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:39,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:39,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:39,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:40:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:39,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:40:39,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:39,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:39,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:39,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815432194] [2024-10-11 20:40:39,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:39,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605143942] [2024-10-11 20:40:39,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605143942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:39,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:39,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525911404] [2024-10-11 20:40:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:39,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:39,606 INFO L87 Difference]: Start difference. First operand 180 states and 222 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:39,951 INFO L93 Difference]: Finished difference Result 286 states and 352 transitions. [2024-10-11 20:40:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:39,954 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-10-11 20:40:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:39,956 INFO L225 Difference]: With dead ends: 286 [2024-10-11 20:40:39,956 INFO L226 Difference]: Without dead ends: 278 [2024-10-11 20:40:39,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:39,957 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 87 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 229 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 [2024-10-11 20:40:39,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 229 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-10-11 20:40:39,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 236. [2024-10-11 20:40:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 157 states have (on average 1.7898089171974523) internal successors, (281), 214 states have internal predecessors, (281), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 20:40:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 319 transitions. [2024-10-11 20:40:39,977 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 319 transitions. Word has length 19 [2024-10-11 20:40:39,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:39,977 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 319 transitions. [2024-10-11 20:40:39,977 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2024-10-11 20:40:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:40:39,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:39,978 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:39,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:40,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:40,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:40,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:40,179 INFO L85 PathProgramCache]: Analyzing trace with hash -989670860, now seen corresponding path program 1 times [2024-10-11 20:40:40,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:40,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148498608] [2024-10-11 20:40:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:40,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892484260] [2024-10-11 20:40:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:40,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:40,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:40:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:40:40,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:40,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:40,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:40,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148498608] [2024-10-11 20:40:40,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:40,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892484260] [2024-10-11 20:40:40,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892484260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:40,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:40,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:40,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91801273] [2024-10-11 20:40:40,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:40,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:40,292 INFO L87 Difference]: Start difference. First operand 236 states and 319 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:40,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:40,518 INFO L93 Difference]: Finished difference Result 272 states and 338 transitions. [2024-10-11 20:40:40,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:40,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-11 20:40:40,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:40,519 INFO L225 Difference]: With dead ends: 272 [2024-10-11 20:40:40,519 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:40:40,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:40,520 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 64 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:40,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:40:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 202. [2024-10-11 20:40:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 128 states have (on average 1.7109375) internal successors, (219), 185 states have internal predecessors, (219), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:40:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2024-10-11 20:40:40,528 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 21 [2024-10-11 20:40:40,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:40,528 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2024-10-11 20:40:40,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:40:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2024-10-11 20:40:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:40:40,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:40,529 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:40,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:40:40,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:40,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:40,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:40,730 INFO L85 PathProgramCache]: Analyzing trace with hash -749701369, now seen corresponding path program 1 times [2024-10-11 20:40:40,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:40,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142939710] [2024-10-11 20:40:40,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:40,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381858859] [2024-10-11 20:40:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:40,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:40,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:40,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:40:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:40,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:40:40,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:40,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:40,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:40,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142939710] [2024-10-11 20:40:40,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:40,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381858859] [2024-10-11 20:40:40,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381858859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:40,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:40,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:40,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043502018] [2024-10-11 20:40:40,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:40,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:40,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:40,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:40,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:40,813 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:41,089 INFO L93 Difference]: Finished difference Result 368 states and 471 transitions. [2024-10-11 20:40:41,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:41,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-10-11 20:40:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:41,091 INFO L225 Difference]: With dead ends: 368 [2024-10-11 20:40:41,092 INFO L226 Difference]: Without dead ends: 360 [2024-10-11 20:40:41,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:41,092 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 87 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:41,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 232 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-11 20:40:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 283. [2024-10-11 20:40:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.7) internal successors, (340), 257 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2024-10-11 20:40:41,105 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 28 [2024-10-11 20:40:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:41,105 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2024-10-11 20:40:41,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2024-10-11 20:40:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:40:41,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:41,105 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:41,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:40:41,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-11 20:40:41,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:41,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:41,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1091492233, now seen corresponding path program 1 times [2024-10-11 20:40:41,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:41,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383432326] [2024-10-11 20:40:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:41,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801537934] [2024-10-11 20:40:41,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:41,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:41,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:41,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:41,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:40:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:41,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:41,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:41,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:41,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:41,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383432326] [2024-10-11 20:40:41,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:41,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801537934] [2024-10-11 20:40:41,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801537934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:41,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:41,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:41,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406898048] [2024-10-11 20:40:41,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:41,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:41,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:41,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:41,482 INFO L87 Difference]: Start difference. First operand 283 states and 386 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:41,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:41,833 INFO L93 Difference]: Finished difference Result 338 states and 451 transitions. [2024-10-11 20:40:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:41,834 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-10-11 20:40:41,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:41,835 INFO L225 Difference]: With dead ends: 338 [2024-10-11 20:40:41,835 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 20:40:41,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:41,836 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 180 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:41,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 166 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 20:40:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-11 20:40:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.68) internal successors, (336), 257 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2024-10-11 20:40:41,845 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 30 [2024-10-11 20:40:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:41,845 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2024-10-11 20:40:41,845 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2024-10-11 20:40:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 20:40:41,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:41,846 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:41,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:40:42,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:42,046 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:42,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:42,047 INFO L85 PathProgramCache]: Analyzing trace with hash -523479075, now seen corresponding path program 1 times [2024-10-11 20:40:42,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:42,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946758429] [2024-10-11 20:40:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:42,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51012289] [2024-10-11 20:40:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:42,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:42,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:40:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:42,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:42,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:42,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:42,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:42,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946758429] [2024-10-11 20:40:42,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:42,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51012289] [2024-10-11 20:40:42,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51012289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:42,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:42,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:42,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691388661] [2024-10-11 20:40:42,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:42,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:42,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:42,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:42,135 INFO L87 Difference]: Start difference. First operand 283 states and 382 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:42,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:42,337 INFO L93 Difference]: Finished difference Result 338 states and 447 transitions. [2024-10-11 20:40:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:42,338 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-11 20:40:42,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:42,339 INFO L225 Difference]: With dead ends: 338 [2024-10-11 20:40:42,339 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 20:40:42,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:42,340 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 179 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:42,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 160 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 20:40:42,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-11 20:40:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.66) internal successors, (332), 257 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 378 transitions. [2024-10-11 20:40:42,348 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 378 transitions. Word has length 31 [2024-10-11 20:40:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:42,348 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 378 transitions. [2024-10-11 20:40:42,348 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 378 transitions. [2024-10-11 20:40:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:40:42,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:42,349 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:42,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:40:42,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:40:42,550 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:42,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash 952017931, now seen corresponding path program 1 times [2024-10-11 20:40:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:42,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148045937] [2024-10-11 20:40:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:42,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113572877] [2024-10-11 20:40:42,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:42,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:42,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:42,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:40:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:42,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:42,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:42,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:42,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:42,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148045937] [2024-10-11 20:40:42,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:42,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113572877] [2024-10-11 20:40:42,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113572877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:42,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:42,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:42,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446248123] [2024-10-11 20:40:42,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:42,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:42,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:42,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:42,630 INFO L87 Difference]: Start difference. First operand 283 states and 378 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:43,209 INFO L93 Difference]: Finished difference Result 358 states and 451 transitions. [2024-10-11 20:40:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:43,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-10-11 20:40:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:43,213 INFO L225 Difference]: With dead ends: 358 [2024-10-11 20:40:43,213 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 20:40:43,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:43,213 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 150 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:43,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 192 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:40:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 20:40:43,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 284. [2024-10-11 20:40:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 258 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 376 transitions. [2024-10-11 20:40:43,222 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 376 transitions. Word has length 32 [2024-10-11 20:40:43,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:43,222 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 376 transitions. [2024-10-11 20:40:43,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2024-10-11 20:40:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:40:43,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:43,223 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:43,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:40:43,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:43,424 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:43,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash -552215137, now seen corresponding path program 1 times [2024-10-11 20:40:43,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:43,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183270626] [2024-10-11 20:40:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:43,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737722571] [2024-10-11 20:40:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:43,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:43,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:43,444 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:40:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:43,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:43,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:40:43,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:43,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183270626] [2024-10-11 20:40:43,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737722571] [2024-10-11 20:40:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737722571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:43,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:43,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:43,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566612676] [2024-10-11 20:40:43,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:43,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:43,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:43,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:43,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:43,612 INFO L87 Difference]: Start difference. First operand 284 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:44,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:44,791 INFO L93 Difference]: Finished difference Result 358 states and 447 transitions. [2024-10-11 20:40:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:44,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-10-11 20:40:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:44,792 INFO L225 Difference]: With dead ends: 358 [2024-10-11 20:40:44,792 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 20:40:44,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:44,793 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 91 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:44,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 244 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:40:44,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 20:40:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 285. [2024-10-11 20:40:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 259 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 374 transitions. [2024-10-11 20:40:44,801 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 374 transitions. Word has length 33 [2024-10-11 20:40:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:44,801 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 374 transitions. [2024-10-11 20:40:44,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:40:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 374 transitions. [2024-10-11 20:40:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:40:44,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:44,802 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:44,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:45,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:40:45,003 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:45,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:45,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1173963144, now seen corresponding path program 1 times [2024-10-11 20:40:45,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:45,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634966789] [2024-10-11 20:40:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:45,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:45,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963578932] [2024-10-11 20:40:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:45,016 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:45,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:40:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:45,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:45,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:45,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:45,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:45,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634966789] [2024-10-11 20:40:45,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:45,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963578932] [2024-10-11 20:40:45,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963578932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:45,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:45,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:45,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516010547] [2024-10-11 20:40:45,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:45,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:45,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:45,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:45,126 INFO L87 Difference]: Start difference. First operand 285 states and 374 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:45,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:45,351 INFO L93 Difference]: Finished difference Result 309 states and 393 transitions. [2024-10-11 20:40:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:45,351 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-11 20:40:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:45,352 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:40:45,352 INFO L226 Difference]: Without dead ends: 307 [2024-10-11 20:40:45,352 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 [2024-10-11 20:40:45,353 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 202 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:45,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 175 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:45,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-11 20:40:45,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 286. [2024-10-11 20:40:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 203 states have (on average 1.6108374384236452) internal successors, (327), 260 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2024-10-11 20:40:45,361 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 41 [2024-10-11 20:40:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:45,361 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2024-10-11 20:40:45,361 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2024-10-11 20:40:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:40:45,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:45,362 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:45,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:40:45,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:45,563 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:45,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2033119179, now seen corresponding path program 1 times [2024-10-11 20:40:45,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:45,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810900024] [2024-10-11 20:40:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:45,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430326834] [2024-10-11 20:40:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:45,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:45,573 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:45,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:40:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:45,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:45,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:45,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:45,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810900024] [2024-10-11 20:40:45,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430326834] [2024-10-11 20:40:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430326834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:45,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705307684] [2024-10-11 20:40:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:45,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:45,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:45,660 INFO L87 Difference]: Start difference. First operand 286 states and 373 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:45,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:45,889 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2024-10-11 20:40:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:45,889 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-10-11 20:40:45,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:45,890 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:40:45,890 INFO L226 Difference]: Without dead ends: 307 [2024-10-11 20:40:45,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:45,891 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 163 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:45,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 188 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:45,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-11 20:40:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 287. [2024-10-11 20:40:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 261 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 372 transitions. [2024-10-11 20:40:45,898 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 372 transitions. Word has length 42 [2024-10-11 20:40:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:45,898 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 372 transitions. [2024-10-11 20:40:45,898 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 372 transitions. [2024-10-11 20:40:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:40:45,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:45,899 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:45,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:46,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:40:46,099 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1397814806, now seen corresponding path program 1 times [2024-10-11 20:40:46,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:46,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552389678] [2024-10-11 20:40:46,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:46,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646959544] [2024-10-11 20:40:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:46,117 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:46,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:40:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:46,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:46,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:46,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:46,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552389678] [2024-10-11 20:40:46,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646959544] [2024-10-11 20:40:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646959544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:46,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:46,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763151666] [2024-10-11 20:40:46,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:46,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:46,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:46,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:46,179 INFO L87 Difference]: Start difference. First operand 287 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:47,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:47,086 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2024-10-11 20:40:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:47,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-10-11 20:40:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:47,087 INFO L225 Difference]: With dead ends: 317 [2024-10-11 20:40:47,087 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 20:40:47,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:47,088 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 83 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:47,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 283 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:40:47,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 20:40:47,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2024-10-11 20:40:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.5853658536585367) internal successors, (325), 262 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2024-10-11 20:40:47,096 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 371 transitions. Word has length 43 [2024-10-11 20:40:47,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:47,096 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 371 transitions. [2024-10-11 20:40:47,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2024-10-11 20:40:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:40:47,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:47,097 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:40:47,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:40:47,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:40:47,298 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:47,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash -382585939, now seen corresponding path program 1 times [2024-10-11 20:40:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:47,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586770042] [2024-10-11 20:40:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:47,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350428936] [2024-10-11 20:40:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:47,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:47,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:47,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:47,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:40:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:47,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:47,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:40:47,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:47,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586770042] [2024-10-11 20:40:47,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350428936] [2024-10-11 20:40:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350428936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:47,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:47,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:47,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037196151] [2024-10-11 20:40:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:47,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:47,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:47,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:47,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:47,478 INFO L87 Difference]: Start difference. First operand 288 states and 371 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:48,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:48,202 INFO L93 Difference]: Finished difference Result 317 states and 376 transitions. [2024-10-11 20:40:48,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:48,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-10-11 20:40:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:48,203 INFO L225 Difference]: With dead ends: 317 [2024-10-11 20:40:48,203 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 20:40:48,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:48,204 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 135 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:48,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 224 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:40:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 20:40:48,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 289. [2024-10-11 20:40:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 263 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 370 transitions. [2024-10-11 20:40:48,213 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 370 transitions. Word has length 44 [2024-10-11 20:40:48,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:48,213 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 370 transitions. [2024-10-11 20:40:48,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:40:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 370 transitions. [2024-10-11 20:40:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:40:48,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:48,215 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 20:40:48,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:48,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:40:48,416 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:48,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1889396222, now seen corresponding path program 1 times [2024-10-11 20:40:48,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831733729] [2024-10-11 20:40:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:48,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:48,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831733729] [2024-10-11 20:40:48,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831733729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:48,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:48,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:48,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440506630] [2024-10-11 20:40:48,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:48,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:48,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:48,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:48,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:48,488 INFO L87 Difference]: Start difference. First operand 289 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:48,565 INFO L93 Difference]: Finished difference Result 380 states and 487 transitions. [2024-10-11 20:40:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:48,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-10-11 20:40:48,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:48,567 INFO L225 Difference]: With dead ends: 380 [2024-10-11 20:40:48,569 INFO L226 Difference]: Without dead ends: 378 [2024-10-11 20:40:48,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:48,570 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 46 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:48,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 295 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:40:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-11 20:40:48,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-10-11 20:40:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 209 states have (on average 1.5502392344497609) internal successors, (324), 265 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 370 transitions. [2024-10-11 20:40:48,582 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 370 transitions. Word has length 51 [2024-10-11 20:40:48,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:48,582 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 370 transitions. [2024-10-11 20:40:48,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 370 transitions. [2024-10-11 20:40:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:40:48,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:48,585 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 20:40:48,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:40:48,585 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:48,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1558259392, now seen corresponding path program 1 times [2024-10-11 20:40:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:48,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135142116] [2024-10-11 20:40:48,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:48,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:48,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135142116] [2024-10-11 20:40:48,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135142116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:48,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:48,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438803743] [2024-10-11 20:40:48,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:48,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:48,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:48,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:48,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:48,638 INFO L87 Difference]: Start difference. First operand 291 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:48,678 INFO L93 Difference]: Finished difference Result 379 states and 481 transitions. [2024-10-11 20:40:48,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:48,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-10-11 20:40:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:48,680 INFO L225 Difference]: With dead ends: 379 [2024-10-11 20:40:48,680 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:40:48,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:48,680 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:48,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 295 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:48,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:40:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-11 20:40:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5188679245283019) internal successors, (322), 267 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2024-10-11 20:40:48,692 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 52 [2024-10-11 20:40:48,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:48,693 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2024-10-11 20:40:48,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:40:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2024-10-11 20:40:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:40:48,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:48,694 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 20:40:48,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:40:48,694 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:48,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1061442736, now seen corresponding path program 1 times [2024-10-11 20:40:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:48,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375873700] [2024-10-11 20:40:48,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:48,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:48,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:48,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375873700] [2024-10-11 20:40:48,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375873700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:48,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:48,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:48,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796778803] [2024-10-11 20:40:48,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:48,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:48,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:48,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:48,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:48,781 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:49,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:49,427 INFO L93 Difference]: Finished difference Result 378 states and 473 transitions. [2024-10-11 20:40:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:49,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 53 [2024-10-11 20:40:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:49,429 INFO L225 Difference]: With dead ends: 378 [2024-10-11 20:40:49,429 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:40:49,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:49,429 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:49,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:40:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:40:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-11 20:40:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5141509433962264) internal successors, (321), 267 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 367 transitions. [2024-10-11 20:40:49,440 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 367 transitions. Word has length 53 [2024-10-11 20:40:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:49,440 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 367 transitions. [2024-10-11 20:40:49,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2024-10-11 20:40:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:40:49,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:49,441 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 20:40:49,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:40:49,441 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:49,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:49,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1061428834, now seen corresponding path program 1 times [2024-10-11 20:40:49,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:49,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758698093] [2024-10-11 20:40:49,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:49,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:49,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758698093] [2024-10-11 20:40:49,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758698093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:49,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:49,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569713540] [2024-10-11 20:40:49,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:49,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:49,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:49,500 INFO L87 Difference]: Start difference. First operand 293 states and 367 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:50,030 INFO L93 Difference]: Finished difference Result 380 states and 475 transitions. [2024-10-11 20:40:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 53 [2024-10-11 20:40:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:50,032 INFO L225 Difference]: With dead ends: 380 [2024-10-11 20:40:50,032 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:40:50,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:40:50,032 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:50,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:40:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:40:50,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-10-11 20:40:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 369 transitions. [2024-10-11 20:40:50,042 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 369 transitions. Word has length 53 [2024-10-11 20:40:50,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:50,042 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 369 transitions. [2024-10-11 20:40:50,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-10-11 20:40:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 369 transitions. [2024-10-11 20:40:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 20:40:50,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:50,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1] [2024-10-11 20:40:50,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 20:40:50,043 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:50,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:50,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1891430278, now seen corresponding path program 1 times [2024-10-11 20:40:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:50,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224111988] [2024-10-11 20:40:50,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:50,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:50,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224111988] [2024-10-11 20:40:50,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224111988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:50,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:50,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:40:50,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035117440] [2024-10-11 20:40:50,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:50,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:40:50,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:40:50,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:50,098 INFO L87 Difference]: Start difference. First operand 295 states and 369 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-10-11 20:40:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:50,307 INFO L93 Difference]: Finished difference Result 356 states and 437 transitions. [2024-10-11 20:40:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:50,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 56 [2024-10-11 20:40:50,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:50,309 INFO L225 Difference]: With dead ends: 356 [2024-10-11 20:40:50,309 INFO L226 Difference]: Without dead ends: 352 [2024-10-11 20:40:50,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:40:50,309 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 153 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 [2024-10-11 20:40:50,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 153 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:40:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-11 20:40:50,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 305. [2024-10-11 20:40:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 279 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2024-10-11 20:40:50,319 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 56 [2024-10-11 20:40:50,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:50,319 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2024-10-11 20:40:50,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-10-11 20:40:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2024-10-11 20:40:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:40:50,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:50,320 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1] [2024-10-11 20:40:50,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 20:40:50,320 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:50,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:50,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1923574198, now seen corresponding path program 1 times [2024-10-11 20:40:50,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:50,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980766751] [2024-10-11 20:40:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:50,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:50,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980766751] [2024-10-11 20:40:50,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980766751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921731885] [2024-10-11 20:40:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:50,402 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:50,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:40:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:50,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:50,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921731885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:50,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:50,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:40:50,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461070640] [2024-10-11 20:40:50,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:50,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:40:50,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:40:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:50,509 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:50,531 INFO L93 Difference]: Finished difference Result 305 states and 380 transitions. [2024-10-11 20:40:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-11 20:40:50,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:50,532 INFO L225 Difference]: With dead ends: 305 [2024-10-11 20:40:50,532 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 20:40:50,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:40:50,533 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 108 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:50,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 20:40:50,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-11 20:40:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 224 states have (on average 1.4776785714285714) internal successors, (331), 278 states have internal predecessors, (331), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:40:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 377 transitions. [2024-10-11 20:40:50,545 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 377 transitions. Word has length 59 [2024-10-11 20:40:50,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:50,546 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 377 transitions. [2024-10-11 20:40:50,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 377 transitions. [2024-10-11 20:40:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:40:50,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:50,546 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:40:50,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:40:50,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:50,747 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:50,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:50,748 INFO L85 PathProgramCache]: Analyzing trace with hash -498741962, now seen corresponding path program 1 times [2024-10-11 20:40:50,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:50,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123103168] [2024-10-11 20:40:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:50,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:50,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123103168] [2024-10-11 20:40:50,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123103168] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:50,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784329396] [2024-10-11 20:40:50,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:50,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:50,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:50,833 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:50,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:40:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:50,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:50,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:50,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784329396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:50,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:40:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257065594] [2024-10-11 20:40:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:40:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:50,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:40:50,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:50,926 INFO L87 Difference]: Start difference. First operand 304 states and 377 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:50,976 INFO L93 Difference]: Finished difference Result 396 states and 485 transitions. [2024-10-11 20:40:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:50,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-11 20:40:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:50,978 INFO L225 Difference]: With dead ends: 396 [2024-10-11 20:40:50,978 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:40:50,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:40:50,979 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 103 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:50,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 608 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:40:50,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:40:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 357. [2024-10-11 20:40:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 269 states have (on average 1.483271375464684) internal successors, (399), 324 states have internal predecessors, (399), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 20:40:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 461 transitions. [2024-10-11 20:40:50,991 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 461 transitions. Word has length 60 [2024-10-11 20:40:50,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:50,992 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 461 transitions. [2024-10-11 20:40:50,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:40:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 461 transitions. [2024-10-11 20:40:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:40:50,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:50,992 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-10-11 20:40:51,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:51,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 20:40:51,193 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:51,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:51,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313255, now seen corresponding path program 1 times [2024-10-11 20:40:51,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:51,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045909383] [2024-10-11 20:40:51,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045909383] [2024-10-11 20:40:51,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045909383] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113747537] [2024-10-11 20:40:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:51,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:51,257 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:51,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:40:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:40:51,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113747537] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:40:51,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:40:51,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-11 20:40:51,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411939569] [2024-10-11 20:40:51,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:51,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:40:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:51,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:40:51,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:40:51,417 INFO L87 Difference]: Start difference. First operand 357 states and 461 transitions. Second operand has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:40:51,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:51,558 INFO L93 Difference]: Finished difference Result 926 states and 1133 transitions. [2024-10-11 20:40:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:40:51,559 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 62 [2024-10-11 20:40:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:51,563 INFO L225 Difference]: With dead ends: 926 [2024-10-11 20:40:51,563 INFO L226 Difference]: Without dead ends: 826 [2024-10-11 20:40:51,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:40:51,565 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 280 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:51,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1026 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:40:51,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-10-11 20:40:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 686. [2024-10-11 20:40:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 564 states have (on average 1.4716312056737588) internal successors, (830), 624 states have internal predecessors, (830), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 954 transitions. [2024-10-11 20:40:51,593 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 954 transitions. Word has length 62 [2024-10-11 20:40:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:51,593 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 954 transitions. [2024-10-11 20:40:51,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:40:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 954 transitions. [2024-10-11 20:40:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:40:51,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:51,594 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1] [2024-10-11 20:40:51,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:40:51,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:51,798 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313240, now seen corresponding path program 1 times [2024-10-11 20:40:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006228669] [2024-10-11 20:40:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:51,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348064111] [2024-10-11 20:40:51,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:51,809 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:51,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:40:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:51,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:40:51,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:51,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:52,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006228669] [2024-10-11 20:40:52,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:52,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348064111] [2024-10-11 20:40:52,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348064111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:52,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:52,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:40:52,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886495573] [2024-10-11 20:40:52,093 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:52,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:52,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:52,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:52,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:52,095 INFO L87 Difference]: Start difference. First operand 686 states and 954 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:52,508 INFO L93 Difference]: Finished difference Result 731 states and 1017 transitions. [2024-10-11 20:40:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:52,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 62 [2024-10-11 20:40:52,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:52,511 INFO L225 Difference]: With dead ends: 731 [2024-10-11 20:40:52,511 INFO L226 Difference]: Without dead ends: 729 [2024-10-11 20:40:52,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:52,512 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 39 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:52,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 191 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:40:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-10-11 20:40:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 689. [2024-10-11 20:40:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 567 states have (on average 1.4620811287477955) internal successors, (829), 627 states have internal predecessors, (829), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 953 transitions. [2024-10-11 20:40:52,542 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 953 transitions. Word has length 62 [2024-10-11 20:40:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:52,542 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 953 transitions. [2024-10-11 20:40:52,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 953 transitions. [2024-10-11 20:40:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:40:52,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:52,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:52,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:40:52,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 20:40:52,744 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:52,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:52,744 INFO L85 PathProgramCache]: Analyzing trace with hash 830797341, now seen corresponding path program 1 times [2024-10-11 20:40:52,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:52,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855325303] [2024-10-11 20:40:52,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:52,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:40:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 20:40:52,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:52,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855325303] [2024-10-11 20:40:52,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855325303] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:52,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50295468] [2024-10-11 20:40:52,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:52,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:52,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:40:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:52,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:40:52,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:40:53,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:53,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50295468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:53,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:53,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:40:53,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945004181] [2024-10-11 20:40:53,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:53,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:53,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:53,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:53,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:40:53,035 INFO L87 Difference]: Start difference. First operand 689 states and 953 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-10-11 20:40:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:53,475 INFO L93 Difference]: Finished difference Result 736 states and 1025 transitions. [2024-10-11 20:40:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:40:53,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 64 [2024-10-11 20:40:53,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:53,478 INFO L225 Difference]: With dead ends: 736 [2024-10-11 20:40:53,478 INFO L226 Difference]: Without dead ends: 735 [2024-10-11 20:40:53,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:53,479 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 90 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:53,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 134 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:40:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-11 20:40:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 689. [2024-10-11 20:40:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 567 states have (on average 1.4550264550264551) internal successors, (825), 627 states have internal predecessors, (825), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 949 transitions. [2024-10-11 20:40:53,507 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 949 transitions. Word has length 64 [2024-10-11 20:40:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:53,507 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 949 transitions. [2024-10-11 20:40:53,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-10-11 20:40:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 949 transitions. [2024-10-11 20:40:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:40:53,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:53,508 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1] [2024-10-11 20:40:53,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:40:53,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:53,713 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:53,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:53,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1729864355, now seen corresponding path program 1 times [2024-10-11 20:40:53,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:53,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259975290] [2024-10-11 20:40:53,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:53,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:53,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467659730] [2024-10-11 20:40:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:53,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:53,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:53,723 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:53,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:40:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:53,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:40:53,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:40:53,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:54,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:54,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259975290] [2024-10-11 20:40:54,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:54,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467659730] [2024-10-11 20:40:54,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467659730] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:54,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:54,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:40:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080577429] [2024-10-11 20:40:54,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:54,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:54,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:54,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:54,330 INFO L87 Difference]: Start difference. First operand 689 states and 949 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 20:40:54,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:54,634 INFO L93 Difference]: Finished difference Result 731 states and 1006 transitions. [2024-10-11 20:40:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:40:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 63 [2024-10-11 20:40:54,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:54,637 INFO L225 Difference]: With dead ends: 731 [2024-10-11 20:40:54,637 INFO L226 Difference]: Without dead ends: 729 [2024-10-11 20:40:54,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:40:54,639 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 78 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:54,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 147 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:40:54,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-10-11 20:40:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 692. [2024-10-11 20:40:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4456140350877194) internal successors, (824), 630 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 948 transitions. [2024-10-11 20:40:54,665 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 948 transitions. Word has length 63 [2024-10-11 20:40:54,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:54,665 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 948 transitions. [2024-10-11 20:40:54,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-10-11 20:40:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 948 transitions. [2024-10-11 20:40:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:40:54,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:54,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:54,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:40:54,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:40:54,871 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:54,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:54,871 INFO L85 PathProgramCache]: Analyzing trace with hash -15086058, now seen corresponding path program 1 times [2024-10-11 20:40:54,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:54,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608006761] [2024-10-11 20:40:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:40:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:40:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:40:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:40:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:40:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:40:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:40:54,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:54,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608006761] [2024-10-11 20:40:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608006761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:54,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034554244] [2024-10-11 20:40:54,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:54,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:54,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:54,984 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:54,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:40:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:40:55,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:40:55,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:55,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034554244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:55,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:55,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-11 20:40:55,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021435187] [2024-10-11 20:40:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:55,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:55,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:55,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:55,180 INFO L87 Difference]: Start difference. First operand 692 states and 948 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-10-11 20:40:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:55,694 INFO L93 Difference]: Finished difference Result 736 states and 1014 transitions. [2024-10-11 20:40:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:55,695 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), 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 65 [2024-10-11 20:40:55,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:55,697 INFO L225 Difference]: With dead ends: 736 [2024-10-11 20:40:55,697 INFO L226 Difference]: Without dead ends: 735 [2024-10-11 20:40:55,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:40:55,698 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 87 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:55,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 143 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:40:55,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-11 20:40:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 692. [2024-10-11 20:40:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4385964912280702) internal successors, (820), 630 states have internal predecessors, (820), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 944 transitions. [2024-10-11 20:40:55,737 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 944 transitions. Word has length 65 [2024-10-11 20:40:55,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:55,738 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 944 transitions. [2024-10-11 20:40:55,738 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), 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) [2024-10-11 20:40:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 944 transitions. [2024-10-11 20:40:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:40:55,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:55,739 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1] [2024-10-11 20:40:55,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:40:55,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:55,942 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:55,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:55,943 INFO L85 PathProgramCache]: Analyzing trace with hash 923639580, now seen corresponding path program 1 times [2024-10-11 20:40:55,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:55,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301870470] [2024-10-11 20:40:55,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:55,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:55,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669716398] [2024-10-11 20:40:55,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:55,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:55,952 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:55,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:40:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:55,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:55,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-11 20:40:56,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:56,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:56,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301870470] [2024-10-11 20:40:56,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:56,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669716398] [2024-10-11 20:40:56,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669716398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:56,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:56,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:56,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769237928] [2024-10-11 20:40:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:56,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:56,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:56,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:56,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:56,041 INFO L87 Difference]: Start difference. First operand 692 states and 944 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:56,834 INFO L93 Difference]: Finished difference Result 744 states and 995 transitions. [2024-10-11 20:40:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:56,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 66 [2024-10-11 20:40:56,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:56,836 INFO L225 Difference]: With dead ends: 744 [2024-10-11 20:40:56,836 INFO L226 Difference]: Without dead ends: 743 [2024-10-11 20:40:56,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:56,839 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 80 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:56,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 220 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:40:56,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-11 20:40:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 692. [2024-10-11 20:40:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4333333333333333) internal successors, (817), 630 states have internal predecessors, (817), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 941 transitions. [2024-10-11 20:40:56,866 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 941 transitions. Word has length 66 [2024-10-11 20:40:56,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:56,866 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 941 transitions. [2024-10-11 20:40:56,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 941 transitions. [2024-10-11 20:40:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 20:40:56,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:56,867 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1] [2024-10-11 20:40:56,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:57,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:40:57,067 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:57,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:57,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1431944031, now seen corresponding path program 1 times [2024-10-11 20:40:57,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:57,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979446138] [2024-10-11 20:40:57,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:57,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:57,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125304687] [2024-10-11 20:40:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:57,078 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:57,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:40:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:57,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:40:57,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:40:57,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:40:57,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:57,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979446138] [2024-10-11 20:40:57,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:57,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125304687] [2024-10-11 20:40:57,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125304687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:40:57,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:40:57,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:40:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691703379] [2024-10-11 20:40:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:40:57,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:40:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:40:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:57,263 INFO L87 Difference]: Start difference. First operand 692 states and 941 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:57,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:57,850 INFO L93 Difference]: Finished difference Result 746 states and 992 transitions. [2024-10-11 20:40:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:40:57,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 67 [2024-10-11 20:40:57,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:57,853 INFO L225 Difference]: With dead ends: 746 [2024-10-11 20:40:57,853 INFO L226 Difference]: Without dead ends: 743 [2024-10-11 20:40:57,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:40:57,853 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:57,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 177 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:40:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-11 20:40:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 701. [2024-10-11 20:40:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 579 states have (on average 1.4231433506044906) internal successors, (824), 639 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 20:40:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 948 transitions. [2024-10-11 20:40:57,878 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 948 transitions. Word has length 67 [2024-10-11 20:40:57,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:57,879 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 948 transitions. [2024-10-11 20:40:57,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-11 20:40:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 948 transitions. [2024-10-11 20:40:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 20:40:57,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:57,879 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:40:57,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:58,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:40:58,080 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:58,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1208303185, now seen corresponding path program 1 times [2024-10-11 20:40:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:58,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757916939] [2024-10-11 20:40:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:58,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409015309] [2024-10-11 20:40:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:58,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:58,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:58,093 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:58,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:40:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:58,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:40:58,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:40:58,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:58,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:58,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757916939] [2024-10-11 20:40:58,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:58,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409015309] [2024-10-11 20:40:58,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409015309] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:58,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:58,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:40:58,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541878468] [2024-10-11 20:40:58,468 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:58,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:40:58,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:40:58,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:58,469 INFO L87 Difference]: Start difference. First operand 701 states and 948 transitions. Second operand has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:40:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:58,978 INFO L93 Difference]: Finished difference Result 858 states and 1165 transitions. [2024-10-11 20:40:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:40:58,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-10-11 20:40:58,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:58,981 INFO L225 Difference]: With dead ends: 858 [2024-10-11 20:40:58,981 INFO L226 Difference]: Without dead ends: 854 [2024-10-11 20:40:58,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:40:58,981 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 344 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:58,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 329 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:40:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-11 20:40:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 762. [2024-10-11 20:40:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 632 states have (on average 1.4382911392405062) internal successors, (909), 694 states have internal predecessors, (909), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-11 20:40:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1049 transitions. [2024-10-11 20:40:59,012 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1049 transitions. Word has length 73 [2024-10-11 20:40:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:59,013 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1049 transitions. [2024-10-11 20:40:59,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:40:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1049 transitions. [2024-10-11 20:40:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:40:59,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:59,013 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 20:40:59,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-11 20:40:59,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:40:59,214 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:40:59,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:59,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1197306863, now seen corresponding path program 1 times [2024-10-11 20:40:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582979902] [2024-10-11 20:40:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:59,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [814622774] [2024-10-11 20:40:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:59,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:59,239 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:59,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:40:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:40:59,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:40:59,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:40:59,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:00,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:00,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582979902] [2024-10-11 20:41:00,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:00,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814622774] [2024-10-11 20:41:00,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814622774] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:00,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:00,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:00,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288238554] [2024-10-11 20:41:00,162 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:00,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:00,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:00,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:00,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:00,163 INFO L87 Difference]: Start difference. First operand 762 states and 1049 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:00,583 INFO L93 Difference]: Finished difference Result 784 states and 1062 transitions. [2024-10-11 20:41:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:00,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-10-11 20:41:00,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:00,585 INFO L225 Difference]: With dead ends: 784 [2024-10-11 20:41:00,585 INFO L226 Difference]: Without dead ends: 778 [2024-10-11 20:41:00,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:00,586 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 197 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:00,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 394 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-10-11 20:41:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 756. [2024-10-11 20:41:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 632 states have (on average 1.389240506329114) internal successors, (878), 688 states have internal predecessors, (878), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-11 20:41:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1018 transitions. [2024-10-11 20:41:00,618 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1018 transitions. Word has length 74 [2024-10-11 20:41:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:00,618 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1018 transitions. [2024-10-11 20:41:00,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1018 transitions. [2024-10-11 20:41:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:41:00,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:00,620 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:41:00,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:41:00,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:00,820 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:00,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1538192979, now seen corresponding path program 1 times [2024-10-11 20:41:00,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:00,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835194488] [2024-10-11 20:41:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:00,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:00,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2124461637] [2024-10-11 20:41:00,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:00,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:00,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:00,831 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:00,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:41:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:00,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:41:00,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:01,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835194488] [2024-10-11 20:41:01,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124461637] [2024-10-11 20:41:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124461637] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:01,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:41:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546420419] [2024-10-11 20:41:01,240 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:01,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:01,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:01,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:01,241 INFO L87 Difference]: Start difference. First operand 756 states and 1018 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:02,107 INFO L93 Difference]: Finished difference Result 993 states and 1384 transitions. [2024-10-11 20:41:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-10-11 20:41:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:02,110 INFO L225 Difference]: With dead ends: 993 [2024-10-11 20:41:02,110 INFO L226 Difference]: Without dead ends: 985 [2024-10-11 20:41:02,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:41:02,111 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 323 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:02,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 360 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:41:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-10-11 20:41:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 951. [2024-10-11 20:41:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 807 states have (on average 1.4287484510532837) internal successors, (1153), 865 states have internal predecessors, (1153), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-10-11 20:41:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1333 transitions. [2024-10-11 20:41:02,160 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1333 transitions. Word has length 75 [2024-10-11 20:41:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:02,160 INFO L471 AbstractCegarLoop]: Abstraction has 951 states and 1333 transitions. [2024-10-11 20:41:02,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1333 transitions. [2024-10-11 20:41:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:41:02,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:02,161 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:41:02,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:02,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 20:41:02,361 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:02,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash 439342163, now seen corresponding path program 1 times [2024-10-11 20:41:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224374027] [2024-10-11 20:41:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:02,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483125508] [2024-10-11 20:41:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:02,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:02,373 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:02,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:41:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:02,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:41:02,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:02,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:03,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:03,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224374027] [2024-10-11 20:41:03,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:03,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483125508] [2024-10-11 20:41:03,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483125508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:03,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:03,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:41:03,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45590820] [2024-10-11 20:41:03,487 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:03,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:03,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:03,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:03,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:03,488 INFO L87 Difference]: Start difference. First operand 951 states and 1333 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:04,278 INFO L93 Difference]: Finished difference Result 1073 states and 1503 transitions. [2024-10-11 20:41:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:04,279 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-10-11 20:41:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:04,282 INFO L225 Difference]: With dead ends: 1073 [2024-10-11 20:41:04,282 INFO L226 Difference]: Without dead ends: 1071 [2024-10-11 20:41:04,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:41:04,282 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 371 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:04,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:41:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-10-11 20:41:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 998. [2024-10-11 20:41:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 849 states have (on average 1.4181389870435808) internal successors, (1204), 907 states have internal predecessors, (1204), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-11 20:41:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1394 transitions. [2024-10-11 20:41:04,327 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1394 transitions. Word has length 76 [2024-10-11 20:41:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:04,327 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1394 transitions. [2024-10-11 20:41:04,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1394 transitions. [2024-10-11 20:41:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:41:04,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:04,328 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:41:04,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:04,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-11 20:41:04,528 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 734705237, now seen corresponding path program 1 times [2024-10-11 20:41:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:04,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504026062] [2024-10-11 20:41:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:04,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:04,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1426661672] [2024-10-11 20:41:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:04,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:04,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:04,539 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:04,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:41:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:04,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:41:04,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:41:04,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:05,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504026062] [2024-10-11 20:41:05,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426661672] [2024-10-11 20:41:05,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426661672] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:05,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:05,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:41:05,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301302241] [2024-10-11 20:41:05,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:05,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:41:05,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:05,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:41:05,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:41:05,115 INFO L87 Difference]: Start difference. First operand 998 states and 1394 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:06,305 INFO L93 Difference]: Finished difference Result 1082 states and 1498 transitions. [2024-10-11 20:41:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:41:06,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-10-11 20:41:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:06,308 INFO L225 Difference]: With dead ends: 1082 [2024-10-11 20:41:06,308 INFO L226 Difference]: Without dead ends: 996 [2024-10-11 20:41:06,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:41:06,309 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 446 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:06,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 358 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:41:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-11 20:41:06,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 864. [2024-10-11 20:41:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 731 states have (on average 1.4227086183310533) internal successors, (1040), 787 states have internal predecessors, (1040), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-11 20:41:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1198 transitions. [2024-10-11 20:41:06,348 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1198 transitions. Word has length 77 [2024-10-11 20:41:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:06,349 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1198 transitions. [2024-10-11 20:41:06,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1198 transitions. [2024-10-11 20:41:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:41:06,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:06,349 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 20:41:06,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-11 20:41:06,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:06,550 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:06,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:06,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1301025941, now seen corresponding path program 1 times [2024-10-11 20:41:06,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:06,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023418261] [2024-10-11 20:41:06,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:06,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:06,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013187328] [2024-10-11 20:41:06,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:06,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:06,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:06,563 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:06,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:41:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:06,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:06,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 20:41:06,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023418261] [2024-10-11 20:41:11,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013187328] [2024-10-11 20:41:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013187328] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:11,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:11,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:11,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126675897] [2024-10-11 20:41:11,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:11,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:11,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:11,117 INFO L87 Difference]: Start difference. First operand 864 states and 1198 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:12,347 INFO L93 Difference]: Finished difference Result 948 states and 1314 transitions. [2024-10-11 20:41:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:12,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-10-11 20:41:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:12,350 INFO L225 Difference]: With dead ends: 948 [2024-10-11 20:41:12,350 INFO L226 Difference]: Without dead ends: 944 [2024-10-11 20:41:12,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:41:12,351 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 179 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:12,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 381 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:41:12,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-11 20:41:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 926. [2024-10-11 20:41:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 789 states have (on average 1.4081115335868188) internal successors, (1111), 843 states have internal predecessors, (1111), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-10-11 20:41:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1281 transitions. [2024-10-11 20:41:12,394 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1281 transitions. Word has length 78 [2024-10-11 20:41:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:12,394 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1281 transitions. [2024-10-11 20:41:12,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:41:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1281 transitions. [2024-10-11 20:41:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:41:12,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:12,395 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:41:12,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:41:12,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:12,596 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:12,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:12,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2045201422, now seen corresponding path program 1 times [2024-10-11 20:41:12,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680122191] [2024-10-11 20:41:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210086308] [2024-10-11 20:41:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:12,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:12,608 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:12,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:41:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:12,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:12,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:12,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:14,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680122191] [2024-10-11 20:41:14,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:14,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210086308] [2024-10-11 20:41:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210086308] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:14,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:14,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:14,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505904260] [2024-10-11 20:41:14,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:14,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:14,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:14,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:14,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:14,223 INFO L87 Difference]: Start difference. First operand 926 states and 1281 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:14,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:14,635 INFO L93 Difference]: Finished difference Result 1176 states and 1663 transitions. [2024-10-11 20:41:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:41:14,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2024-10-11 20:41:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:14,639 INFO L225 Difference]: With dead ends: 1176 [2024-10-11 20:41:14,639 INFO L226 Difference]: Without dead ends: 1174 [2024-10-11 20:41:14,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:14,639 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 295 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:14,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 325 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:14,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-10-11 20:41:14,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1132. [2024-10-11 20:41:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 972 states have (on average 1.4423868312757202) internal successors, (1402), 1027 states have internal predecessors, (1402), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 20:41:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1618 transitions. [2024-10-11 20:41:14,689 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1618 transitions. Word has length 84 [2024-10-11 20:41:14,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:14,690 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1618 transitions. [2024-10-11 20:41:14,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1618 transitions. [2024-10-11 20:41:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:41:14,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:14,690 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:41:14,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-11 20:41:14,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-11 20:41:14,891 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:14,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1023265279, now seen corresponding path program 1 times [2024-10-11 20:41:14,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:14,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176587844] [2024-10-11 20:41:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:14,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:14,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056030206] [2024-10-11 20:41:14,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:14,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:14,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:14,901 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:14,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:41:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:14,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:14,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:15,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:16,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176587844] [2024-10-11 20:41:16,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056030206] [2024-10-11 20:41:16,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056030206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:16,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:16,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:16,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219539965] [2024-10-11 20:41:16,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:16,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:16,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:16,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:41:16,996 INFO L87 Difference]: Start difference. First operand 1132 states and 1618 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:17,372 INFO L93 Difference]: Finished difference Result 1137 states and 1618 transitions. [2024-10-11 20:41:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-10-11 20:41:17,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:17,375 INFO L225 Difference]: With dead ends: 1137 [2024-10-11 20:41:17,376 INFO L226 Difference]: Without dead ends: 1131 [2024-10-11 20:41:17,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:41:17,376 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 152 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:17,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 312 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:41:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-10-11 20:41:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 924. [2024-10-11 20:41:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 792 states have (on average 1.3484848484848484) internal successors, (1068), 838 states have internal predecessors, (1068), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 20:41:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1240 transitions. [2024-10-11 20:41:17,418 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1240 transitions. Word has length 85 [2024-10-11 20:41:17,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:17,419 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1240 transitions. [2024-10-11 20:41:17,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1240 transitions. [2024-10-11 20:41:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:41:17,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:17,420 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1] [2024-10-11 20:41:17,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:17,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:17,620 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:17,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:17,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1582020818, now seen corresponding path program 1 times [2024-10-11 20:41:17,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:17,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409348063] [2024-10-11 20:41:17,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:17,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953797567] [2024-10-11 20:41:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:17,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:17,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:17,631 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:17,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:41:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:17,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:41:17,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-11 20:41:17,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:18,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:18,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409348063] [2024-10-11 20:41:18,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:18,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953797567] [2024-10-11 20:41:18,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953797567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:18,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:18,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:41:18,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819475304] [2024-10-11 20:41:18,106 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:18,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:18,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:18,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:18,107 INFO L87 Difference]: Start difference. First operand 924 states and 1240 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 20:41:19,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:19,020 INFO L93 Difference]: Finished difference Result 1168 states and 1609 transitions. [2024-10-11 20:41:19,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:41:19,021 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 88 [2024-10-11 20:41:19,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:19,024 INFO L225 Difference]: With dead ends: 1168 [2024-10-11 20:41:19,024 INFO L226 Difference]: Without dead ends: 1164 [2024-10-11 20:41:19,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:41:19,025 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 361 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:19,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 328 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:41:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-10-11 20:41:19,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1046. [2024-10-11 20:41:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 900 states have (on average 1.3722222222222222) internal successors, (1235), 948 states have internal predecessors, (1235), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 20:41:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1435 transitions. [2024-10-11 20:41:19,079 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1435 transitions. Word has length 88 [2024-10-11 20:41:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:19,079 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1435 transitions. [2024-10-11 20:41:19,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 20:41:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1435 transitions. [2024-10-11 20:41:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:41:19,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:19,080 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1] [2024-10-11 20:41:19,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:41:19,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:41:19,285 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:19,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:19,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1798005189, now seen corresponding path program 1 times [2024-10-11 20:41:19,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:19,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819458257] [2024-10-11 20:41:19,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:19,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:19,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937754149] [2024-10-11 20:41:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:19,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:19,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:19,295 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:19,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:41:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:19,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:41:19,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-11 20:41:19,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:19,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:19,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819458257] [2024-10-11 20:41:19,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:19,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937754149] [2024-10-11 20:41:19,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937754149] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:19,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:19,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:41:19,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916866275] [2024-10-11 20:41:19,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:19,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:19,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:19,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:19,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:19,767 INFO L87 Difference]: Start difference. First operand 1046 states and 1435 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:20,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:20,770 INFO L93 Difference]: Finished difference Result 1099 states and 1511 transitions. [2024-10-11 20:41:20,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:20,771 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 89 [2024-10-11 20:41:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:20,774 INFO L225 Difference]: With dead ends: 1099 [2024-10-11 20:41:20,774 INFO L226 Difference]: Without dead ends: 1095 [2024-10-11 20:41:20,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:20,775 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 229 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:20,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 354 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:41:20,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-10-11 20:41:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1077. [2024-10-11 20:41:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 930 states have (on average 1.3655913978494623) internal successors, (1270), 975 states have internal predecessors, (1270), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-10-11 20:41:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1476 transitions. [2024-10-11 20:41:20,830 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1476 transitions. Word has length 89 [2024-10-11 20:41:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:20,831 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1476 transitions. [2024-10-11 20:41:20,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 20:41:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1476 transitions. [2024-10-11 20:41:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:41:20,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:20,831 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:20,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:41:21,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:41:21,033 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:21,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:21,033 INFO L85 PathProgramCache]: Analyzing trace with hash -22969960, now seen corresponding path program 1 times [2024-10-11 20:41:21,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:21,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506646455] [2024-10-11 20:41:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:21,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:21,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506646455] [2024-10-11 20:41:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506646455] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:21,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296312479] [2024-10-11 20:41:21,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:21,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:21,126 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:21,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:41:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:21,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:41:21,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:21,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296312479] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:21,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:21,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:41:21,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560663944] [2024-10-11 20:41:21,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:21,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:21,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:21,450 INFO L87 Difference]: Start difference. First operand 1077 states and 1476 transitions. Second operand has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:21,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:21,944 INFO L93 Difference]: Finished difference Result 1217 states and 1597 transitions. [2024-10-11 20:41:21,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:41:21,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-11 20:41:21,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:21,948 INFO L225 Difference]: With dead ends: 1217 [2024-10-11 20:41:21,948 INFO L226 Difference]: Without dead ends: 1216 [2024-10-11 20:41:21,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:41:21,949 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 1206 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:21,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 370 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-10-11 20:41:22,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1127. [2024-10-11 20:41:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 974 states have (on average 1.3593429158110883) internal successors, (1324), 1019 states have internal predecessors, (1324), 109 states have call successors, (109), 6 states have call predecessors, (109), 6 states have return successors, (109), 101 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-11 20:41:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1542 transitions. [2024-10-11 20:41:22,012 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1542 transitions. Word has length 98 [2024-10-11 20:41:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:22,012 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1542 transitions. [2024-10-11 20:41:22,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1542 transitions. [2024-10-11 20:41:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:41:22,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:22,013 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:22,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 20:41:22,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:41:22,218 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:22,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:22,218 INFO L85 PathProgramCache]: Analyzing trace with hash -22983862, now seen corresponding path program 1 times [2024-10-11 20:41:22,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:22,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376064766] [2024-10-11 20:41:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:22,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:22,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376064766] [2024-10-11 20:41:22,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376064766] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:22,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276724726] [2024-10-11 20:41:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:22,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:22,285 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:22,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:41:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:22,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:41:22,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:22,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:22,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276724726] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:22,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:22,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-10-11 20:41:22,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656378467] [2024-10-11 20:41:22,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:22,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:41:22,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:22,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:41:22,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:41:22,603 INFO L87 Difference]: Start difference. First operand 1127 states and 1542 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:23,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:23,913 INFO L93 Difference]: Finished difference Result 1668 states and 2198 transitions. [2024-10-11 20:41:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 20:41:23,913 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-11 20:41:23,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:23,917 INFO L225 Difference]: With dead ends: 1668 [2024-10-11 20:41:23,917 INFO L226 Difference]: Without dead ends: 1666 [2024-10-11 20:41:23,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-10-11 20:41:23,919 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 2141 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:23,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 768 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:41:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-10-11 20:41:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1270. [2024-10-11 20:41:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1104 states have (on average 1.3677536231884058) internal successors, (1510), 1149 states have internal predecessors, (1510), 122 states have call successors, (122), 6 states have call predecessors, (122), 6 states have return successors, (122), 114 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-11 20:41:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1754 transitions. [2024-10-11 20:41:23,985 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1754 transitions. Word has length 98 [2024-10-11 20:41:23,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:23,986 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1754 transitions. [2024-10-11 20:41:23,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-11 20:41:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1754 transitions. [2024-10-11 20:41:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:41:23,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:23,986 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:23,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:24,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:24,191 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:24,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:24,191 INFO L85 PathProgramCache]: Analyzing trace with hash -712068644, now seen corresponding path program 1 times [2024-10-11 20:41:24,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:24,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653865769] [2024-10-11 20:41:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:24,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653865769] [2024-10-11 20:41:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653865769] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103932977] [2024-10-11 20:41:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:24,256 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:24,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:41:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:24,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:24,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:24,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:24,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103932977] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:24,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:24,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-11 20:41:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535525792] [2024-10-11 20:41:24,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:24,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:24,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:24,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:24,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:41:24,516 INFO L87 Difference]: Start difference. First operand 1270 states and 1754 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:25,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:25,119 INFO L93 Difference]: Finished difference Result 1690 states and 2356 transitions. [2024-10-11 20:41:25,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:25,123 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 99 [2024-10-11 20:41:25,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:25,132 INFO L225 Difference]: With dead ends: 1690 [2024-10-11 20:41:25,132 INFO L226 Difference]: Without dead ends: 1688 [2024-10-11 20:41:25,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:25,133 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 289 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:25,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 335 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2024-10-11 20:41:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1410. [2024-10-11 20:41:25,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1232 states have (on average 1.3733766233766234) internal successors, (1692), 1277 states have internal predecessors, (1692), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-10-11 20:41:25,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1960 transitions. [2024-10-11 20:41:25,207 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1960 transitions. Word has length 99 [2024-10-11 20:41:25,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:25,208 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 1960 transitions. [2024-10-11 20:41:25,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1960 transitions. [2024-10-11 20:41:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 20:41:25,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:25,208 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:25,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:25,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-11 20:41:25,409 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:25,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2105962864, now seen corresponding path program 1 times [2024-10-11 20:41:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787990752] [2024-10-11 20:41:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:25,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:25,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787990752] [2024-10-11 20:41:25,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787990752] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:25,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244986446] [2024-10-11 20:41:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:25,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:25,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:25,477 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:25,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:41:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:25,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:41:25,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:25,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:25,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244986446] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:25,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:41:25,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-11 20:41:25,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430004586] [2024-10-11 20:41:25,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:25,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:41:25,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:41:25,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:41:25,776 INFO L87 Difference]: Start difference. First operand 1410 states and 1960 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:26,401 INFO L93 Difference]: Finished difference Result 2002 states and 2830 transitions. [2024-10-11 20:41:26,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:26,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 101 [2024-10-11 20:41:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:26,406 INFO L225 Difference]: With dead ends: 2002 [2024-10-11 20:41:26,406 INFO L226 Difference]: Without dead ends: 2000 [2024-10-11 20:41:26,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:26,407 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 424 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:26,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 307 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2024-10-11 20:41:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1636. [2024-10-11 20:41:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1437 states have (on average 1.3757828810020878) internal successors, (1977), 1482 states have internal predecessors, (1977), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-11 20:41:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2287 transitions. [2024-10-11 20:41:26,488 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2287 transitions. Word has length 101 [2024-10-11 20:41:26,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:26,488 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2287 transitions. [2024-10-11 20:41:26,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:41:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2287 transitions. [2024-10-11 20:41:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:41:26,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:26,488 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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] [2024-10-11 20:41:26,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-11 20:41:26,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:26,689 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:26,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:26,689 INFO L85 PathProgramCache]: Analyzing trace with hash -259811330, now seen corresponding path program 1 times [2024-10-11 20:41:26,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:26,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985715371] [2024-10-11 20:41:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:26,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:26,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857193333] [2024-10-11 20:41:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:26,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:26,703 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:41:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:26,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:41:26,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-11 20:41:27,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:27,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:27,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985715371] [2024-10-11 20:41:27,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:27,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857193333] [2024-10-11 20:41:27,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857193333] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:27,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:27,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:41:27,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395856299] [2024-10-11 20:41:27,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:27,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:41:27,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:27,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:41:27,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:41:27,223 INFO L87 Difference]: Start difference. First operand 1636 states and 2287 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 20:41:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:28,278 INFO L93 Difference]: Finished difference Result 1700 states and 2369 transitions. [2024-10-11 20:41:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:41:28,278 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 107 [2024-10-11 20:41:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:28,281 INFO L225 Difference]: With dead ends: 1700 [2024-10-11 20:41:28,281 INFO L226 Difference]: Without dead ends: 1696 [2024-10-11 20:41:28,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:41:28,282 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 400 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:28,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 636 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:41:28,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2024-10-11 20:41:28,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1656. [2024-10-11 20:41:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1455 states have (on average 1.3718213058419244) internal successors, (1996), 1500 states have internal predecessors, (1996), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 149 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-11 20:41:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2310 transitions. [2024-10-11 20:41:28,361 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2310 transitions. Word has length 107 [2024-10-11 20:41:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:28,361 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2310 transitions. [2024-10-11 20:41:28,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 20:41:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2310 transitions. [2024-10-11 20:41:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:41:28,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:28,362 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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] [2024-10-11 20:41:28,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:28,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:28,563 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:28,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash -411970910, now seen corresponding path program 2 times [2024-10-11 20:41:28,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:28,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679026232] [2024-10-11 20:41:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:28,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:28,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29676633] [2024-10-11 20:41:28,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:41:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:28,584 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:28,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:41:28,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:41:28,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:41:28,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:41:28,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:28,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679026232] [2024-10-11 20:41:28,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:28,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29676633] [2024-10-11 20:41:28,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29676633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:28,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:28,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:41:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177095321] [2024-10-11 20:41:28,951 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:41:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:41:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:41:28,952 INFO L87 Difference]: Start difference. First operand 1656 states and 2310 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2024-10-11 20:41:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:29,397 INFO L93 Difference]: Finished difference Result 1744 states and 2423 transitions. [2024-10-11 20:41:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:41:29,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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 107 [2024-10-11 20:41:29,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:29,399 INFO L225 Difference]: With dead ends: 1744 [2024-10-11 20:41:29,399 INFO L226 Difference]: Without dead ends: 1740 [2024-10-11 20:41:29,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:29,400 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 218 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:29,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 256 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:41:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-10-11 20:41:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1634. [2024-10-11 20:41:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1439 states have (on average 1.3224461431549688) internal successors, (1903), 1480 states have internal predecessors, (1903), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-11 20:41:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2213 transitions. [2024-10-11 20:41:29,476 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2213 transitions. Word has length 107 [2024-10-11 20:41:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:29,476 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2213 transitions. [2024-10-11 20:41:29,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2024-10-11 20:41:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2213 transitions. [2024-10-11 20:41:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 20:41:29,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:29,477 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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, 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] [2024-10-11 20:41:29,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-11 20:41:29,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:41:29,678 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:29,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:29,678 INFO L85 PathProgramCache]: Analyzing trace with hash 535783415, now seen corresponding path program 1 times [2024-10-11 20:41:29,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:29,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883714872] [2024-10-11 20:41:29,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:29,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:29,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879672812] [2024-10-11 20:41:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:29,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:29,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:29,690 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:29,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:41:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:29,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:41:29,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-11 20:41:30,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:30,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:30,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883714872] [2024-10-11 20:41:30,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:30,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879672812] [2024-10-11 20:41:30,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879672812] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:30,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:30,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:41:30,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007084890] [2024-10-11 20:41:30,732 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:30,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:41:30,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:30,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:41:30,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:41:30,732 INFO L87 Difference]: Start difference. First operand 1634 states and 2213 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 20:41:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:31,328 INFO L93 Difference]: Finished difference Result 1663 states and 2241 transitions. [2024-10-11 20:41:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-10-11 20:41:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:31,331 INFO L225 Difference]: With dead ends: 1663 [2024-10-11 20:41:31,331 INFO L226 Difference]: Without dead ends: 1661 [2024-10-11 20:41:31,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:41:31,332 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 389 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:31,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 275 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2024-10-11 20:41:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1634. [2024-10-11 20:41:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1439 states have (on average 1.3210562890896456) internal successors, (1901), 1480 states have internal predecessors, (1901), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-11 20:41:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2211 transitions. [2024-10-11 20:41:31,413 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2211 transitions. Word has length 108 [2024-10-11 20:41:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:31,413 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2211 transitions. [2024-10-11 20:41:31,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 20:41:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2211 transitions. [2024-10-11 20:41:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 20:41:31,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:31,415 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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, 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] [2024-10-11 20:41:31,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-11 20:41:31,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:31,615 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:31,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:31,616 INFO L85 PathProgramCache]: Analyzing trace with hash 113803731, now seen corresponding path program 2 times [2024-10-11 20:41:31,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:31,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437059362] [2024-10-11 20:41:31,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:31,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425067244] [2024-10-11 20:41:31,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:41:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:31,626 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:31,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:41:31,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:41:31,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:41:31,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:41:31,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:31,918 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:32,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:32,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437059362] [2024-10-11 20:41:32,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:32,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425067244] [2024-10-11 20:41:32,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425067244] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:32,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:41:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-11 20:41:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432646605] [2024-10-11 20:41:32,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:32,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:41:32,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:32,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:41:32,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:32,629 INFO L87 Difference]: Start difference. First operand 1634 states and 2211 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 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) [2024-10-11 20:41:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:36,394 INFO L93 Difference]: Finished difference Result 1717 states and 2295 transitions. [2024-10-11 20:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:41:36,394 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 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 108 [2024-10-11 20:41:36,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:36,397 INFO L225 Difference]: With dead ends: 1717 [2024-10-11 20:41:36,397 INFO L226 Difference]: Without dead ends: 1714 [2024-10-11 20:41:36,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:41:36,397 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 541 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:36,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 484 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-11 20:41:36,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-10-11 20:41:36,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1648. [2024-10-11 20:41:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1452 states have (on average 1.315426997245179) internal successors, (1910), 1493 states have internal predecessors, (1910), 156 states have call successors, (156), 6 states have call predecessors, (156), 6 states have return successors, (156), 148 states have call predecessors, (156), 156 states have call successors, (156) [2024-10-11 20:41:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2222 transitions. [2024-10-11 20:41:36,480 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2222 transitions. Word has length 108 [2024-10-11 20:41:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:36,480 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2222 transitions. [2024-10-11 20:41:36,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 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) [2024-10-11 20:41:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2222 transitions. [2024-10-11 20:41:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 20:41:36,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:36,481 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:36,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:36,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:36,682 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:36,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2071548660, now seen corresponding path program 1 times [2024-10-11 20:41:36,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:36,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715139659] [2024-10-11 20:41:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:41:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:41:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:41:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:41:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:41:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:41:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:41:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:41:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:41:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 20:41:36,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715139659] [2024-10-11 20:41:36,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715139659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:41:36,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:41:36,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:41:36,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889921910] [2024-10-11 20:41:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:36,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:41:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:36,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:41:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:41:36,753 INFO L87 Difference]: Start difference. First operand 1648 states and 2222 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:38,283 INFO L93 Difference]: Finished difference Result 1692 states and 2265 transitions. [2024-10-11 20:41:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 110 [2024-10-11 20:41:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:38,286 INFO L225 Difference]: With dead ends: 1692 [2024-10-11 20:41:38,286 INFO L226 Difference]: Without dead ends: 1674 [2024-10-11 20:41:38,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:38,286 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 239 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:38,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 233 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 20:41:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-10-11 20:41:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1636. [2024-10-11 20:41:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1443 states have (on average 1.3111573111573112) internal successors, (1892), 1482 states have internal predecessors, (1892), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-11 20:41:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2198 transitions. [2024-10-11 20:41:38,379 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2198 transitions. Word has length 110 [2024-10-11 20:41:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:38,380 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2198 transitions. [2024-10-11 20:41:38,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2198 transitions. [2024-10-11 20:41:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 20:41:38,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:38,380 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:38,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-11 20:41:38,381 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:38,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:38,381 INFO L85 PathProgramCache]: Analyzing trace with hash -508211943, now seen corresponding path program 1 times [2024-10-11 20:41:38,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:38,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026170453] [2024-10-11 20:41:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:38,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:38,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97297147] [2024-10-11 20:41:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:38,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:38,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:38,396 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:38,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:41:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:38,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:41:38,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:38,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026170453] [2024-10-11 20:41:39,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97297147] [2024-10-11 20:41:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97297147] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:39,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:39,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:41:39,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263844125] [2024-10-11 20:41:39,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:39,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:41:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:39,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:41:39,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:41:39,009 INFO L87 Difference]: Start difference. First operand 1636 states and 2198 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-10-11 20:41:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:39,558 INFO L93 Difference]: Finished difference Result 1656 states and 2218 transitions. [2024-10-11 20:41:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:41:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 110 [2024-10-11 20:41:39,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:39,561 INFO L225 Difference]: With dead ends: 1656 [2024-10-11 20:41:39,561 INFO L226 Difference]: Without dead ends: 1654 [2024-10-11 20:41:39,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:41:39,562 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 88 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:39,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 253 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:41:39,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2024-10-11 20:41:39,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1636. [2024-10-11 20:41:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1443 states have (on average 1.3097713097713097) internal successors, (1890), 1482 states have internal predecessors, (1890), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-11 20:41:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2196 transitions. [2024-10-11 20:41:39,650 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2196 transitions. Word has length 110 [2024-10-11 20:41:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:39,650 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2196 transitions. [2024-10-11 20:41:39,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-10-11 20:41:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2196 transitions. [2024-10-11 20:41:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 20:41:39,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:39,651 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:39,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:39,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:41:39,851 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:39,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1991204853, now seen corresponding path program 2 times [2024-10-11 20:41:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426382102] [2024-10-11 20:41:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:39,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540816315] [2024-10-11 20:41:39,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:41:39,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:39,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:39,861 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:39,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:41:39,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:41:39,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:41:39,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:41:39,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:40,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:41,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426382102] [2024-10-11 20:41:41,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540816315] [2024-10-11 20:41:41,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540816315] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:41:41,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:41:41,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-10-11 20:41:41,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819715397] [2024-10-11 20:41:41,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:41,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:41,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:41,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:41,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:41,224 INFO L87 Difference]: Start difference. First operand 1636 states and 2196 transitions. Second operand has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 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) [2024-10-11 20:41:47,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:47,379 INFO L93 Difference]: Finished difference Result 1660 states and 2221 transitions. [2024-10-11 20:41:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:41:47,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 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 110 [2024-10-11 20:41:47,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:47,382 INFO L225 Difference]: With dead ends: 1660 [2024-10-11 20:41:47,382 INFO L226 Difference]: Without dead ends: 1658 [2024-10-11 20:41:47,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:47,382 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 252 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:47,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 419 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-10-11 20:41:47,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-10-11 20:41:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1640. [2024-10-11 20:41:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1447 states have (on average 1.3054595715272979) internal successors, (1889), 1486 states have internal predecessors, (1889), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-11 20:41:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2195 transitions. [2024-10-11 20:41:47,469 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2195 transitions. Word has length 110 [2024-10-11 20:41:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:47,469 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2195 transitions. [2024-10-11 20:41:47,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 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) [2024-10-11 20:41:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2195 transitions. [2024-10-11 20:41:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 20:41:47,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:47,470 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:47,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:47,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 20:41:47,671 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:47,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:47,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1425299010, now seen corresponding path program 1 times [2024-10-11 20:41:47,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:47,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112267399] [2024-10-11 20:41:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:47,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125469102] [2024-10-11 20:41:47,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:47,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:47,690 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:47,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-11 20:41:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:47,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:41:47,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:48,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-11 20:41:48,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:48,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112267399] [2024-10-11 20:41:48,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:48,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125469102] [2024-10-11 20:41:48,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125469102] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:48,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:48,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 20:41:48,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338924192] [2024-10-11 20:41:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:48,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:41:48,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:41:48,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:48,683 INFO L87 Difference]: Start difference. First operand 1640 states and 2195 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-11 20:41:50,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:50,822 INFO L93 Difference]: Finished difference Result 1640 states and 2195 transitions. [2024-10-11 20:41:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:50,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 111 [2024-10-11 20:41:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:50,825 INFO L225 Difference]: With dead ends: 1640 [2024-10-11 20:41:50,825 INFO L226 Difference]: Without dead ends: 1639 [2024-10-11 20:41:50,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:50,825 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 93 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:50,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 128 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 20:41:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2024-10-11 20:41:50,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639. [2024-10-11 20:41:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1447 states have (on average 1.2881824464409122) internal successors, (1864), 1485 states have internal predecessors, (1864), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-11 20:41:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2170 transitions. [2024-10-11 20:41:50,925 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2170 transitions. Word has length 111 [2024-10-11 20:41:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:50,925 INFO L471 AbstractCegarLoop]: Abstraction has 1639 states and 2170 transitions. [2024-10-11 20:41:50,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-11 20:41:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2170 transitions. [2024-10-11 20:41:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:41:50,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:50,926 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:50,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-10-11 20:41:51,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-11 20:41:51,130 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:51,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:51,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1234596411, now seen corresponding path program 1 times [2024-10-11 20:41:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:51,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408099246] [2024-10-11 20:41:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:51,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595188004] [2024-10-11 20:41:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:51,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:51,144 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:51,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-11 20:41:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:51,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:41:51,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:41:51,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-10-11 20:41:52,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:52,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408099246] [2024-10-11 20:41:52,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:52,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595188004] [2024-10-11 20:41:52,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595188004] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:52,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:52,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 20:41:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850690388] [2024-10-11 20:41:52,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:41:52,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:41:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:52,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:41:52,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:41:52,271 INFO L87 Difference]: Start difference. First operand 1639 states and 2170 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-11 20:41:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:54,255 INFO L93 Difference]: Finished difference Result 1639 states and 2170 transitions. [2024-10-11 20:41:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:41:54,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 112 [2024-10-11 20:41:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:54,258 INFO L225 Difference]: With dead ends: 1639 [2024-10-11 20:41:54,258 INFO L226 Difference]: Without dead ends: 1636 [2024-10-11 20:41:54,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:41:54,258 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 93 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:54,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 128 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 20:41:54,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2024-10-11 20:41:54,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2024-10-11 20:41:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1447 states have (on average 1.2570836212854182) internal successors, (1819), 1482 states have internal predecessors, (1819), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-11 20:41:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2125 transitions. [2024-10-11 20:41:54,365 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2125 transitions. Word has length 112 [2024-10-11 20:41:54,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:54,366 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2125 transitions. [2024-10-11 20:41:54,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-11 20:41:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2125 transitions. [2024-10-11 20:41:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 20:41:54,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:54,368 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:41:54,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:54,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,44 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:54,568 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:54,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:54,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1937164103, now seen corresponding path program 2 times [2024-10-11 20:41:54,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:54,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641213845] [2024-10-11 20:41:54,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:54,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880769662] [2024-10-11 20:41:54,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:41:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:54,579 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:54,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-11 20:41:54,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:41:54,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:41:54,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:41:54,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 20:41:54,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:54,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:54,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641213845] [2024-10-11 20:41:54,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:54,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880769662] [2024-10-11 20:41:54,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880769662] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:54,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:54,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:41:54,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938872678] [2024-10-11 20:41:54,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:54,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:41:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:41:54,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:41:54,998 INFO L87 Difference]: Start difference. First operand 1636 states and 2125 transitions. Second operand has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:55,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:55,549 INFO L93 Difference]: Finished difference Result 2046 states and 2661 transitions. [2024-10-11 20:41:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:41:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 118 [2024-10-11 20:41:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:55,552 INFO L225 Difference]: With dead ends: 2046 [2024-10-11 20:41:55,552 INFO L226 Difference]: Without dead ends: 2044 [2024-10-11 20:41:55,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:41:55,553 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 370 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:55,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 428 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:41:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2024-10-11 20:41:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1675. [2024-10-11 20:41:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1482 states have (on average 1.2591093117408907) internal successors, (1866), 1517 states have internal predecessors, (1866), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 151 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-11 20:41:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2180 transitions. [2024-10-11 20:41:55,662 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2180 transitions. Word has length 118 [2024-10-11 20:41:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:55,662 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2180 transitions. [2024-10-11 20:41:55,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2180 transitions. [2024-10-11 20:41:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:41:55,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:55,664 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:41:55,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:55,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:55,865 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:55,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash 137011819, now seen corresponding path program 1 times [2024-10-11 20:41:55,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:55,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894029468] [2024-10-11 20:41:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:55,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066389485] [2024-10-11 20:41:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:55,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:55,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:55,879 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:55,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-11 20:41:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:55,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:41:55,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 20:41:56,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:56,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:56,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894029468] [2024-10-11 20:41:56,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:56,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066389485] [2024-10-11 20:41:56,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066389485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:56,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:56,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:41:56,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749326768] [2024-10-11 20:41:56,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:56,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:41:56,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:56,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:41:56,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:41:56,781 INFO L87 Difference]: Start difference. First operand 1675 states and 2180 transitions. Second operand has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:57,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:41:57,501 INFO L93 Difference]: Finished difference Result 1792 states and 2331 transitions. [2024-10-11 20:41:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:41:57,501 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 121 [2024-10-11 20:41:57,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:41:57,504 INFO L225 Difference]: With dead ends: 1792 [2024-10-11 20:41:57,504 INFO L226 Difference]: Without dead ends: 1791 [2024-10-11 20:41:57,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:41:57,504 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 171 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:41:57,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 571 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:41:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2024-10-11 20:41:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1675. [2024-10-11 20:41:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1482 states have (on average 1.2584345479082322) internal successors, (1865), 1517 states have internal predecessors, (1865), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 151 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-11 20:41:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2179 transitions. [2024-10-11 20:41:57,619 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2179 transitions. Word has length 121 [2024-10-11 20:41:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:41:57,619 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2179 transitions. [2024-10-11 20:41:57,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:41:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2179 transitions. [2024-10-11 20:41:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:41:57,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:41:57,620 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:41:57,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-10-11 20:41:57,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-10-11 20:41:57,821 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:41:57,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:41:57,821 INFO L85 PathProgramCache]: Analyzing trace with hash -47600835, now seen corresponding path program 1 times [2024-10-11 20:41:57,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:41:57,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462495028] [2024-10-11 20:41:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:57,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:41:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:41:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513875508] [2024-10-11 20:41:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:41:57,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:41:57,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:41:57,831 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:41:57,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-10-11 20:41:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:41:57,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:41:57,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:41:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 20:41:58,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:41:59,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:41:59,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462495028] [2024-10-11 20:41:59,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:41:59,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513875508] [2024-10-11 20:41:59,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513875508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:41:59,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:41:59,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:41:59,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745771952] [2024-10-11 20:41:59,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:41:59,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:41:59,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:41:59,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:41:59,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:41:59,029 INFO L87 Difference]: Start difference. First operand 1675 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:42:00,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:00,126 INFO L93 Difference]: Finished difference Result 1794 states and 2334 transitions. [2024-10-11 20:42:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:42:00,127 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2024-10-11 20:42:00,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:00,130 INFO L225 Difference]: With dead ends: 1794 [2024-10-11 20:42:00,130 INFO L226 Difference]: Without dead ends: 1761 [2024-10-11 20:42:00,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:42:00,130 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 85 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:00,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 482 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:42:00,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2024-10-11 20:42:00,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1653. [2024-10-11 20:42:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1463 states have (on average 1.2590567327409432) internal successors, (1842), 1497 states have internal predecessors, (1842), 154 states have call successors, (154), 6 states have call predecessors, (154), 6 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-11 20:42:00,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2150 transitions. [2024-10-11 20:42:00,230 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2150 transitions. Word has length 122 [2024-10-11 20:42:00,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:00,230 INFO L471 AbstractCegarLoop]: Abstraction has 1653 states and 2150 transitions. [2024-10-11 20:42:00,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 20:42:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2150 transitions. [2024-10-11 20:42:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 20:42:00,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:00,231 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:42:00,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:00,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,47 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:00,432 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:00,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash -979467738, now seen corresponding path program 2 times [2024-10-11 20:42:00,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:00,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872147516] [2024-10-11 20:42:00,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:00,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:00,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709490265] [2024-10-11 20:42:00,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:42:00,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:00,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:00,446 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:00,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-11 20:42:00,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:42:00,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:42:00,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:42:00,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-11 20:42:00,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:02,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872147516] [2024-10-11 20:42:02,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709490265] [2024-10-11 20:42:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709490265] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:02,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:02,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:42:02,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440991880] [2024-10-11 20:42:02,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:02,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:42:02,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:02,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:42:02,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:42:02,230 INFO L87 Difference]: Start difference. First operand 1653 states and 2150 transitions. Second operand has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:42:02,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:02,724 INFO L93 Difference]: Finished difference Result 2017 states and 2634 transitions. [2024-10-11 20:42:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:42:02,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 129 [2024-10-11 20:42:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:02,727 INFO L225 Difference]: With dead ends: 2017 [2024-10-11 20:42:02,727 INFO L226 Difference]: Without dead ends: 2015 [2024-10-11 20:42:02,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:42:02,728 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 345 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:02,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 384 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2024-10-11 20:42:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1690. [2024-10-11 20:42:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1497 states have (on average 1.261189044756179) internal successors, (1888), 1531 states have internal predecessors, (1888), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 152 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-11 20:42:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2202 transitions. [2024-10-11 20:42:02,839 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2202 transitions. Word has length 129 [2024-10-11 20:42:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:02,840 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2202 transitions. [2024-10-11 20:42:02,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-11 20:42:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2202 transitions. [2024-10-11 20:42:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 20:42:02,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:02,840 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:42:02,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:03,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:03,041 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:03,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash -968333735, now seen corresponding path program 1 times [2024-10-11 20:42:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366275702] [2024-10-11 20:42:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:03,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286306552] [2024-10-11 20:42:03,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:03,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:03,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:03,052 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:03,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-10-11 20:42:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:03,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:42:03,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-11 20:42:03,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:04,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:04,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366275702] [2024-10-11 20:42:04,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:04,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286306552] [2024-10-11 20:42:04,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286306552] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:04,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:04,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:42:04,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188186893] [2024-10-11 20:42:04,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:04,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:42:04,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:04,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:42:04,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:42:04,115 INFO L87 Difference]: Start difference. First operand 1690 states and 2202 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:04,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:04,733 INFO L93 Difference]: Finished difference Result 1794 states and 2339 transitions. [2024-10-11 20:42:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:42:04,734 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2024-10-11 20:42:04,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:04,736 INFO L225 Difference]: With dead ends: 1794 [2024-10-11 20:42:04,736 INFO L226 Difference]: Without dead ends: 1793 [2024-10-11 20:42:04,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:42:04,737 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 156 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:04,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 430 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:04,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2024-10-11 20:42:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1690. [2024-10-11 20:42:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1497 states have (on average 1.2605210420841684) internal successors, (1887), 1531 states have internal predecessors, (1887), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 152 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-11 20:42:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2201 transitions. [2024-10-11 20:42:04,848 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2201 transitions. Word has length 132 [2024-10-11 20:42:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:04,848 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2201 transitions. [2024-10-11 20:42:04,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2201 transitions. [2024-10-11 20:42:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 20:42:04,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:04,849 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 20:42:04,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:05,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-11 20:42:05,050 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:05,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:05,050 INFO L85 PathProgramCache]: Analyzing trace with hash 46425372, now seen corresponding path program 1 times [2024-10-11 20:42:05,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:05,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691694689] [2024-10-11 20:42:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:05,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753882008] [2024-10-11 20:42:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:05,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:05,061 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:05,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-10-11 20:42:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:05,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:42:05,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 73 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-11 20:42:05,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:06,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:06,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691694689] [2024-10-11 20:42:06,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:06,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753882008] [2024-10-11 20:42:06,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753882008] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:06,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:06,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:42:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582597206] [2024-10-11 20:42:06,004 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:06,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:42:06,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:06,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:42:06,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:42:06,005 INFO L87 Difference]: Start difference. First operand 1690 states and 2201 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:07,113 INFO L93 Difference]: Finished difference Result 1801 states and 2348 transitions. [2024-10-11 20:42:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:42:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2024-10-11 20:42:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:07,115 INFO L225 Difference]: With dead ends: 1801 [2024-10-11 20:42:07,115 INFO L226 Difference]: Without dead ends: 1797 [2024-10-11 20:42:07,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:42:07,116 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 147 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:07,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 573 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:42:07,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2024-10-11 20:42:07,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1674. [2024-10-11 20:42:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1483 states have (on average 1.2596089008766014) internal successors, (1868), 1516 states have internal predecessors, (1868), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 151 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-11 20:42:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2178 transitions. [2024-10-11 20:42:07,228 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2178 transitions. Word has length 133 [2024-10-11 20:42:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:07,228 INFO L471 AbstractCegarLoop]: Abstraction has 1674 states and 2178 transitions. [2024-10-11 20:42:07,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2178 transitions. [2024-10-11 20:42:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 20:42:07,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:07,229 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:07,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:07,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-10-11 20:42:07,429 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:07,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:07,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1445776496, now seen corresponding path program 1 times [2024-10-11 20:42:07,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:07,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011411356] [2024-10-11 20:42:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:07,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:42:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:42:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:42:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:42:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:42:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:42:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:42:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:42:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:07,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011411356] [2024-10-11 20:42:07,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011411356] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529221353] [2024-10-11 20:42:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:07,523 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:07,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-10-11 20:42:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:07,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:42:07,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:07,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:07,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529221353] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:07,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:42:07,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-11 20:42:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941008245] [2024-10-11 20:42:07,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:07,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:42:07,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:07,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:42:07,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:42:07,939 INFO L87 Difference]: Start difference. First operand 1674 states and 2178 transitions. Second operand has 15 states, 14 states have (on average 17.5) internal successors, (245), 15 states have internal predecessors, (245), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 20:42:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:09,063 INFO L93 Difference]: Finished difference Result 2493 states and 3210 transitions. [2024-10-11 20:42:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:42:09,063 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 17.5) internal successors, (245), 15 states have internal predecessors, (245), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 143 [2024-10-11 20:42:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:09,066 INFO L225 Difference]: With dead ends: 2493 [2024-10-11 20:42:09,066 INFO L226 Difference]: Without dead ends: 2491 [2024-10-11 20:42:09,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:42:09,067 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1860 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:09,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 1039 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:42:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2024-10-11 20:42:09,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 1962. [2024-10-11 20:42:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1744 states have (on average 1.264334862385321) internal successors, (2205), 1777 states have internal predecessors, (2205), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 178 states have call predecessors, (182), 182 states have call successors, (182) [2024-10-11 20:42:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2569 transitions. [2024-10-11 20:42:09,210 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2569 transitions. Word has length 143 [2024-10-11 20:42:09,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:09,210 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2569 transitions. [2024-10-11 20:42:09,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 17.5) internal successors, (245), 15 states have internal predecessors, (245), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 20:42:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2569 transitions. [2024-10-11 20:42:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 20:42:09,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:09,211 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:09,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-10-11 20:42:09,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-10-11 20:42:09,412 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:09,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:09,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1039381412, now seen corresponding path program 1 times [2024-10-11 20:42:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:09,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038028626] [2024-10-11 20:42:09,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:42:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:42:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:42:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:42:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:42:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:42:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:42:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:42:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:09,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:09,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038028626] [2024-10-11 20:42:09,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038028626] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:09,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062874447] [2024-10-11 20:42:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:09,509 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:09,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-10-11 20:42:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:09,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:09,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:09,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:09,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062874447] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:09,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:42:09,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:42:09,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501648677] [2024-10-11 20:42:09,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:09,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:42:09,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:09,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:42:09,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:09,879 INFO L87 Difference]: Start difference. First operand 1962 states and 2569 transitions. Second operand has 11 states, 10 states have (on average 27.4) internal successors, (274), 11 states have internal predecessors, (274), 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) [2024-10-11 20:42:10,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:10,798 INFO L93 Difference]: Finished difference Result 2927 states and 3810 transitions. [2024-10-11 20:42:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:42:10,799 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.4) internal successors, (274), 11 states have internal predecessors, (274), 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 145 [2024-10-11 20:42:10,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:10,802 INFO L225 Difference]: With dead ends: 2927 [2024-10-11 20:42:10,802 INFO L226 Difference]: Without dead ends: 2925 [2024-10-11 20:42:10,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:42:10,803 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 450 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:10,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 476 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:42:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2024-10-11 20:42:10,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2317. [2024-10-11 20:42:10,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2069 states have (on average 1.2624456259062349) internal successors, (2612), 2102 states have internal predecessors, (2612), 212 states have call successors, (212), 6 states have call predecessors, (212), 6 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2024-10-11 20:42:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3036 transitions. [2024-10-11 20:42:10,963 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3036 transitions. Word has length 145 [2024-10-11 20:42:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:10,963 INFO L471 AbstractCegarLoop]: Abstraction has 2317 states and 3036 transitions. [2024-10-11 20:42:10,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.4) internal successors, (274), 11 states have internal predecessors, (274), 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) [2024-10-11 20:42:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3036 transitions. [2024-10-11 20:42:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 20:42:10,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:10,964 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:10,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:11,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-10-11 20:42:11,165 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:42:11,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:11,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1589143180, now seen corresponding path program 1 times [2024-10-11 20:42:11,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:11,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15711217] [2024-10-11 20:42:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:11,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:42:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:42:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:42:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:42:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:42:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:42:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:42:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:42:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:11,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:11,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15711217] [2024-10-11 20:42:11,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15711217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:11,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291714979] [2024-10-11 20:42:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:11,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:11,266 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:11,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-10-11 20:42:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:11,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:11,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:11,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 20:42:11,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291714979] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:11,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:42:11,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:42:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848035995] [2024-10-11 20:42:11,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:11,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:42:11,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:11,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:42:11,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:11,650 INFO L87 Difference]: Start difference. First operand 2317 states and 3036 transitions. Second operand has 11 states, 10 states have (on average 28.0) internal successors, (280), 11 states have internal predecessors, (280), 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)