./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/bresenham-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:33:07,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:33:07,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:33:07,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:33:07,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:33:07,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:33:07,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:33:07,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:33:07,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:33:07,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:33:07,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:33:07,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:33:07,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:33:07,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:33:07,154 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:33:07,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:33:07,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:33:07,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:33:07,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:33:07,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:33:07,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:33:07,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:33:07,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:33:07,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:33:07,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:33:07,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:33:07,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:33:07,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:33:07,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:33:07,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:33:07,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:33:07,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:33:07,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:33:07,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:33:07,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:33:07,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:33:07,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:33:07,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:33:07,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:33:07,166 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 [2024-10-14 20:33:07,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:33:07,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:33:07,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:33:07,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:33:07,463 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:33:07,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-10-14 20:33:08,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:33:09,053 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:33:09,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-10-14 20:33:09,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b35df9a/a275c6b3d0c1459e9782f131831c9f7e/FLAG19a870e7b [2024-10-14 20:33:09,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b35df9a/a275c6b3d0c1459e9782f131831c9f7e [2024-10-14 20:33:09,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:33:09,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:33:09,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:33:09,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:33:09,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:33:09,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b41aa3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09, skipping insertion in model container [2024-10-14 20:33:09,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:33:09,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:33:09,676 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:33:09,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:33:09,721 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:33:09,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09 WrapperNode [2024-10-14 20:33:09,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:33:09,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:33:09,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:33:09,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:33:09,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,771 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-10-14 20:33:09,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:33:09,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:33:09,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:33:09,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:33:09,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,808 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 20:33:09,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:33:09,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:33:09,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:33:09,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:33:09,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (1/1) ... [2024-10-14 20:33:09,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:33:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:09,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:33:09,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:33:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:33:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:33:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:33:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:33:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:33:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:33:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:33:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:33:09,972 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:33:09,974 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:33:10,339 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-10-14 20:33:10,340 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:33:10,379 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:33:10,380 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:33:10,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:10 BoogieIcfgContainer [2024-10-14 20:33:10,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:33:10,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:33:10,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:33:10,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:33:10,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:33:09" (1/3) ... [2024-10-14 20:33:10,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5d5f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:10, skipping insertion in model container [2024-10-14 20:33:10,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:09" (2/3) ... [2024-10-14 20:33:10,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5d5f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:10, skipping insertion in model container [2024-10-14 20:33:10,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:10" (3/3) ... [2024-10-14 20:33:10,392 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound2.c [2024-10-14 20:33:10,411 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:33:10,411 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-14 20:33:10,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:33:10,489 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;@73e0c1b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:33:10,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-14 20:33:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 20:33:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:33:10,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:10,513 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:10,514 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)] === [2024-10-14 20:33:10,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:10,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1031300897, now seen corresponding path program 1 times [2024-10-14 20:33:10,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:10,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371845565] [2024-10-14 20:33:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:10,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:10,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:10,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371845565] [2024-10-14 20:33:10,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371845565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:10,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:10,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:10,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255838766] [2024-10-14 20:33:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:10,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:33:10,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:10,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:33:10,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:33:10,723 INFO L87 Difference]: Start difference. First operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-14 20:33:10,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:10,754 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2024-10-14 20:33:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:33:10,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13 [2024-10-14 20:33:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:10,764 INFO L225 Difference]: With dead ends: 270 [2024-10-14 20:33:10,764 INFO L226 Difference]: Without dead ends: 133 [2024-10-14 20:33:10,768 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 [2024-10-14 20:33:10,773 INFO L432 NwaCegarLoop]: 137 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, 137 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 [2024-10-14 20:33:10,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:33:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-14 20:33:10,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-14 20:33:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-10-14 20:33:10,816 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 13 [2024-10-14 20:33:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:10,816 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-10-14 20:33:10,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-14 20:33:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-10-14 20:33:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:33:10,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:10,818 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:10,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:33:10,819 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)] === [2024-10-14 20:33:10,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:10,819 INFO L85 PathProgramCache]: Analyzing trace with hash 638333469, now seen corresponding path program 1 times [2024-10-14 20:33:10,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:10,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138491368] [2024-10-14 20:33:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:10,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:10,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138491368] [2024-10-14 20:33:10,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138491368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:10,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:10,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:10,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225867662] [2024-10-14 20:33:10,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:10,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:10,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:10,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:10,920 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:11,144 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-10-14 20:33:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:11,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-14 20:33:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:11,147 INFO L225 Difference]: With dead ends: 133 [2024-10-14 20:33:11,147 INFO L226 Difference]: Without dead ends: 129 [2024-10-14 20:33:11,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:11,148 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:11,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 81 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:11,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-14 20:33:11,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-14 20:33:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2024-10-14 20:33:11,163 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 13 [2024-10-14 20:33:11,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:11,165 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2024-10-14 20:33:11,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2024-10-14 20:33:11,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 20:33:11,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:11,167 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:11,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:33:11,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:11,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:11,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1686498902, now seen corresponding path program 1 times [2024-10-14 20:33:11,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:11,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888771983] [2024-10-14 20:33:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:11,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:11,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888771983] [2024-10-14 20:33:11,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888771983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:11,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:11,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:11,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160302204] [2024-10-14 20:33:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:11,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:11,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:11,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:11,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:11,252 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:11,369 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2024-10-14 20:33:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-14 20:33:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:11,372 INFO L225 Difference]: With dead ends: 129 [2024-10-14 20:33:11,372 INFO L226 Difference]: Without dead ends: 125 [2024-10-14 20:33:11,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:11,374 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 88 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:11,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 81 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:11,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-14 20:33:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-14 20:33:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-14 20:33:11,383 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 14 [2024-10-14 20:33:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:11,384 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-14 20:33:11,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-14 20:33:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 20:33:11,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:11,385 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:11,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:33:11,386 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:11,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash -741858369, now seen corresponding path program 1 times [2024-10-14 20:33:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:11,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513811883] [2024-10-14 20:33:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:11,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:11,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513811883] [2024-10-14 20:33:11,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513811883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:11,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:11,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739959025] [2024-10-14 20:33:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:11,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:11,502 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:11,728 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2024-10-14 20:33:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:11,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-10-14 20:33:11,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:11,730 INFO L225 Difference]: With dead ends: 125 [2024-10-14 20:33:11,730 INFO L226 Difference]: Without dead ends: 122 [2024-10-14 20:33:11,730 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 [2024-10-14 20:33:11,732 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 171 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:11,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 75 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-14 20:33:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-14 20:33:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-14 20:33:11,750 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 15 [2024-10-14 20:33:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:11,750 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-14 20:33:11,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-14 20:33:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 20:33:11,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:11,753 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:11,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:33:11,753 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:11,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1522772916, now seen corresponding path program 1 times [2024-10-14 20:33:11,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:11,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108459734] [2024-10-14 20:33:11,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:11,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:11,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:11,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108459734] [2024-10-14 20:33:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108459734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:11,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:11,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:11,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552917883] [2024-10-14 20:33:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:11,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:11,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:11,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:11,849 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:12,035 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-14 20:33:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:12,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-10-14 20:33:12,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:12,037 INFO L225 Difference]: With dead ends: 122 [2024-10-14 20:33:12,037 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 20:33:12,037 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 [2024-10-14 20:33:12,038 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 170 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:12,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 75 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 20:33:12,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-14 20:33:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2024-10-14 20:33:12,060 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 16 [2024-10-14 20:33:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:12,061 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2024-10-14 20:33:12,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2024-10-14 20:33:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 20:33:12,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:12,062 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:12,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:33:12,063 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:12,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:12,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1199077326, now seen corresponding path program 1 times [2024-10-14 20:33:12,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389960782] [2024-10-14 20:33:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:12,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [921253037] [2024-10-14 20:33:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:12,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:12,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:33:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:12,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:33:12,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:12,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:12,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:12,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389960782] [2024-10-14 20:33:12,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:12,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921253037] [2024-10-14 20:33:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921253037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:12,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:12,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:12,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601225792] [2024-10-14 20:33:12,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:12,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:12,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:12,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:12,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:12,192 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-14 20:33:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:12,322 INFO L93 Difference]: Finished difference Result 184 states and 189 transitions. [2024-10-14 20:33:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:12,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-10-14 20:33:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:12,324 INFO L225 Difference]: With dead ends: 184 [2024-10-14 20:33:12,324 INFO L226 Difference]: Without dead ends: 178 [2024-10-14 20:33:12,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:12,326 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:12,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-14 20:33:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2024-10-14 20:33:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.6382978723404256) internal successors, (154), 137 states have internal predecessors, (154), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 20:33:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2024-10-14 20:33:12,343 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 18 [2024-10-14 20:33:12,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:12,343 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2024-10-14 20:33:12,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-14 20:33:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2024-10-14 20:33:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 20:33:12,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:12,344 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:12,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:33:12,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 20:33:12,549 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:12,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1262076752, now seen corresponding path program 1 times [2024-10-14 20:33:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890882021] [2024-10-14 20:33:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:12,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111943011] [2024-10-14 20:33:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:12,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:12,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:12,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:33:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:12,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:33:12,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:12,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:12,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890882021] [2024-10-14 20:33:12,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:12,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111943011] [2024-10-14 20:33:12,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111943011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:12,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:12,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:33:12,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494933054] [2024-10-14 20:33:12,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:12,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:33:12,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:33:12,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:12,620 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-14 20:33:12,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:12,696 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-10-14 20:33:12,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:33:12,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2024-10-14 20:33:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:12,698 INFO L225 Difference]: With dead ends: 241 [2024-10-14 20:33:12,698 INFO L226 Difference]: Without dead ends: 235 [2024-10-14 20:33:12,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:33:12,700 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:12,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 212 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-14 20:33:12,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2024-10-14 20:33:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.647887323943662) internal successors, (234), 185 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 244 transitions. [2024-10-14 20:33:12,711 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 244 transitions. Word has length 20 [2024-10-14 20:33:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:12,711 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 244 transitions. [2024-10-14 20:33:12,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-14 20:33:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 244 transitions. [2024-10-14 20:33:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 20:33:12,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:12,712 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:12,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:12,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-14 20:33:12,913 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:12,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:12,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1674983122, now seen corresponding path program 1 times [2024-10-14 20:33:12,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:12,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174016753] [2024-10-14 20:33:12,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:12,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745848886] [2024-10-14 20:33:12,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:12,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:12,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:12,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:12,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:33:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:12,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:12,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:13,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:13,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:13,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174016753] [2024-10-14 20:33:13,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:13,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745848886] [2024-10-14 20:33:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745848886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:13,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:13,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:13,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835353126] [2024-10-14 20:33:13,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:13,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:13,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:13,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:13,024 INFO L87 Difference]: Start difference. First operand 193 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-10-14 20:33:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:13,249 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2024-10-14 20:33:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:13,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22 [2024-10-14 20:33:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:13,251 INFO L225 Difference]: With dead ends: 261 [2024-10-14 20:33:13,251 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 20:33:13,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:13,252 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:13,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 228 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 20:33:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2024-10-14 20:33:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6363636363636365) internal successors, (234), 186 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 244 transitions. [2024-10-14 20:33:13,267 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 244 transitions. Word has length 22 [2024-10-14 20:33:13,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:13,267 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 244 transitions. [2024-10-14 20:33:13,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-10-14 20:33:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2024-10-14 20:33:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 20:33:13,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:13,268 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] [2024-10-14 20:33:13,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:33:13,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:13,473 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:13,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:13,473 INFO L85 PathProgramCache]: Analyzing trace with hash 384869294, now seen corresponding path program 1 times [2024-10-14 20:33:13,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:13,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905213834] [2024-10-14 20:33:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:13,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226067950] [2024-10-14 20:33:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:13,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:13,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:13,486 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:13,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:33:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:13,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:13,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:13,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:13,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:13,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905213834] [2024-10-14 20:33:13,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:13,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226067950] [2024-10-14 20:33:13,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226067950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:13,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:13,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:13,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106794902] [2024-10-14 20:33:13,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:13,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:13,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:13,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:13,563 INFO L87 Difference]: Start difference. First operand 194 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-14 20:33:13,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:13,813 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2024-10-14 20:33:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:13,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2024-10-14 20:33:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:13,815 INFO L225 Difference]: With dead ends: 260 [2024-10-14 20:33:13,815 INFO L226 Difference]: Without dead ends: 258 [2024-10-14 20:33:13,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:13,816 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 120 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:13,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 231 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:13,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-14 20:33:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 195. [2024-10-14 20:33:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.625) internal successors, (234), 187 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 244 transitions. [2024-10-14 20:33:13,825 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 244 transitions. Word has length 23 [2024-10-14 20:33:13,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:13,825 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 244 transitions. [2024-10-14 20:33:13,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-14 20:33:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 244 transitions. [2024-10-14 20:33:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:33:13,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:13,826 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] [2024-10-14 20:33:13,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:33:14,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:14,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:14,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:14,028 INFO L85 PathProgramCache]: Analyzing trace with hash -953953708, now seen corresponding path program 1 times [2024-10-14 20:33:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:14,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267271192] [2024-10-14 20:33:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:14,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053294414] [2024-10-14 20:33:14,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:14,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:14,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:14,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:33:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:14,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:14,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:14,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:14,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:14,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267271192] [2024-10-14 20:33:14,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:14,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053294414] [2024-10-14 20:33:14,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053294414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:14,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:14,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:14,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038081972] [2024-10-14 20:33:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:14,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:14,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:14,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:14,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:14,107 INFO L87 Difference]: Start difference. First operand 195 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:33:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:14,223 INFO L93 Difference]: Finished difference Result 255 states and 273 transitions. [2024-10-14 20:33:14,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:14,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2024-10-14 20:33:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:14,224 INFO L225 Difference]: With dead ends: 255 [2024-10-14 20:33:14,224 INFO L226 Difference]: Without dead ends: 253 [2024-10-14 20:33:14,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:14,225 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 168 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:14,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 255 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:14,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-14 20:33:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2024-10-14 20:33:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 187 states have internal predecessors, (231), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-10-14 20:33:14,234 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 24 [2024-10-14 20:33:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:14,234 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-10-14 20:33:14,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:33:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-10-14 20:33:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:33:14,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:14,235 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] [2024-10-14 20:33:14,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:14,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 20:33:14,436 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:14,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:14,437 INFO L85 PathProgramCache]: Analyzing trace with hash 492206192, now seen corresponding path program 1 times [2024-10-14 20:33:14,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:14,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980115673] [2024-10-14 20:33:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:14,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126733639] [2024-10-14 20:33:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:14,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:14,448 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:14,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:33:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:14,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:14,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:14,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:14,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:14,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980115673] [2024-10-14 20:33:14,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:14,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126733639] [2024-10-14 20:33:14,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126733639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:14,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:14,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:14,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729277144] [2024-10-14 20:33:14,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:14,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:14,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:14,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:14,523 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:33:14,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:14,724 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2024-10-14 20:33:14,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:14,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-10-14 20:33:14,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:14,726 INFO L225 Difference]: With dead ends: 253 [2024-10-14 20:33:14,726 INFO L226 Difference]: Without dead ends: 251 [2024-10-14 20:33:14,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:14,727 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 165 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:14,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 253 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-14 20:33:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 195. [2024-10-14 20:33:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 187 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 238 transitions. [2024-10-14 20:33:14,740 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 238 transitions. Word has length 25 [2024-10-14 20:33:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:14,740 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 238 transitions. [2024-10-14 20:33:14,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:33:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 238 transitions. [2024-10-14 20:33:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 20:33:14,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:14,742 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] [2024-10-14 20:33:14,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:33:14,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:14,943 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:14,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:14,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1921477162, now seen corresponding path program 1 times [2024-10-14 20:33:14,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:14,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295650815] [2024-10-14 20:33:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:14,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064514967] [2024-10-14 20:33:14,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:14,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:14,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:14,955 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:14,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:33:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:14,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:33:14,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:15,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:15,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:15,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295650815] [2024-10-14 20:33:15,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:15,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064514967] [2024-10-14 20:33:15,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064514967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:15,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:15,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:33:15,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58558721] [2024-10-14 20:33:15,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:15,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:33:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:33:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:15,027 INFO L87 Difference]: Start difference. First operand 195 states and 238 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-10-14 20:33:15,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:15,295 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2024-10-14 20:33:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:33:15,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 26 [2024-10-14 20:33:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:15,297 INFO L225 Difference]: With dead ends: 255 [2024-10-14 20:33:15,297 INFO L226 Difference]: Without dead ends: 253 [2024-10-14 20:33:15,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:15,297 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:15,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 231 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-14 20:33:15,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 198. [2024-10-14 20:33:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.564625850340136) internal successors, (230), 190 states have internal predecessors, (230), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 240 transitions. [2024-10-14 20:33:15,306 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 240 transitions. Word has length 26 [2024-10-14 20:33:15,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:15,306 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 240 transitions. [2024-10-14 20:33:15,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-10-14 20:33:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 240 transitions. [2024-10-14 20:33:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:33:15,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:15,307 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] [2024-10-14 20:33:15,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:33:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:15,508 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 563750194, now seen corresponding path program 1 times [2024-10-14 20:33:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305393569] [2024-10-14 20:33:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:15,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928295169] [2024-10-14 20:33:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:15,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:15,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:15,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:15,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:33:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:15,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:33:15,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:15,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305393569] [2024-10-14 20:33:15,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928295169] [2024-10-14 20:33:15,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928295169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:15,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:15,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:33:15,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636316881] [2024-10-14 20:33:15,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:15,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:33:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:15,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:33:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:15,604 INFO L87 Difference]: Start difference. First operand 198 states and 240 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-14 20:33:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:15,782 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-10-14 20:33:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:33:15,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 27 [2024-10-14 20:33:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:15,784 INFO L225 Difference]: With dead ends: 254 [2024-10-14 20:33:15,784 INFO L226 Difference]: Without dead ends: 252 [2024-10-14 20:33:15,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:15,786 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 229 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:15,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:15,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-14 20:33:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 198. [2024-10-14 20:33:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 190 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 237 transitions. [2024-10-14 20:33:15,794 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 237 transitions. Word has length 27 [2024-10-14 20:33:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:15,794 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 237 transitions. [2024-10-14 20:33:15,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-14 20:33:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-10-14 20:33:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 20:33:15,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:15,795 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] [2024-10-14 20:33:15,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:33:15,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 20:33:15,996 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:15,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 296386904, now seen corresponding path program 1 times [2024-10-14 20:33:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771166421] [2024-10-14 20:33:15,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:15,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:16,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238444840] [2024-10-14 20:33:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:16,013 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:16,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:33:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:16,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:33:16,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:16,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:16,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:16,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771166421] [2024-10-14 20:33:16,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:16,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238444840] [2024-10-14 20:33:16,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238444840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:16,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:16,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:33:16,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341618686] [2024-10-14 20:33:16,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:16,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:33:16,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:16,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:33:16,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:33:16,189 INFO L87 Difference]: Start difference. First operand 198 states and 237 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-14 20:33:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:16,480 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2024-10-14 20:33:16,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:16,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 28 [2024-10-14 20:33:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:16,482 INFO L225 Difference]: With dead ends: 250 [2024-10-14 20:33:16,482 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 20:33:16,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:33:16,482 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 313 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:16,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 184 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 20:33:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 200. [2024-10-14 20:33:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 192 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 238 transitions. [2024-10-14 20:33:16,490 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 238 transitions. Word has length 28 [2024-10-14 20:33:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:16,490 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 238 transitions. [2024-10-14 20:33:16,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-14 20:33:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 238 transitions. [2024-10-14 20:33:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:33:16,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:16,491 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] [2024-10-14 20:33:16,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:33:16,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 20:33:16,696 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:16,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:16,696 INFO L85 PathProgramCache]: Analyzing trace with hash 598059508, now seen corresponding path program 1 times [2024-10-14 20:33:16,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:16,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137717921] [2024-10-14 20:33:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:16,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:16,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:16,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137717921] [2024-10-14 20:33:16,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137717921] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:16,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491397510] [2024-10-14 20:33:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:16,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:16,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:16,832 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:16,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:33:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:16,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:33:16,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:16,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:16,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491397510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:16,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:16,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-14 20:33:16,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777993127] [2024-10-14 20:33:16,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:16,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:33:16,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:16,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:33:16,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:33:16,985 INFO L87 Difference]: Start difference. First operand 200 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-14 20:33:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:17,377 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2024-10-14 20:33:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:17,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 29 [2024-10-14 20:33:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:17,379 INFO L225 Difference]: With dead ends: 250 [2024-10-14 20:33:17,379 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 20:33:17,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:33:17,380 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 245 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:17,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 202 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 20:33:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-10-14 20:33:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.52) internal successors, (228), 193 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2024-10-14 20:33:17,386 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 29 [2024-10-14 20:33:17,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:17,387 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2024-10-14 20:33:17,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-14 20:33:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2024-10-14 20:33:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 20:33:17,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:17,388 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] [2024-10-14 20:33:17,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:33:17,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:33:17,592 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:17,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1266536540, now seen corresponding path program 1 times [2024-10-14 20:33:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:17,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830595996] [2024-10-14 20:33:17,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:17,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:17,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:17,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:17,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:17,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830595996] [2024-10-14 20:33:17,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830595996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:17,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:17,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:33:17,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046473512] [2024-10-14 20:33:17,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:17,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:33:17,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:33:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:33:17,699 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 20:33:17,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:17,976 INFO L93 Difference]: Finished difference Result 201 states and 238 transitions. [2024-10-14 20:33:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:33:17,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-10-14 20:33:17,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:17,978 INFO L225 Difference]: With dead ends: 201 [2024-10-14 20:33:17,978 INFO L226 Difference]: Without dead ends: 199 [2024-10-14 20:33:17,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:17,979 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:17,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 199 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:17,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-14 20:33:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-14 20:33:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.4866666666666666) internal successors, (223), 191 states have internal predecessors, (223), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-10-14 20:33:17,986 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 32 [2024-10-14 20:33:17,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:17,986 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-10-14 20:33:17,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 20:33:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-10-14 20:33:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 20:33:17,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:17,987 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] [2024-10-14 20:33:17,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 20:33:17,988 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:17,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash 607927160, now seen corresponding path program 1 times [2024-10-14 20:33:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:17,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319803149] [2024-10-14 20:33:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:17,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559052204] [2024-10-14 20:33:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:18,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:18,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:18,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:18,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:33:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:18,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:33:18,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:18,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:18,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319803149] [2024-10-14 20:33:18,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559052204] [2024-10-14 20:33:18,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559052204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:18,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:18,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:33:18,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357701305] [2024-10-14 20:33:18,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:18,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:33:18,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:33:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:18,219 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:18,579 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2024-10-14 20:33:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:33:18,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-10-14 20:33:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:18,581 INFO L225 Difference]: With dead ends: 242 [2024-10-14 20:33:18,581 INFO L226 Difference]: Without dead ends: 240 [2024-10-14 20:33:18,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:33:18,582 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 353 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:18,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 125 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-14 20:33:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2024-10-14 20:33:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4675324675324675) internal successors, (226), 195 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2024-10-14 20:33:18,590 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 33 [2024-10-14 20:33:18,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:18,591 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2024-10-14 20:33:18,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:33:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2024-10-14 20:33:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 20:33:18,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:18,592 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, 1] [2024-10-14 20:33:18,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:33:18,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 20:33:18,792 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:18,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:18,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1665872862, now seen corresponding path program 1 times [2024-10-14 20:33:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:18,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150871042] [2024-10-14 20:33:18,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:18,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:18,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:18,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:18,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150871042] [2024-10-14 20:33:18,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150871042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:18,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:18,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:18,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424587987] [2024-10-14 20:33:18,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:18,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:18,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:18,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:18,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:18,851 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-14 20:33:19,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:19,166 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2024-10-14 20:33:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:19,166 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), 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 34 [2024-10-14 20:33:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:19,167 INFO L225 Difference]: With dead ends: 222 [2024-10-14 20:33:19,168 INFO L226 Difference]: Without dead ends: 220 [2024-10-14 20:33:19,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:19,169 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:19,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 145 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-14 20:33:19,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2024-10-14 20:33:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 196 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-10-14 20:33:19,179 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 34 [2024-10-14 20:33:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:19,180 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-10-14 20:33:19,180 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), 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) [2024-10-14 20:33:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-10-14 20:33:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 20:33:19,182 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:19,182 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, 1, 1] [2024-10-14 20:33:19,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 20:33:19,182 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:19,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:19,183 INFO L85 PathProgramCache]: Analyzing trace with hash 102451258, now seen corresponding path program 1 times [2024-10-14 20:33:19,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:19,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71629439] [2024-10-14 20:33:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:19,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:19,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:19,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71629439] [2024-10-14 20:33:19,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71629439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:19,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:19,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:19,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007436602] [2024-10-14 20:33:19,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:19,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:19,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:19,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:19,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:19,241 INFO L87 Difference]: Start difference. First operand 204 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-14 20:33:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:19,535 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2024-10-14 20:33:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:19,535 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), 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 35 [2024-10-14 20:33:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:19,536 INFO L225 Difference]: With dead ends: 222 [2024-10-14 20:33:19,536 INFO L226 Difference]: Without dead ends: 220 [2024-10-14 20:33:19,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:19,537 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:19,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 158 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-14 20:33:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-10-14 20:33:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.4487179487179487) internal successors, (226), 197 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 236 transitions. [2024-10-14 20:33:19,545 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 236 transitions. Word has length 35 [2024-10-14 20:33:19,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:19,545 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 236 transitions. [2024-10-14 20:33:19,545 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), 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) [2024-10-14 20:33:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 236 transitions. [2024-10-14 20:33:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:33:19,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:19,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:19,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 20:33:19,546 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:19,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1145505025, now seen corresponding path program 1 times [2024-10-14 20:33:19,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:19,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439456119] [2024-10-14 20:33:19,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:19,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:19,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:19,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439456119] [2024-10-14 20:33:19,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439456119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:19,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:19,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:33:19,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411325830] [2024-10-14 20:33:19,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:19,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:33:19,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:19,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:33:19,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:19,614 INFO L87 Difference]: Start difference. First operand 205 states and 236 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:19,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:19,886 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2024-10-14 20:33:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:19,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-10-14 20:33:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:19,888 INFO L225 Difference]: With dead ends: 222 [2024-10-14 20:33:19,888 INFO L226 Difference]: Without dead ends: 220 [2024-10-14 20:33:19,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:19,889 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 308 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:19,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 125 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:19,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-14 20:33:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2024-10-14 20:33:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 206 states have internal predecessors, (236), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2024-10-14 20:33:19,897 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 45 [2024-10-14 20:33:19,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:19,897 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2024-10-14 20:33:19,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2024-10-14 20:33:19,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-14 20:33:19,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:19,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:19,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 20:33:19,898 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:19,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:19,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1150917302, now seen corresponding path program 1 times [2024-10-14 20:33:19,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:19,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96405268] [2024-10-14 20:33:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:19,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:19,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96405268] [2024-10-14 20:33:19,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96405268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:19,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:19,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:19,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173025216] [2024-10-14 20:33:19,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:19,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:19,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:19,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:19,955 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-14 20:33:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:20,036 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2024-10-14 20:33:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:20,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 46 [2024-10-14 20:33:20,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:20,037 INFO L225 Difference]: With dead ends: 214 [2024-10-14 20:33:20,037 INFO L226 Difference]: Without dead ends: 213 [2024-10-14 20:33:20,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:20,038 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:20,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 147 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-14 20:33:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-14 20:33:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4181818181818182) internal successors, (234), 205 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 244 transitions. [2024-10-14 20:33:20,046 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 244 transitions. Word has length 46 [2024-10-14 20:33:20,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:20,047 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 244 transitions. [2024-10-14 20:33:20,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-14 20:33:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 244 transitions. [2024-10-14 20:33:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 20:33:20,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:20,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:20,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 20:33:20,048 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:20,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:20,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2070039148, now seen corresponding path program 1 times [2024-10-14 20:33:20,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:20,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050779098] [2024-10-14 20:33:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:20,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:20,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050779098] [2024-10-14 20:33:20,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050779098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:20,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:20,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:20,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270706009] [2024-10-14 20:33:20,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:20,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:20,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:20,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:20,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:20,108 INFO L87 Difference]: Start difference. First operand 213 states and 244 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2024-10-14 20:33:20,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:20,238 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2024-10-14 20:33:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:20,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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 48 [2024-10-14 20:33:20,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:20,239 INFO L225 Difference]: With dead ends: 228 [2024-10-14 20:33:20,239 INFO L226 Difference]: Without dead ends: 226 [2024-10-14 20:33:20,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:20,240 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:20,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-14 20:33:20,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2024-10-14 20:33:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4114285714285715) internal successors, (247), 215 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2024-10-14 20:33:20,249 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 48 [2024-10-14 20:33:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:20,249 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2024-10-14 20:33:20,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2024-10-14 20:33:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2024-10-14 20:33:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 20:33:20,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:20,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:20,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 20:33:20,250 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:20,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1643991946, now seen corresponding path program 1 times [2024-10-14 20:33:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861037068] [2024-10-14 20:33:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:20,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861037068] [2024-10-14 20:33:20,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861037068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:20,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:20,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:33:20,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975547775] [2024-10-14 20:33:20,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:20,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:33:20,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:20,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:33:20,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:20,343 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:20,545 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2024-10-14 20:33:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:33:20,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 48 [2024-10-14 20:33:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:20,547 INFO L225 Difference]: With dead ends: 224 [2024-10-14 20:33:20,547 INFO L226 Difference]: Without dead ends: 223 [2024-10-14 20:33:20,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:20,547 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 142 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:20,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 167 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-14 20:33:20,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-14 20:33:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4057142857142857) internal successors, (246), 215 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 256 transitions. [2024-10-14 20:33:20,556 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 256 transitions. Word has length 48 [2024-10-14 20:33:20,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:20,557 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 256 transitions. [2024-10-14 20:33:20,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 256 transitions. [2024-10-14 20:33:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 20:33:20,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:20,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:20,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 20:33:20,558 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:20,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:20,558 INFO L85 PathProgramCache]: Analyzing trace with hash 575857347, now seen corresponding path program 1 times [2024-10-14 20:33:20,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:20,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786003262] [2024-10-14 20:33:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:20,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:20,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786003262] [2024-10-14 20:33:20,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786003262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:20,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:20,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:33:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920058418] [2024-10-14 20:33:20,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:20,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:33:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:20,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:33:20,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:20,607 INFO L87 Difference]: Start difference. First operand 223 states and 256 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-10-14 20:33:20,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:20,734 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2024-10-14 20:33:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:33:20,735 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), 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 49 [2024-10-14 20:33:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:20,736 INFO L225 Difference]: With dead ends: 260 [2024-10-14 20:33:20,736 INFO L226 Difference]: Without dead ends: 258 [2024-10-14 20:33:20,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:33:20,737 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 56 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:20,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 306 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-14 20:33:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 231. [2024-10-14 20:33:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 183 states have (on average 1.3879781420765027) internal successors, (254), 223 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 264 transitions. [2024-10-14 20:33:20,749 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 264 transitions. Word has length 49 [2024-10-14 20:33:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:20,750 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 264 transitions. [2024-10-14 20:33:20,750 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), 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) [2024-10-14 20:33:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 264 transitions. [2024-10-14 20:33:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:33:20,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:20,751 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:33:20,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 20:33:20,751 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:20,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:20,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1395947735, now seen corresponding path program 1 times [2024-10-14 20:33:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329470181] [2024-10-14 20:33:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:20,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927070471] [2024-10-14 20:33:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:20,772 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:33:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:20,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:33:20,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:21,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:21,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:21,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329470181] [2024-10-14 20:33:21,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927070471] [2024-10-14 20:33:21,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927070471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:21,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:21,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 20:33:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560790458] [2024-10-14 20:33:21,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:21,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:33:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:21,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:33:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:33:21,034 INFO L87 Difference]: Start difference. First operand 231 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:21,238 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2024-10-14 20:33:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:21,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2024-10-14 20:33:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:21,240 INFO L225 Difference]: With dead ends: 231 [2024-10-14 20:33:21,240 INFO L226 Difference]: Without dead ends: 228 [2024-10-14 20:33:21,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:33:21,240 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 130 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:21,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 330 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:21,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-14 20:33:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-14 20:33:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 183 states have (on average 1.355191256830601) internal successors, (248), 220 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:33:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2024-10-14 20:33:21,249 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 51 [2024-10-14 20:33:21,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:21,250 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2024-10-14 20:33:21,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2024-10-14 20:33:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:33:21,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:21,251 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:33:21,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:21,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 20:33:21,452 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:21,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:21,452 INFO L85 PathProgramCache]: Analyzing trace with hash 324706881, now seen corresponding path program 1 times [2024-10-14 20:33:21,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:21,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584758403] [2024-10-14 20:33:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:21,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:21,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983416386] [2024-10-14 20:33:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:21,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:21,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:21,466 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:21,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:33:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:21,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:33:21,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:21,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:22,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:22,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584758403] [2024-10-14 20:33:22,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:22,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983416386] [2024-10-14 20:33:22,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983416386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:22,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:22,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:33:22,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030786329] [2024-10-14 20:33:22,589 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:22,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:33:22,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:22,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:33:22,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:33:22,591 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:23,024 INFO L93 Difference]: Finished difference Result 281 states and 319 transitions. [2024-10-14 20:33:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:33:23,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 52 [2024-10-14 20:33:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:23,026 INFO L225 Difference]: With dead ends: 281 [2024-10-14 20:33:23,026 INFO L226 Difference]: Without dead ends: 255 [2024-10-14 20:33:23,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:33:23,027 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 363 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:23,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 337 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:33:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-14 20:33:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 235. [2024-10-14 20:33:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 226 states have internal predecessors, (262), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:33:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 274 transitions. [2024-10-14 20:33:23,037 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 274 transitions. Word has length 52 [2024-10-14 20:33:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:23,037 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 274 transitions. [2024-10-14 20:33:23,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 274 transitions. [2024-10-14 20:33:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:33:23,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:23,038 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:33:23,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:23,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:33:23,242 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:23,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1076398939, now seen corresponding path program 1 times [2024-10-14 20:33:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964936929] [2024-10-14 20:33:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:23,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097416586] [2024-10-14 20:33:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:23,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:23,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:23,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:23,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:33:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:23,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:33:23,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:23,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:23,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:23,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964936929] [2024-10-14 20:33:23,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097416586] [2024-10-14 20:33:23,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097416586] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:23,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:23,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:33:23,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465573852] [2024-10-14 20:33:23,728 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:23,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:33:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:23,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:33:23,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:33:23,730 INFO L87 Difference]: Start difference. First operand 235 states and 274 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:24,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:24,140 INFO L93 Difference]: Finished difference Result 235 states and 274 transitions. [2024-10-14 20:33:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:33:24,141 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-10-14 20:33:24,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:24,142 INFO L225 Difference]: With dead ends: 235 [2024-10-14 20:33:24,142 INFO L226 Difference]: Without dead ends: 233 [2024-10-14 20:33:24,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:33:24,143 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 174 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:24,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 212 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-10-14 20:33:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-10-14 20:33:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 224 states have internal predecessors, (257), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:33:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 269 transitions. [2024-10-14 20:33:24,153 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 269 transitions. Word has length 55 [2024-10-14 20:33:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:24,153 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 269 transitions. [2024-10-14 20:33:24,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 269 transitions. [2024-10-14 20:33:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-14 20:33:24,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:24,154 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:24,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:33:24,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:24,355 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:24,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:24,355 INFO L85 PathProgramCache]: Analyzing trace with hash -991371195, now seen corresponding path program 1 times [2024-10-14 20:33:24,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:24,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262748871] [2024-10-14 20:33:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:24,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032436188] [2024-10-14 20:33:24,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:24,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:24,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:24,371 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:24,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:33:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:24,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:33:24,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:24,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:25,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:25,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262748871] [2024-10-14 20:33:25,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:25,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032436188] [2024-10-14 20:33:25,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032436188] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:25,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:25,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-14 20:33:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003179246] [2024-10-14 20:33:25,699 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:25,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:33:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:25,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:33:25,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:33:25,701 INFO L87 Difference]: Start difference. First operand 233 states and 269 transitions. Second operand has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:29,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:29,191 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2024-10-14 20:33:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 20:33:29,192 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2024-10-14 20:33:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:29,193 INFO L225 Difference]: With dead ends: 373 [2024-10-14 20:33:29,193 INFO L226 Difference]: Without dead ends: 369 [2024-10-14 20:33:29,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 20:33:29,194 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 628 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:29,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 364 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-14 20:33:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-10-14 20:33:29,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 302. [2024-10-14 20:33:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 256 states have (on average 1.3671875) internal successors, (350), 291 states have internal predecessors, (350), 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) [2024-10-14 20:33:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 366 transitions. [2024-10-14 20:33:29,211 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 366 transitions. Word has length 56 [2024-10-14 20:33:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:29,211 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 366 transitions. [2024-10-14 20:33:29,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 366 transitions. [2024-10-14 20:33:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-14 20:33:29,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:29,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:29,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:33:29,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 20:33:29,417 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:29,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:29,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1477004917, now seen corresponding path program 1 times [2024-10-14 20:33:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:29,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212201795] [2024-10-14 20:33:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011134984] [2024-10-14 20:33:29,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:29,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:29,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:29,439 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:29,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:33:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:29,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:33:29,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:29,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:29,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:29,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212201795] [2024-10-14 20:33:29,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:29,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011134984] [2024-10-14 20:33:29,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011134984] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:29,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:29,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:33:29,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020159134] [2024-10-14 20:33:29,820 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:29,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:33:29,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:29,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:33:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:33:29,822 INFO L87 Difference]: Start difference. First operand 302 states and 366 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-14 20:33:30,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:30,133 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2024-10-14 20:33:30,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:30,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 57 [2024-10-14 20:33:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:30,145 INFO L225 Difference]: With dead ends: 312 [2024-10-14 20:33:30,145 INFO L226 Difference]: Without dead ends: 308 [2024-10-14 20:33:30,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:33:30,146 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 153 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:30,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 346 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:30,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-14 20:33:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 298. [2024-10-14 20:33:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 256 states have (on average 1.34375) internal successors, (344), 287 states have internal predecessors, (344), 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) [2024-10-14 20:33:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2024-10-14 20:33:30,164 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 57 [2024-10-14 20:33:30,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:30,164 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2024-10-14 20:33:30,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-14 20:33:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2024-10-14 20:33:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-14 20:33:30,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:30,165 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-14 20:33:30,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:33:30,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:33:30,370 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:30,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1457487889, now seen corresponding path program 1 times [2024-10-14 20:33:30,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:30,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706557540] [2024-10-14 20:33:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:30,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:30,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288675400] [2024-10-14 20:33:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:30,389 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:30,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:33:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:30,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:33:30,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:30,689 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706557540] [2024-10-14 20:33:31,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288675400] [2024-10-14 20:33:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288675400] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:31,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:31,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:33:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938291789] [2024-10-14 20:33:31,324 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:31,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:33:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:31,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:33:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:33:31,325 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:31,618 INFO L93 Difference]: Finished difference Result 381 states and 453 transitions. [2024-10-14 20:33:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:33:31,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-10-14 20:33:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:31,620 INFO L225 Difference]: With dead ends: 381 [2024-10-14 20:33:31,620 INFO L226 Difference]: Without dead ends: 379 [2024-10-14 20:33:31,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:33:31,621 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 302 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:31,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 411 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-14 20:33:31,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 337. [2024-10-14 20:33:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.370748299319728) internal successors, (403), 325 states have internal predecessors, (403), 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) [2024-10-14 20:33:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 421 transitions. [2024-10-14 20:33:31,636 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 421 transitions. Word has length 58 [2024-10-14 20:33:31,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:31,636 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 421 transitions. [2024-10-14 20:33:31,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 20:33:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 421 transitions. [2024-10-14 20:33:31,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 20:33:31,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:31,637 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:33:31,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:33:31,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:31,842 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:31,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:31,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1744077345, now seen corresponding path program 1 times [2024-10-14 20:33:31,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:31,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634867553] [2024-10-14 20:33:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:31,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:31,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898012865] [2024-10-14 20:33:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:31,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:31,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:31,864 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:31,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:33:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:31,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:33:31,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-14 20:33:31,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-14 20:33:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634867553] [2024-10-14 20:33:32,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:32,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898012865] [2024-10-14 20:33:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898012865] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:32,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-14 20:33:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994696575] [2024-10-14 20:33:32,047 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:32,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:33:32,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:32,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:33:32,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:33:32,050 INFO L87 Difference]: Start difference. First operand 337 states and 421 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-10-14 20:33:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:32,190 INFO L93 Difference]: Finished difference Result 379 states and 449 transitions. [2024-10-14 20:33:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 59 [2024-10-14 20:33:32,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:32,192 INFO L225 Difference]: With dead ends: 379 [2024-10-14 20:33:32,192 INFO L226 Difference]: Without dead ends: 377 [2024-10-14 20:33:32,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:33:32,192 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 269 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:32,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 243 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:33:32,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-14 20:33:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 337. [2024-10-14 20:33:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.3571428571428572) internal successors, (399), 325 states have internal predecessors, (399), 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) [2024-10-14 20:33:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 417 transitions. [2024-10-14 20:33:32,209 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 417 transitions. Word has length 59 [2024-10-14 20:33:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:32,209 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 417 transitions. [2024-10-14 20:33:32,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-10-14 20:33:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2024-10-14 20:33:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:33:32,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:32,210 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-10-14 20:33:32,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:32,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:32,415 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:32,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:32,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1021080799, now seen corresponding path program 1 times [2024-10-14 20:33:32,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:32,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963035461] [2024-10-14 20:33:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:32,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:32,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929672097] [2024-10-14 20:33:32,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:32,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:32,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:32,433 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:32,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:33:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:32,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:33:32,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:32,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:33,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:33,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963035461] [2024-10-14 20:33:33,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929672097] [2024-10-14 20:33:33,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929672097] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:33,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:33,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-14 20:33:33,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5306624] [2024-10-14 20:33:33,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:33,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:33:33,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:33,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:33:33,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:33:33,676 INFO L87 Difference]: Start difference. First operand 337 states and 417 transitions. Second operand has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:35,170 INFO L93 Difference]: Finished difference Result 381 states and 463 transitions. [2024-10-14 20:33:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 20:33:35,170 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 61 [2024-10-14 20:33:35,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:35,174 INFO L225 Difference]: With dead ends: 381 [2024-10-14 20:33:35,174 INFO L226 Difference]: Without dead ends: 379 [2024-10-14 20:33:35,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 20:33:35,175 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 513 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:35,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 451 Invalid, 1759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:33:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-14 20:33:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 348. [2024-10-14 20:33:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 305 states have (on average 1.3344262295081968) internal successors, (407), 336 states have internal predecessors, (407), 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) [2024-10-14 20:33:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 425 transitions. [2024-10-14 20:33:35,193 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 425 transitions. Word has length 61 [2024-10-14 20:33:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:35,194 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 425 transitions. [2024-10-14 20:33:35,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 425 transitions. [2024-10-14 20:33:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:33:35,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:35,195 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:35,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:33:35,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:35,400 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:35,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:35,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2097599729, now seen corresponding path program 1 times [2024-10-14 20:33:35,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:35,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808160845] [2024-10-14 20:33:35,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:35,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:35,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069688838] [2024-10-14 20:33:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:35,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:35,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:35,413 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:35,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:33:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:35,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:33:35,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:35,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:35,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:35,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808160845] [2024-10-14 20:33:35,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:35,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069688838] [2024-10-14 20:33:35,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069688838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:35,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:35,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-10-14 20:33:35,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479538233] [2024-10-14 20:33:35,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:35,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:33:35,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:33:35,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:33:35,803 INFO L87 Difference]: Start difference. First operand 348 states and 425 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:36,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:36,932 INFO L93 Difference]: Finished difference Result 486 states and 558 transitions. [2024-10-14 20:33:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 20:33:36,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 61 [2024-10-14 20:33:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:36,935 INFO L225 Difference]: With dead ends: 486 [2024-10-14 20:33:36,935 INFO L226 Difference]: Without dead ends: 484 [2024-10-14 20:33:36,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:33:36,936 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 670 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:36,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 475 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:33:36,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-10-14 20:33:36,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 385. [2024-10-14 20:33:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 341 states have (on average 1.343108504398827) internal successors, (458), 372 states have internal predecessors, (458), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:33:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 478 transitions. [2024-10-14 20:33:36,965 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 478 transitions. Word has length 61 [2024-10-14 20:33:36,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:36,965 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 478 transitions. [2024-10-14 20:33:36,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 478 transitions. [2024-10-14 20:33:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 20:33:36,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:36,966 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:33:36,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:37,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-14 20:33:37,167 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:37,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:37,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1588733621, now seen corresponding path program 1 times [2024-10-14 20:33:37,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:37,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642553523] [2024-10-14 20:33:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:37,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642553523] [2024-10-14 20:33:37,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642553523] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296529978] [2024-10-14 20:33:37,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:37,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:37,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:37,264 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:37,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:33:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:37,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:37,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:37,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:37,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296529978] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:37,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:33:37,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-14 20:33:37,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996189573] [2024-10-14 20:33:37,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:33:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:37,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:33:37,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:33:37,441 INFO L87 Difference]: Start difference. First operand 385 states and 478 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 20:33:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:37,733 INFO L93 Difference]: Finished difference Result 388 states and 481 transitions. [2024-10-14 20:33:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:33:37,733 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2024-10-14 20:33:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:37,734 INFO L225 Difference]: With dead ends: 388 [2024-10-14 20:33:37,735 INFO L226 Difference]: Without dead ends: 386 [2024-10-14 20:33:37,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:33:37,735 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 246 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:37,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 353 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-14 20:33:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-10-14 20:33:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.316715542521994) internal successors, (449), 370 states have internal predecessors, (449), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:33:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 469 transitions. [2024-10-14 20:33:37,753 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 469 transitions. Word has length 62 [2024-10-14 20:33:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:37,753 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 469 transitions. [2024-10-14 20:33:37,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 20:33:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 469 transitions. [2024-10-14 20:33:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 20:33:37,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:37,754 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-14 20:33:37,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:37,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-14 20:33:37,956 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:37,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:37,957 INFO L85 PathProgramCache]: Analyzing trace with hash -601082091, now seen corresponding path program 1 times [2024-10-14 20:33:37,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:37,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18579921] [2024-10-14 20:33:37,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:37,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:37,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247600457] [2024-10-14 20:33:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:37,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:37,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:37,973 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:37,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:33:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:38,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-14 20:33:38,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:38,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:38,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:38,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18579921] [2024-10-14 20:33:38,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:38,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247600457] [2024-10-14 20:33:38,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247600457] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:38,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:38,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-14 20:33:38,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407171929] [2024-10-14 20:33:38,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:38,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:33:38,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:33:38,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:33:38,604 INFO L87 Difference]: Start difference. First operand 383 states and 469 transitions. Second operand has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:39,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:39,529 INFO L93 Difference]: Finished difference Result 480 states and 543 transitions. [2024-10-14 20:33:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 20:33:39,529 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2024-10-14 20:33:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:39,531 INFO L225 Difference]: With dead ends: 480 [2024-10-14 20:33:39,531 INFO L226 Difference]: Without dead ends: 478 [2024-10-14 20:33:39,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-14 20:33:39,532 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 797 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:39,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 578 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:33:39,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-14 20:33:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 383. [2024-10-14 20:33:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.3049853372434017) internal successors, (445), 370 states have internal predecessors, (445), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:33:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 465 transitions. [2024-10-14 20:33:39,550 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 465 transitions. Word has length 62 [2024-10-14 20:33:39,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:39,550 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 465 transitions. [2024-10-14 20:33:39,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:33:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 465 transitions. [2024-10-14 20:33:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 20:33:39,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:39,552 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-14 20:33:39,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:39,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:39,756 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:39,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:39,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1453675567, now seen corresponding path program 1 times [2024-10-14 20:33:39,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:39,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60647547] [2024-10-14 20:33:39,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:39,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:39,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397186026] [2024-10-14 20:33:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:39,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:39,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:39,771 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:39,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:33:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:39,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:33:39,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:39,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:40,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:40,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60647547] [2024-10-14 20:33:40,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:40,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397186026] [2024-10-14 20:33:40,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397186026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:40,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:40,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-14 20:33:40,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676482779] [2024-10-14 20:33:40,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:40,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:33:40,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:40,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:33:40,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:33:40,459 INFO L87 Difference]: Start difference. First operand 383 states and 465 transitions. Second operand has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:42,907 INFO L93 Difference]: Finished difference Result 600 states and 739 transitions. [2024-10-14 20:33:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-14 20:33:42,908 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 63 [2024-10-14 20:33:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:42,910 INFO L225 Difference]: With dead ends: 600 [2024-10-14 20:33:42,910 INFO L226 Difference]: Without dead ends: 598 [2024-10-14 20:33:42,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 20:33:42,911 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 397 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:42,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 490 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 20:33:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-14 20:33:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 489. [2024-10-14 20:33:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 444 states have (on average 1.322072072072072) internal successors, (587), 473 states have internal predecessors, (587), 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) [2024-10-14 20:33:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 613 transitions. [2024-10-14 20:33:42,934 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 613 transitions. Word has length 63 [2024-10-14 20:33:42,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:42,935 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 613 transitions. [2024-10-14 20:33:42,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 613 transitions. [2024-10-14 20:33:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 20:33:42,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:42,936 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:42,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:43,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:43,136 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:43,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2114269545, now seen corresponding path program 1 times [2024-10-14 20:33:43,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:43,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741871841] [2024-10-14 20:33:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358273713] [2024-10-14 20:33:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:43,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:43,153 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:33:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:43,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 20:33:43,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:43,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:44,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741871841] [2024-10-14 20:33:44,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:44,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358273713] [2024-10-14 20:33:44,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358273713] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:44,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:44,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-10-14 20:33:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610809149] [2024-10-14 20:33:44,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:44,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 20:33:44,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 20:33:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:33:44,594 INFO L87 Difference]: Start difference. First operand 489 states and 613 transitions. Second operand has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:33:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:49,242 INFO L93 Difference]: Finished difference Result 622 states and 771 transitions. [2024-10-14 20:33:49,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-14 20:33:49,243 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 64 [2024-10-14 20:33:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:49,244 INFO L225 Difference]: With dead ends: 622 [2024-10-14 20:33:49,244 INFO L226 Difference]: Without dead ends: 617 [2024-10-14 20:33:49,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=665, Invalid=3367, Unknown=0, NotChecked=0, Total=4032 [2024-10-14 20:33:49,245 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 744 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:49,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 284 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 20:33:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-10-14 20:33:49,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 522. [2024-10-14 20:33:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 477 states have (on average 1.310272536687631) internal successors, (625), 506 states have internal predecessors, (625), 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) [2024-10-14 20:33:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 651 transitions. [2024-10-14 20:33:49,271 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 651 transitions. Word has length 64 [2024-10-14 20:33:49,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:49,271 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 651 transitions. [2024-10-14 20:33:49,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-14 20:33:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 651 transitions. [2024-10-14 20:33:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 20:33:49,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:49,272 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:49,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:49,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-14 20:33:49,473 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:49,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1117846381, now seen corresponding path program 1 times [2024-10-14 20:33:49,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:49,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082569285] [2024-10-14 20:33:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:49,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750118782] [2024-10-14 20:33:49,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:49,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:49,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:49,486 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:49,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:33:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:49,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:33:49,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:49,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:50,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:50,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082569285] [2024-10-14 20:33:50,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:50,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750118782] [2024-10-14 20:33:50,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750118782] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:50,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:50,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-10-14 20:33:50,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524278128] [2024-10-14 20:33:50,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:50,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 20:33:50,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:50,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 20:33:50,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:33:50,325 INFO L87 Difference]: Start difference. First operand 522 states and 651 transitions. Second operand has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 20:33:52,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:52,086 INFO L93 Difference]: Finished difference Result 604 states and 743 transitions. [2024-10-14 20:33:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-14 20:33:52,086 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 65 [2024-10-14 20:33:52,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:52,088 INFO L225 Difference]: With dead ends: 604 [2024-10-14 20:33:52,088 INFO L226 Difference]: Without dead ends: 602 [2024-10-14 20:33:52,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2024-10-14 20:33:52,089 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 500 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:52,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 482 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:33:52,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-14 20:33:52,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 525. [2024-10-14 20:33:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 480 states have (on average 1.3041666666666667) internal successors, (626), 509 states have internal predecessors, (626), 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) [2024-10-14 20:33:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 652 transitions. [2024-10-14 20:33:52,114 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 652 transitions. Word has length 65 [2024-10-14 20:33:52,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:52,115 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 652 transitions. [2024-10-14 20:33:52,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-14 20:33:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 652 transitions. [2024-10-14 20:33:52,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 20:33:52,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:52,116 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:52,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:52,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:33:52,316 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:52,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:52,317 INFO L85 PathProgramCache]: Analyzing trace with hash 687793999, now seen corresponding path program 1 times [2024-10-14 20:33:52,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:52,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747479937] [2024-10-14 20:33:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:52,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:52,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:52,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747479937] [2024-10-14 20:33:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747479937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:52,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381047603] [2024-10-14 20:33:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:52,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:52,405 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:52,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:33:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:52,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:33:52,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:52,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:52,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381047603] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:52,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:33:52,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:33:52,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257864662] [2024-10-14 20:33:52,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:52,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:33:52,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:52,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:33:52,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:33:52,631 INFO L87 Difference]: Start difference. First operand 525 states and 652 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:53,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:53,064 INFO L93 Difference]: Finished difference Result 687 states and 869 transitions. [2024-10-14 20:33:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:33:53,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 66 [2024-10-14 20:33:53,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:53,066 INFO L225 Difference]: With dead ends: 687 [2024-10-14 20:33:53,066 INFO L226 Difference]: Without dead ends: 685 [2024-10-14 20:33:53,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:33:53,066 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 175 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:53,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 276 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:33:53,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-10-14 20:33:53,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 653. [2024-10-14 20:33:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 605 states have (on average 1.3289256198347108) internal successors, (804), 634 states have internal predecessors, (804), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 20:33:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 836 transitions. [2024-10-14 20:33:53,099 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 836 transitions. Word has length 66 [2024-10-14 20:33:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:53,100 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 836 transitions. [2024-10-14 20:33:53,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 836 transitions. [2024-10-14 20:33:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-14 20:33:53,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:53,101 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 20:33:53,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-14 20:33:53,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:33:53,301 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:53,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:53,302 INFO L85 PathProgramCache]: Analyzing trace with hash -153222425, now seen corresponding path program 1 times [2024-10-14 20:33:53,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:53,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957314904] [2024-10-14 20:33:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:53,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:53,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957314904] [2024-10-14 20:33:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957314904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:53,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:33:53,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:33:53,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352112150] [2024-10-14 20:33:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:53,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:33:53,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:53,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:33:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:33:53,364 INFO L87 Difference]: Start difference. First operand 653 states and 836 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:53,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:53,704 INFO L93 Difference]: Finished difference Result 895 states and 1164 transitions. [2024-10-14 20:33:53,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:33:53,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2024-10-14 20:33:53,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:53,707 INFO L225 Difference]: With dead ends: 895 [2024-10-14 20:33:53,707 INFO L226 Difference]: Without dead ends: 893 [2024-10-14 20:33:53,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:33:53,708 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 84 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:53,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 295 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:33:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-10-14 20:33:53,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 826. [2024-10-14 20:33:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 773 states have (on average 1.3441138421733505) internal successors, (1039), 802 states have internal predecessors, (1039), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:33:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1081 transitions. [2024-10-14 20:33:53,751 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1081 transitions. Word has length 67 [2024-10-14 20:33:53,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:53,752 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1081 transitions. [2024-10-14 20:33:53,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:33:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1081 transitions. [2024-10-14 20:33:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-14 20:33:53,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:53,753 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:53,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 20:33:53,753 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:53,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash -454927791, now seen corresponding path program 1 times [2024-10-14 20:33:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:53,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574356620] [2024-10-14 20:33:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:33:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:33:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:33:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:53,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574356620] [2024-10-14 20:33:53,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574356620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:33:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604903628] [2024-10-14 20:33:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:53,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:53,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:53,885 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:53,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:33:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:53,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:33:53,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:33:54,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:33:54,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604903628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:33:54,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:33:54,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-10-14 20:33:54,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997448774] [2024-10-14 20:33:54,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:33:54,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:33:54,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:54,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:33:54,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:33:54,171 INFO L87 Difference]: Start difference. First operand 826 states and 1081 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:54,447 INFO L93 Difference]: Finished difference Result 843 states and 1096 transitions. [2024-10-14 20:33:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:33:54,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2024-10-14 20:33:54,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:54,449 INFO L225 Difference]: With dead ends: 843 [2024-10-14 20:33:54,449 INFO L226 Difference]: Without dead ends: 841 [2024-10-14 20:33:54,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:33:54,450 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 158 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:54,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 318 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:33:54,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-14 20:33:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 834. [2024-10-14 20:33:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3380281690140845) internal successors, (1045), 810 states have internal predecessors, (1045), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:33:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1087 transitions. [2024-10-14 20:33:54,498 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1087 transitions. Word has length 68 [2024-10-14 20:33:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:54,499 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1087 transitions. [2024-10-14 20:33:54,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 20:33:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1087 transitions. [2024-10-14 20:33:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:33:54,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:54,500 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:54,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-14 20:33:54,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:54,700 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:54,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:54,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2036408025, now seen corresponding path program 1 times [2024-10-14 20:33:54,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:54,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788371618] [2024-10-14 20:33:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:54,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619985197] [2024-10-14 20:33:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:54,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:54,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:54,715 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:54,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:33:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:54,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:33:54,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:54,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:55,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788371618] [2024-10-14 20:33:55,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619985197] [2024-10-14 20:33:55,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619985197] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:55,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:55,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-14 20:33:55,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186280790] [2024-10-14 20:33:55,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:55,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:33:55,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:55,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:33:55,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:33:55,247 INFO L87 Difference]: Start difference. First operand 834 states and 1087 transitions. Second operand has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:33:56,736 INFO L93 Difference]: Finished difference Result 923 states and 1197 transitions. [2024-10-14 20:33:56,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-14 20:33:56,737 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 71 [2024-10-14 20:33:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:33:56,739 INFO L225 Difference]: With dead ends: 923 [2024-10-14 20:33:56,739 INFO L226 Difference]: Without dead ends: 921 [2024-10-14 20:33:56,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-14 20:33:56,739 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 338 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:33:56,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 351 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 20:33:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-14 20:33:56,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 834. [2024-10-14 20:33:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3354673495518565) internal successors, (1043), 810 states have internal predecessors, (1043), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:33:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1085 transitions. [2024-10-14 20:33:56,783 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1085 transitions. Word has length 71 [2024-10-14 20:33:56,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:33:56,784 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1085 transitions. [2024-10-14 20:33:56,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:33:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1085 transitions. [2024-10-14 20:33:56,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:33:56,785 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:33:56,785 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:33:56,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:33:56,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:56,985 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:33:56,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:33:56,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1295860577, now seen corresponding path program 1 times [2024-10-14 20:33:56,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:33:56,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774327552] [2024-10-14 20:33:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:56,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:33:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:33:56,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406981289] [2024-10-14 20:33:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:33:56,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:33:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:33:56,998 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:33:57,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:33:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:33:57,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 20:33:57,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:33:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:33:57,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:33:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 20:33:58,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:33:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774327552] [2024-10-14 20:33:58,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:33:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406981289] [2024-10-14 20:33:58,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406981289] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:33:58,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:33:58,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-10-14 20:33:58,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454552704] [2024-10-14 20:33:58,033 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:33:58,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 20:33:58,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:33:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 20:33:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:33:58,034 INFO L87 Difference]: Start difference. First operand 834 states and 1085 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:34:02,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:02,037 INFO L93 Difference]: Finished difference Result 846 states and 1098 transitions. [2024-10-14 20:34:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 20:34:02,038 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2024-10-14 20:34:02,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:02,040 INFO L225 Difference]: With dead ends: 846 [2024-10-14 20:34:02,040 INFO L226 Difference]: Without dead ends: 845 [2024-10-14 20:34:02,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:34:02,041 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 262 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:02,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 216 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-14 20:34:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-14 20:34:02,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 833. [2024-10-14 20:34:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 781 states have (on average 1.3162612035851473) internal successors, (1028), 809 states have internal predecessors, (1028), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:34:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1070 transitions. [2024-10-14 20:34:02,081 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1070 transitions. Word has length 72 [2024-10-14 20:34:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:02,081 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1070 transitions. [2024-10-14 20:34:02,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:34:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1070 transitions. [2024-10-14 20:34:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 20:34:02,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:02,082 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 20:34:02,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:02,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:02,283 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:02,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405738, now seen corresponding path program 1 times [2024-10-14 20:34:02,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:02,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592559582] [2024-10-14 20:34:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:02,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:02,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592559582] [2024-10-14 20:34:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592559582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467098] [2024-10-14 20:34:02,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:02,367 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:02,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:34:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:02,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:02,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:02,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:02,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467098] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:02,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:02,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:34:02,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016669559] [2024-10-14 20:34:02,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:02,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:34:02,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:02,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:34:02,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:02,763 INFO L87 Difference]: Start difference. First operand 833 states and 1070 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:34:03,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:03,188 INFO L93 Difference]: Finished difference Result 1191 states and 1512 transitions. [2024-10-14 20:34:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:34:03,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 78 [2024-10-14 20:34:03,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:03,191 INFO L225 Difference]: With dead ends: 1191 [2024-10-14 20:34:03,191 INFO L226 Difference]: Without dead ends: 1189 [2024-10-14 20:34:03,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:34:03,192 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 766 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:03,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 282 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:34:03,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-14 20:34:03,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1033. [2024-10-14 20:34:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 976 states have (on average 1.3032786885245902) internal successors, (1272), 1003 states have internal predecessors, (1272), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1326 transitions. [2024-10-14 20:34:03,245 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1326 transitions. Word has length 78 [2024-10-14 20:34:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:03,246 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1326 transitions. [2024-10-14 20:34:03,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:34:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1326 transitions. [2024-10-14 20:34:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 20:34:03,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:03,246 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 20:34:03,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-14 20:34:03,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-14 20:34:03,447 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:03,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 498464703, now seen corresponding path program 1 times [2024-10-14 20:34:03,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866982855] [2024-10-14 20:34:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:03,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866982855] [2024-10-14 20:34:03,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866982855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:03,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810763706] [2024-10-14 20:34:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:03,522 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:03,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:34:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:03,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:03,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:03,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810763706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:03,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:03,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 20:34:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347176413] [2024-10-14 20:34:03,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:03,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:34:03,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:34:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:03,909 INFO L87 Difference]: Start difference. First operand 1033 states and 1326 transitions. Second operand has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:04,741 INFO L93 Difference]: Finished difference Result 1525 states and 1935 transitions. [2024-10-14 20:34:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:34:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2024-10-14 20:34:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:04,747 INFO L225 Difference]: With dead ends: 1525 [2024-10-14 20:34:04,747 INFO L226 Difference]: Without dead ends: 1524 [2024-10-14 20:34:04,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:34:04,748 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 399 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:04,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 549 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2024-10-14 20:34:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1292. [2024-10-14 20:34:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1227 states have (on average 1.3039934800325998) internal successors, (1600), 1254 states have internal predecessors, (1600), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:34:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1670 transitions. [2024-10-14 20:34:04,853 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1670 transitions. Word has length 81 [2024-10-14 20:34:04,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:04,854 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1670 transitions. [2024-10-14 20:34:04,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1670 transitions. [2024-10-14 20:34:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 20:34:04,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:04,855 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-14 20:34:04,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:05,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,060 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:05,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:05,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1738350956, now seen corresponding path program 1 times [2024-10-14 20:34:05,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:05,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242705187] [2024-10-14 20:34:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:05,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242705187] [2024-10-14 20:34:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242705187] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:05,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018393650] [2024-10-14 20:34:05,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:05,140 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:05,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:34:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:05,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:05,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:05,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018393650] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:05,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:05,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-14 20:34:05,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313273528] [2024-10-14 20:34:05,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:05,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:34:05,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:05,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:34:05,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:05,320 INFO L87 Difference]: Start difference. First operand 1292 states and 1670 transitions. Second operand has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:05,534 INFO L93 Difference]: Finished difference Result 1570 states and 2010 transitions. [2024-10-14 20:34:05,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:34:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 82 [2024-10-14 20:34:05,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:05,538 INFO L225 Difference]: With dead ends: 1570 [2024-10-14 20:34:05,538 INFO L226 Difference]: Without dead ends: 1569 [2024-10-14 20:34:05,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:05,539 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 94 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:05,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 556 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:05,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-10-14 20:34:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1519. [2024-10-14 20:34:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1449 states have (on average 1.2864044168391995) internal successors, (1864), 1476 states have internal predecessors, (1864), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1944 transitions. [2024-10-14 20:34:05,613 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1944 transitions. Word has length 82 [2024-10-14 20:34:05,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:05,614 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1944 transitions. [2024-10-14 20:34:05,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1944 transitions. [2024-10-14 20:34:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 20:34:05,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:05,614 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-14 20:34:05,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-14 20:34:05,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,815 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:05,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1801960399, now seen corresponding path program 1 times [2024-10-14 20:34:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083179789] [2024-10-14 20:34:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:34:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:05,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:05,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083179789] [2024-10-14 20:34:05,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083179789] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:05,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475436538] [2024-10-14 20:34:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:05,920 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:05,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:34:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:05,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:06,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:06,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475436538] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:06,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:06,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-10-14 20:34:06,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096952558] [2024-10-14 20:34:06,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:06,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 20:34:06,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 20:34:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:34:06,508 INFO L87 Difference]: Start difference. First operand 1519 states and 1944 transitions. Second operand has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:34:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:07,311 INFO L93 Difference]: Finished difference Result 1612 states and 2034 transitions. [2024-10-14 20:34:07,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:34:07,311 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 85 [2024-10-14 20:34:07,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:07,316 INFO L225 Difference]: With dead ends: 1612 [2024-10-14 20:34:07,317 INFO L226 Difference]: Without dead ends: 1611 [2024-10-14 20:34:07,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 20:34:07,318 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 864 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:07,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 628 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-10-14 20:34:07,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1525. [2024-10-14 20:34:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2824742268041238) internal successors, (1866), 1482 states have internal predecessors, (1866), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1946 transitions. [2024-10-14 20:34:07,425 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1946 transitions. Word has length 85 [2024-10-14 20:34:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:07,425 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1946 transitions. [2024-10-14 20:34:07,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:34:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1946 transitions. [2024-10-14 20:34:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 20:34:07,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:07,426 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-10-14 20:34:07,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-14 20:34:07,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-14 20:34:07,626 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:07,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1903468058, now seen corresponding path program 1 times [2024-10-14 20:34:07,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:07,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121954563] [2024-10-14 20:34:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:07,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550405217] [2024-10-14 20:34:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:07,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:07,653 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:07,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:34:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:07,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:34:07,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:07,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:08,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121954563] [2024-10-14 20:34:08,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550405217] [2024-10-14 20:34:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550405217] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:08,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:08,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-14 20:34:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146225115] [2024-10-14 20:34:08,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:08,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:34:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:34:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:34:08,314 INFO L87 Difference]: Start difference. First operand 1525 states and 1946 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:34:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:10,449 INFO L93 Difference]: Finished difference Result 1542 states and 1959 transitions. [2024-10-14 20:34:10,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 20:34:10,449 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 86 [2024-10-14 20:34:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:10,453 INFO L225 Difference]: With dead ends: 1542 [2024-10-14 20:34:10,453 INFO L226 Difference]: Without dead ends: 1540 [2024-10-14 20:34:10,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:34:10,454 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 252 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:10,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 488 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 20:34:10,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-10-14 20:34:10,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1525. [2024-10-14 20:34:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2790378006872851) internal successors, (1861), 1482 states have internal predecessors, (1861), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:34:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1941 transitions. [2024-10-14 20:34:10,524 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1941 transitions. Word has length 86 [2024-10-14 20:34:10,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:10,524 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1941 transitions. [2024-10-14 20:34:10,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 20:34:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1941 transitions. [2024-10-14 20:34:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:10,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:10,525 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:10,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-14 20:34:10,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-14 20:34:10,726 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:10,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:10,727 INFO L85 PathProgramCache]: Analyzing trace with hash -812119277, now seen corresponding path program 1 times [2024-10-14 20:34:10,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:10,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984926545] [2024-10-14 20:34:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:34:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:10,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:10,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984926545] [2024-10-14 20:34:10,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984926545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:10,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094432601] [2024-10-14 20:34:10,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:10,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:10,810 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:10,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:34:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:10,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:10,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094432601] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:11,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:11,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-14 20:34:11,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864947246] [2024-10-14 20:34:11,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:11,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:34:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:11,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:34:11,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:11,043 INFO L87 Difference]: Start difference. First operand 1525 states and 1941 transitions. Second operand has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:11,246 INFO L93 Difference]: Finished difference Result 2054 states and 2602 transitions. [2024-10-14 20:34:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:34:11,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 87 [2024-10-14 20:34:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:11,254 INFO L225 Difference]: With dead ends: 2054 [2024-10-14 20:34:11,254 INFO L226 Difference]: Without dead ends: 2053 [2024-10-14 20:34:11,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:11,256 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 226 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:11,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 593 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:11,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2024-10-14 20:34:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1840. [2024-10-14 20:34:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1761 states have (on average 1.2879045996592844) internal successors, (2268), 1788 states have internal predecessors, (2268), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 20:34:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2366 transitions. [2024-10-14 20:34:11,387 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2366 transitions. Word has length 87 [2024-10-14 20:34:11,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:11,388 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2366 transitions. [2024-10-14 20:34:11,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 20:34:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2366 transitions. [2024-10-14 20:34:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 20:34:11,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:11,389 INFO L215 NwaCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:11,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:11,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-14 20:34:11,590 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:11,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:11,590 INFO L85 PathProgramCache]: Analyzing trace with hash 295167100, now seen corresponding path program 1 times [2024-10-14 20:34:11,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430879980] [2024-10-14 20:34:11,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:11,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545350091] [2024-10-14 20:34:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:11,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:11,609 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:11,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:34:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 20:34:11,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:34:12,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:12,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:12,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430879980] [2024-10-14 20:34:12,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:12,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545350091] [2024-10-14 20:34:12,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545350091] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:12,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:12,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-10-14 20:34:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14986630] [2024-10-14 20:34:12,920 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:12,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:34:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:34:12,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:34:12,921 INFO L87 Difference]: Start difference. First operand 1840 states and 2366 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 20:34:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:13,863 INFO L93 Difference]: Finished difference Result 1843 states and 2366 transitions. [2024-10-14 20:34:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:34:13,863 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 89 [2024-10-14 20:34:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:13,869 INFO L225 Difference]: With dead ends: 1843 [2024-10-14 20:34:13,870 INFO L226 Difference]: Without dead ends: 1841 [2024-10-14 20:34:13,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:34:13,871 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 168 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:13,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 752 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-10-14 20:34:13,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1840. [2024-10-14 20:34:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1761 states have (on average 1.2867688813174332) internal successors, (2266), 1788 states have internal predecessors, (2266), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-14 20:34:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2364 transitions. [2024-10-14 20:34:13,991 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2364 transitions. Word has length 89 [2024-10-14 20:34:13,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:13,992 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2364 transitions. [2024-10-14 20:34:13,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 20:34:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2364 transitions. [2024-10-14 20:34:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 20:34:13,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:13,993 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-10-14 20:34:14,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-14 20:34:14,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-14 20:34:14,193 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:14,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:14,194 INFO L85 PathProgramCache]: Analyzing trace with hash 32804096, now seen corresponding path program 1 times [2024-10-14 20:34:14,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:14,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132940129] [2024-10-14 20:34:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:14,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064488592] [2024-10-14 20:34:14,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:14,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:14,223 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:14,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:34:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:14,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:34:14,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 20:34:14,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 20:34:16,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132940129] [2024-10-14 20:34:16,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064488592] [2024-10-14 20:34:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064488592] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:16,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:16,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-10-14 20:34:16,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051896744] [2024-10-14 20:34:16,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:16,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 20:34:16,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 20:34:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:34:16,472 INFO L87 Difference]: Start difference. First operand 1840 states and 2364 transitions. Second operand has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:21,914 INFO L93 Difference]: Finished difference Result 2061 states and 2636 transitions. [2024-10-14 20:34:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-14 20:34:21,914 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 93 [2024-10-14 20:34:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:21,919 INFO L225 Difference]: With dead ends: 2061 [2024-10-14 20:34:21,919 INFO L226 Difference]: Without dead ends: 2057 [2024-10-14 20:34:21,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=534, Invalid=2222, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 20:34:21,920 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 1051 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:21,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 581 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 20:34:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-10-14 20:34:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1948. [2024-10-14 20:34:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1865 states have (on average 1.271313672922252) internal successors, (2371), 1892 states have internal predecessors, (2371), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-14 20:34:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2477 transitions. [2024-10-14 20:34:22,010 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2477 transitions. Word has length 93 [2024-10-14 20:34:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:22,010 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2477 transitions. [2024-10-14 20:34:22,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2477 transitions. [2024-10-14 20:34:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 20:34:22,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:22,011 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:22,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-14 20:34:22,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:22,216 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:22,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2115616630, now seen corresponding path program 1 times [2024-10-14 20:34:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:22,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386581992] [2024-10-14 20:34:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:22,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:22,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:22,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386581992] [2024-10-14 20:34:22,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386581992] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:22,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659991585] [2024-10-14 20:34:22,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:22,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:22,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:34:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:22,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:34:22,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:22,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:22,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659991585] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:22,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:22,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-14 20:34:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985019299] [2024-10-14 20:34:22,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:22,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 20:34:22,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:22,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 20:34:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:34:22,983 INFO L87 Difference]: Start difference. First operand 1948 states and 2477 transitions. Second operand has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:24,032 INFO L93 Difference]: Finished difference Result 1982 states and 2513 transitions. [2024-10-14 20:34:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 20:34:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2024-10-14 20:34:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:24,037 INFO L225 Difference]: With dead ends: 1982 [2024-10-14 20:34:24,037 INFO L226 Difference]: Without dead ends: 1981 [2024-10-14 20:34:24,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-10-14 20:34:24,038 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 175 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:24,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 794 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-10-14 20:34:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1969. [2024-10-14 20:34:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1886 states have (on average 1.2688229056203606) internal successors, (2393), 1913 states have internal predecessors, (2393), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-14 20:34:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2499 transitions. [2024-10-14 20:34:24,155 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2499 transitions. Word has length 95 [2024-10-14 20:34:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:24,156 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2499 transitions. [2024-10-14 20:34:24,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2499 transitions. [2024-10-14 20:34:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:34:24,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:24,157 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:24,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-14 20:34:24,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-10-14 20:34:24,362 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:24,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:24,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2078295400, now seen corresponding path program 1 times [2024-10-14 20:34:24,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:24,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934063371] [2024-10-14 20:34:24,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 20:34:24,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:24,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934063371] [2024-10-14 20:34:24,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934063371] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:24,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971283875] [2024-10-14 20:34:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:24,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:24,567 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:24,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:34:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:34:24,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 20:34:24,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 20:34:24,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971283875] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:24,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:24,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2024-10-14 20:34:24,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280692360] [2024-10-14 20:34:24,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:24,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:34:24,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:34:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:34:24,916 INFO L87 Difference]: Start difference. First operand 1969 states and 2499 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-14 20:34:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:25,391 INFO L93 Difference]: Finished difference Result 2025 states and 2528 transitions. [2024-10-14 20:34:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:34:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 96 [2024-10-14 20:34:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:25,394 INFO L225 Difference]: With dead ends: 2025 [2024-10-14 20:34:25,394 INFO L226 Difference]: Without dead ends: 1038 [2024-10-14 20:34:25,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 191 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:34:25,401 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 418 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:25,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 366 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-10-14 20:34:25,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1028. [2024-10-14 20:34:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 971 states have (on average 1.2286302780638516) internal successors, (1193), 998 states have internal predecessors, (1193), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1247 transitions. [2024-10-14 20:34:25,487 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1247 transitions. Word has length 96 [2024-10-14 20:34:25,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:25,488 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1247 transitions. [2024-10-14 20:34:25,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-14 20:34:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1247 transitions. [2024-10-14 20:34:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:34:25,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:25,489 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:25,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:25,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-10-14 20:34:25,690 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:25,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:25,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1159605914, now seen corresponding path program 1 times [2024-10-14 20:34:25,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322396383] [2024-10-14 20:34:25,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 20:34:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-14 20:34:25,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:25,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322396383] [2024-10-14 20:34:25,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322396383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:25,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:25,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:25,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782088265] [2024-10-14 20:34:25,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:25,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:25,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:25,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:25,771 INFO L87 Difference]: Start difference. First operand 1028 states and 1247 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 20:34:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:25,947 INFO L93 Difference]: Finished difference Result 1040 states and 1252 transitions. [2024-10-14 20:34:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:25,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 96 [2024-10-14 20:34:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:25,949 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 20:34:25,950 INFO L226 Difference]: Without dead ends: 1017 [2024-10-14 20:34:25,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:25,950 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 26 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:25,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 204 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2024-10-14 20:34:26,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1010. [2024-10-14 20:34:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 953 states have (on average 1.2308499475341028) internal successors, (1173), 980 states have internal predecessors, (1173), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1227 transitions. [2024-10-14 20:34:26,007 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1227 transitions. Word has length 96 [2024-10-14 20:34:26,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:26,007 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1227 transitions. [2024-10-14 20:34:26,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 20:34:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1227 transitions. [2024-10-14 20:34:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:34:26,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:26,009 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:26,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-14 20:34:26,009 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:26,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:26,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2044557264, now seen corresponding path program 1 times [2024-10-14 20:34:26,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:26,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182502244] [2024-10-14 20:34:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:26,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:34:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:26,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:26,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182502244] [2024-10-14 20:34:26,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182502244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:26,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305241312] [2024-10-14 20:34:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:26,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:26,152 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:26,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-14 20:34:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:26,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:26,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:26,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:26,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305241312] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:26,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:26,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-14 20:34:26,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712477808] [2024-10-14 20:34:26,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:26,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 20:34:26,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:26,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 20:34:26,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:34:26,730 INFO L87 Difference]: Start difference. First operand 1010 states and 1227 transitions. Second operand has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:27,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:27,595 INFO L93 Difference]: Finished difference Result 1031 states and 1250 transitions. [2024-10-14 20:34:27,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 20:34:27,596 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2024-10-14 20:34:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:27,598 INFO L225 Difference]: With dead ends: 1031 [2024-10-14 20:34:27,598 INFO L226 Difference]: Without dead ends: 1030 [2024-10-14 20:34:27,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 20:34:27,599 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 170 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:27,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 835 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:27,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-10-14 20:34:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1019. [2024-10-14 20:34:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 962 states have (on average 1.2297297297297298) internal successors, (1183), 989 states have internal predecessors, (1183), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1237 transitions. [2024-10-14 20:34:27,661 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1237 transitions. Word has length 96 [2024-10-14 20:34:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1237 transitions. [2024-10-14 20:34:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-14 20:34:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1237 transitions. [2024-10-14 20:34:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:34:27,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:27,662 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:27,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-14 20:34:27,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-10-14 20:34:27,863 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:27,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1820908924, now seen corresponding path program 1 times [2024-10-14 20:34:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:27,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066452528] [2024-10-14 20:34:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:34:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:34:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 20:34:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:34:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:27,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066452528] [2024-10-14 20:34:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066452528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388491690] [2024-10-14 20:34:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:27,952 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:27,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-14 20:34:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:28,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:28,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:28,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:28,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388491690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:28,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:28,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-14 20:34:28,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6466543] [2024-10-14 20:34:28,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:28,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:28,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:28,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:28,132 INFO L87 Difference]: Start difference. First operand 1019 states and 1237 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:34:28,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:28,353 INFO L93 Difference]: Finished difference Result 1027 states and 1237 transitions. [2024-10-14 20:34:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:28,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 99 [2024-10-14 20:34:28,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:28,356 INFO L225 Difference]: With dead ends: 1027 [2024-10-14 20:34:28,356 INFO L226 Difference]: Without dead ends: 1026 [2024-10-14 20:34:28,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:28,357 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 74 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:28,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 319 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-10-14 20:34:28,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1019. [2024-10-14 20:34:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 962 states have (on average 1.2286902286902286) internal successors, (1182), 989 states have internal predecessors, (1182), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:34:28,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1236 transitions. [2024-10-14 20:34:28,421 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1236 transitions. Word has length 99 [2024-10-14 20:34:28,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:28,421 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1236 transitions. [2024-10-14 20:34:28,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:34:28,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1236 transitions. [2024-10-14 20:34:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 20:34:28,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:28,422 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:28,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-10-14 20:34:28,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:28,623 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-14 20:34:28,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash 613601972, now seen corresponding path program 1 times [2024-10-14 20:34:28,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:28,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772126864] [2024-10-14 20:34:28,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:28,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215253454] [2024-10-14 20:34:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:28,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:28,649 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:28,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-14 20:34:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:28,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 20:34:28,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:34:29,400 INFO L311 TraceCheckSpWp]: Computing backward predicates...