/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:45:35,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:45:35,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:45:35,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:45:36,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:45:36,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:45:36,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:45:36,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:45:36,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:45:36,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:45:36,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:45:36,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:45:36,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:45:36,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:45:36,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:45:36,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:45:36,115 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:45:36,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:45:36,116 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:45:36,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:45:36,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:45:36,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:45:36,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:45:36,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:45:36,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:45:36,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:45:36,118 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:45:36,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:45:36,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:45:36,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:45:36,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:45:36,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:45:36,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:45:36,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:45:36,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:45:36,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:45:36,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:45:36,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:45:36,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:45:36,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:45:36,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:45:36,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:45:36,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:45:36,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:45:36,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:45:36,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:45:36,601 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:45:36,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:45:36,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cf7ff79/063a0290e68343a183aa41d1d61b9a26/FLAGa973a5fda [2022-10-16 15:45:37,406 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:45:37,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:45:37,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cf7ff79/063a0290e68343a183aa41d1d61b9a26/FLAGa973a5fda [2022-10-16 15:45:37,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cf7ff79/063a0290e68343a183aa41d1d61b9a26 [2022-10-16 15:45:37,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:45:37,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:45:37,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:45:37,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:45:37,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:45:37,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:45:37" (1/1) ... [2022-10-16 15:45:37,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abafd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:37, skipping insertion in model container [2022-10-16 15:45:37,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:45:37" (1/1) ... [2022-10-16 15:45:37,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:45:37,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:45:38,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7349,7362] [2022-10-16 15:45:38,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:45:38,099 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:45:38,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7349,7362] [2022-10-16 15:45:38,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:45:38,210 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:45:38,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38 WrapperNode [2022-10-16 15:45:38,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:45:38,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:45:38,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:45:38,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:45:38,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,313 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 622 [2022-10-16 15:45:38,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:45:38,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:45:38,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:45:38,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:45:38,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:45:38,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:45:38,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:45:38,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:45:38,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (1/1) ... [2022-10-16 15:45:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:45:38,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:45:38,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:45:38,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:45:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:45:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:45:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:45:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:45:38,707 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:45:38,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:45:39,584 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:45:39,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:45:39,599 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:45:39,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:45:39 BoogieIcfgContainer [2022-10-16 15:45:39,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:45:39,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:45:39,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:45:39,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:45:39,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:45:37" (1/3) ... [2022-10-16 15:45:39,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcd29d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:45:39, skipping insertion in model container [2022-10-16 15:45:39,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:38" (2/3) ... [2022-10-16 15:45:39,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcd29d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:45:39, skipping insertion in model container [2022-10-16 15:45:39,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:45:39" (3/3) ... [2022-10-16 15:45:39,623 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:45:39,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:45:39,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 15:45:39,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:45:39,728 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@10e2ef16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:45:39,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 15:45:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 166 states have (on average 1.819277108433735) internal successors, (302), 198 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 15:45:39,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:39,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:39,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:39,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:39,756 INFO L85 PathProgramCache]: Analyzing trace with hash -328877924, now seen corresponding path program 1 times [2022-10-16 15:45:39,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:39,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344305531] [2022-10-16 15:45:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:39,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:40,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:40,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344305531] [2022-10-16 15:45:40,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344305531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:40,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:40,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:45:40,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925289876] [2022-10-16 15:45:40,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:40,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:45:40,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:40,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:45:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:45:40,209 INFO L87 Difference]: Start difference. First operand has 199 states, 166 states have (on average 1.819277108433735) internal successors, (302), 198 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 45.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:40,250 INFO L93 Difference]: Finished difference Result 202 states and 304 transitions. [2022-10-16 15:45:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:45:40,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 45.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-16 15:45:40,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:40,269 INFO L225 Difference]: With dead ends: 202 [2022-10-16 15:45:40,270 INFO L226 Difference]: Without dead ends: 190 [2022-10-16 15:45:40,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:45:40,279 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:40,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-10-16 15:45:40,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-10-16 15:45:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 164 states have (on average 1.6158536585365855) internal successors, (265), 189 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 265 transitions. [2022-10-16 15:45:40,348 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 265 transitions. Word has length 45 [2022-10-16 15:45:40,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:40,349 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 265 transitions. [2022-10-16 15:45:40,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 45.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 265 transitions. [2022-10-16 15:45:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:45:40,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:40,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:40,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:45:40,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:40,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:40,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1583948058, now seen corresponding path program 1 times [2022-10-16 15:45:40,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:40,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242659860] [2022-10-16 15:45:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:40,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242659860] [2022-10-16 15:45:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242659860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:40,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:40,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140749120] [2022-10-16 15:45:40,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:40,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:40,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:40,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:40,763 INFO L87 Difference]: Start difference. First operand 190 states and 265 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:40,942 INFO L93 Difference]: Finished difference Result 427 states and 602 transitions. [2022-10-16 15:45:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:40,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 15:45:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:40,948 INFO L225 Difference]: With dead ends: 427 [2022-10-16 15:45:40,948 INFO L226 Difference]: Without dead ends: 291 [2022-10-16 15:45:40,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:40,955 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 152 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:40,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 481 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-10-16 15:45:40,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 271. [2022-10-16 15:45:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 245 states have (on average 1.636734693877551) internal successors, (401), 270 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 401 transitions. [2022-10-16 15:45:41,004 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 401 transitions. Word has length 53 [2022-10-16 15:45:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:41,004 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 401 transitions. [2022-10-16 15:45:41,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 401 transitions. [2022-10-16 15:45:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:45:41,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:41,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:41,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:45:41,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:41,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:41,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1436879571, now seen corresponding path program 1 times [2022-10-16 15:45:41,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:41,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721831809] [2022-10-16 15:45:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:41,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:41,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:41,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721831809] [2022-10-16 15:45:41,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721831809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:41,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:41,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:41,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737463919] [2022-10-16 15:45:41,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:41,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:41,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:41,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:41,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:41,178 INFO L87 Difference]: Start difference. First operand 271 states and 401 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:41,257 INFO L93 Difference]: Finished difference Result 691 states and 1033 transitions. [2022-10-16 15:45:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:41,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 15:45:41,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:41,263 INFO L225 Difference]: With dead ends: 691 [2022-10-16 15:45:41,264 INFO L226 Difference]: Without dead ends: 474 [2022-10-16 15:45:41,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:41,280 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 171 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:41,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 497 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-10-16 15:45:41,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 444. [2022-10-16 15:45:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 418 states have (on average 1.6650717703349283) internal successors, (696), 443 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 696 transitions. [2022-10-16 15:45:41,357 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 696 transitions. Word has length 55 [2022-10-16 15:45:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:41,361 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 696 transitions. [2022-10-16 15:45:41,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 696 transitions. [2022-10-16 15:45:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:45:41,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:41,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:41,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:45:41,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:41,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:41,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1609954822, now seen corresponding path program 1 times [2022-10-16 15:45:41,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:41,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678096454] [2022-10-16 15:45:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:41,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:41,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:41,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678096454] [2022-10-16 15:45:41,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678096454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:41,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:41,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:41,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792748500] [2022-10-16 15:45:41,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:41,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:41,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:41,626 INFO L87 Difference]: Start difference. First operand 444 states and 696 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:41,757 INFO L93 Difference]: Finished difference Result 1196 states and 1892 transitions. [2022-10-16 15:45:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:41,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 15:45:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:41,764 INFO L225 Difference]: With dead ends: 1196 [2022-10-16 15:45:41,764 INFO L226 Difference]: Without dead ends: 806 [2022-10-16 15:45:41,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:41,779 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 166 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:41,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 498 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2022-10-16 15:45:41,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 772. [2022-10-16 15:45:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 746 states have (on average 1.67828418230563) internal successors, (1252), 771 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1252 transitions. [2022-10-16 15:45:41,860 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1252 transitions. Word has length 57 [2022-10-16 15:45:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:41,863 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1252 transitions. [2022-10-16 15:45:41,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1252 transitions. [2022-10-16 15:45:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:45:41,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:41,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:41,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:45:41,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2105681997, now seen corresponding path program 1 times [2022-10-16 15:45:41,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:41,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617788659] [2022-10-16 15:45:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:42,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617788659] [2022-10-16 15:45:42,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617788659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:42,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:42,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:45:42,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605057370] [2022-10-16 15:45:42,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:42,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:42,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:42,154 INFO L87 Difference]: Start difference. First operand 772 states and 1252 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:42,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:42,394 INFO L93 Difference]: Finished difference Result 1487 states and 2432 transitions. [2022-10-16 15:45:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:42,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:45:42,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:42,404 INFO L225 Difference]: With dead ends: 1487 [2022-10-16 15:45:42,404 INFO L226 Difference]: Without dead ends: 1484 [2022-10-16 15:45:42,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:42,406 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 202 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:42,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 373 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:42,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-10-16 15:45:42,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1464. [2022-10-16 15:45:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1438 states have (on average 1.6773296244784424) internal successors, (2412), 1463 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2412 transitions. [2022-10-16 15:45:42,566 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2412 transitions. Word has length 59 [2022-10-16 15:45:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:42,568 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 2412 transitions. [2022-10-16 15:45:42,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2412 transitions. [2022-10-16 15:45:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:45:42,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:42,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:42,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:45:42,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:42,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:42,573 INFO L85 PathProgramCache]: Analyzing trace with hash 851632721, now seen corresponding path program 1 times [2022-10-16 15:45:42,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:42,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800735966] [2022-10-16 15:45:42,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:42,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:42,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:42,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800735966] [2022-10-16 15:45:42,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800735966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:42,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:42,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:45:42,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919701650] [2022-10-16 15:45:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:42,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:42,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:42,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:42,810 INFO L87 Difference]: Start difference. First operand 1464 states and 2412 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:43,040 INFO L93 Difference]: Finished difference Result 1487 states and 2412 transitions. [2022-10-16 15:45:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:43,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:45:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:43,051 INFO L225 Difference]: With dead ends: 1487 [2022-10-16 15:45:43,051 INFO L226 Difference]: Without dead ends: 1484 [2022-10-16 15:45:43,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:43,053 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 198 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:43,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 376 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-10-16 15:45:43,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1464. [2022-10-16 15:45:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1438 states have (on average 1.6634214186369958) internal successors, (2392), 1463 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2392 transitions. [2022-10-16 15:45:43,192 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2392 transitions. Word has length 60 [2022-10-16 15:45:43,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:43,192 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 2392 transitions. [2022-10-16 15:45:43,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2392 transitions. [2022-10-16 15:45:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:45:43,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:43,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:43,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:45:43,195 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:43,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:43,195 INFO L85 PathProgramCache]: Analyzing trace with hash 630810831, now seen corresponding path program 1 times [2022-10-16 15:45:43,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:43,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496429767] [2022-10-16 15:45:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:43,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:43,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496429767] [2022-10-16 15:45:43,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496429767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:43,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:43,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:45:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240587232] [2022-10-16 15:45:43,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:43,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:43,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:43,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:43,369 INFO L87 Difference]: Start difference. First operand 1464 states and 2392 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:43,669 INFO L93 Difference]: Finished difference Result 2187 states and 3540 transitions. [2022-10-16 15:45:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:45:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:43,683 INFO L225 Difference]: With dead ends: 2187 [2022-10-16 15:45:43,683 INFO L226 Difference]: Without dead ends: 2184 [2022-10-16 15:45:43,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:43,685 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 199 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:43,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 331 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2022-10-16 15:45:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2182. [2022-10-16 15:45:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2158 states have (on average 1.6218721037998147) internal successors, (3500), 2181 states have internal predecessors, (3500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3500 transitions. [2022-10-16 15:45:43,926 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3500 transitions. Word has length 61 [2022-10-16 15:45:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:43,927 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 3500 transitions. [2022-10-16 15:45:43,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3500 transitions. [2022-10-16 15:45:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:45:43,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:43,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:43,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:45:43,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1919700461, now seen corresponding path program 1 times [2022-10-16 15:45:43,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:43,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809069349] [2022-10-16 15:45:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:43,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:44,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809069349] [2022-10-16 15:45:44,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809069349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:44,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:44,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:45:44,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301106127] [2022-10-16 15:45:44,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:44,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:44,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:44,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:44,053 INFO L87 Difference]: Start difference. First operand 2182 states and 3500 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:44,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:44,527 INFO L93 Difference]: Finished difference Result 3475 states and 5595 transitions. [2022-10-16 15:45:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:44,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:45:44,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:44,551 INFO L225 Difference]: With dead ends: 3475 [2022-10-16 15:45:44,551 INFO L226 Difference]: Without dead ends: 3472 [2022-10-16 15:45:44,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:44,554 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 195 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:44,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 366 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2022-10-16 15:45:44,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3452. [2022-10-16 15:45:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3452 states, 3428 states have (on average 1.616977829638273) internal successors, (5543), 3451 states have internal predecessors, (5543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:44,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 3452 states and 5543 transitions. [2022-10-16 15:45:44,987 INFO L78 Accepts]: Start accepts. Automaton has 3452 states and 5543 transitions. Word has length 62 [2022-10-16 15:45:44,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:44,988 INFO L495 AbstractCegarLoop]: Abstraction has 3452 states and 5543 transitions. [2022-10-16 15:45:44,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3452 states and 5543 transitions. [2022-10-16 15:45:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:45:44,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:44,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:44,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:45:44,991 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:44,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:44,991 INFO L85 PathProgramCache]: Analyzing trace with hash 908161603, now seen corresponding path program 1 times [2022-10-16 15:45:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:44,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027004139] [2022-10-16 15:45:44,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:45,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:45,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027004139] [2022-10-16 15:45:45,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027004139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:45,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:45,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:45,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889224709] [2022-10-16 15:45:45,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:45,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:45,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:45,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:45,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:45,054 INFO L87 Difference]: Start difference. First operand 3452 states and 5543 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:45,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:45,517 INFO L93 Difference]: Finished difference Result 6618 states and 10642 transitions. [2022-10-16 15:45:45,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:45,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:45:45,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:45,546 INFO L225 Difference]: With dead ends: 6618 [2022-10-16 15:45:45,546 INFO L226 Difference]: Without dead ends: 4783 [2022-10-16 15:45:45,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:45,555 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 167 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:45,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 615 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-10-16 15:45:46,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4759. [2022-10-16 15:45:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 4735 states have (on average 1.6168954593453009) internal successors, (7656), 4758 states have internal predecessors, (7656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 7656 transitions. [2022-10-16 15:45:46,084 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 7656 transitions. Word has length 63 [2022-10-16 15:45:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:46,085 INFO L495 AbstractCegarLoop]: Abstraction has 4759 states and 7656 transitions. [2022-10-16 15:45:46,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 7656 transitions. [2022-10-16 15:45:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:45:46,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:46,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:46,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:45:46,093 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:46,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:46,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1533300905, now seen corresponding path program 1 times [2022-10-16 15:45:46,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:46,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954793937] [2022-10-16 15:45:46,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:46,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:46,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:46,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954793937] [2022-10-16 15:45:46,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954793937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:46,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:46,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:46,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989349675] [2022-10-16 15:45:46,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:46,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:46,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:46,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:46,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:46,161 INFO L87 Difference]: Start difference. First operand 4759 states and 7656 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:46,918 INFO L93 Difference]: Finished difference Result 11472 states and 18541 transitions. [2022-10-16 15:45:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:45:46,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:46,956 INFO L225 Difference]: With dead ends: 11472 [2022-10-16 15:45:46,956 INFO L226 Difference]: Without dead ends: 6781 [2022-10-16 15:45:46,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:46,966 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 172 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:46,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 627 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:46,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2022-10-16 15:45:47,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 6757. [2022-10-16 15:45:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6757 states, 6733 states have (on average 1.6258725679489083) internal successors, (10947), 6756 states have internal predecessors, (10947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 10947 transitions. [2022-10-16 15:45:47,722 INFO L78 Accepts]: Start accepts. Automaton has 6757 states and 10947 transitions. Word has length 63 [2022-10-16 15:45:47,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:47,723 INFO L495 AbstractCegarLoop]: Abstraction has 6757 states and 10947 transitions. [2022-10-16 15:45:47,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6757 states and 10947 transitions. [2022-10-16 15:45:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:45:47,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:47,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:47,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:45:47,725 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:47,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:47,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2003802613, now seen corresponding path program 1 times [2022-10-16 15:45:47,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:47,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454748572] [2022-10-16 15:45:47,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:47,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:47,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454748572] [2022-10-16 15:45:47,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454748572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:47,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:47,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:47,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502159201] [2022-10-16 15:45:47,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:47,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:45:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:47,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:45:47,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:45:47,840 INFO L87 Difference]: Start difference. First operand 6757 states and 10947 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:49,410 INFO L93 Difference]: Finished difference Result 21311 states and 34613 transitions. [2022-10-16 15:45:49,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:45:49,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 15:45:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:49,473 INFO L225 Difference]: With dead ends: 21311 [2022-10-16 15:45:49,473 INFO L226 Difference]: Without dead ends: 14622 [2022-10-16 15:45:49,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:45:49,492 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 551 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:49,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 762 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:45:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-10-16 15:45:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11976. [2022-10-16 15:45:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11976 states, 11952 states have (on average 1.6173862115127176) internal successors, (19331), 11975 states have internal predecessors, (19331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11976 states to 11976 states and 19331 transitions. [2022-10-16 15:45:50,582 INFO L78 Accepts]: Start accepts. Automaton has 11976 states and 19331 transitions. Word has length 64 [2022-10-16 15:45:50,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:50,582 INFO L495 AbstractCegarLoop]: Abstraction has 11976 states and 19331 transitions. [2022-10-16 15:45:50,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 11976 states and 19331 transitions. [2022-10-16 15:45:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:45:50,585 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:50,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:50,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:45:50,586 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:50,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1988339124, now seen corresponding path program 1 times [2022-10-16 15:45:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:50,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037653746] [2022-10-16 15:45:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:50,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:50,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037653746] [2022-10-16 15:45:50,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037653746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:50,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:50,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:50,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606657953] [2022-10-16 15:45:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:50,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:45:50,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:45:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:45:50,683 INFO L87 Difference]: Start difference. First operand 11976 states and 19331 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:52,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:52,116 INFO L93 Difference]: Finished difference Result 15833 states and 25667 transitions. [2022-10-16 15:45:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:45:52,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:45:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:52,165 INFO L225 Difference]: With dead ends: 15833 [2022-10-16 15:45:52,166 INFO L226 Difference]: Without dead ends: 15832 [2022-10-16 15:45:52,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:45:52,174 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 545 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:52,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 466 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15832 states. [2022-10-16 15:45:53,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15832 to 15792. [2022-10-16 15:45:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15792 states, 15768 states have (on average 1.6182775240994418) internal successors, (25517), 15791 states have internal predecessors, (25517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15792 states to 15792 states and 25517 transitions. [2022-10-16 15:45:53,516 INFO L78 Accepts]: Start accepts. Automaton has 15792 states and 25517 transitions. Word has length 65 [2022-10-16 15:45:53,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:53,516 INFO L495 AbstractCegarLoop]: Abstraction has 15792 states and 25517 transitions. [2022-10-16 15:45:53,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:53,516 INFO L276 IsEmpty]: Start isEmpty. Operand 15792 states and 25517 transitions. [2022-10-16 15:45:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:45:53,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:53,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:53,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:45:53,518 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:53,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1342303065, now seen corresponding path program 1 times [2022-10-16 15:45:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:53,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790808735] [2022-10-16 15:45:53,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:53,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:53,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790808735] [2022-10-16 15:45:53,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790808735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:53,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:53,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:53,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856143458] [2022-10-16 15:45:53,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:53,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:45:53,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:53,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:45:53,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:53,584 INFO L87 Difference]: Start difference. First operand 15792 states and 25517 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:55,157 INFO L93 Difference]: Finished difference Result 31837 states and 51552 transitions. [2022-10-16 15:45:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:45:55,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:45:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:55,221 INFO L225 Difference]: With dead ends: 31837 [2022-10-16 15:45:55,221 INFO L226 Difference]: Without dead ends: 22205 [2022-10-16 15:45:55,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:45:55,244 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 162 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:55,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 611 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:45:55,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22205 states. [2022-10-16 15:45:57,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22205 to 22181. [2022-10-16 15:45:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22181 states, 22157 states have (on average 1.6144784943810082) internal successors, (35772), 22180 states have internal predecessors, (35772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22181 states to 22181 states and 35772 transitions. [2022-10-16 15:45:57,515 INFO L78 Accepts]: Start accepts. Automaton has 22181 states and 35772 transitions. Word has length 65 [2022-10-16 15:45:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:57,516 INFO L495 AbstractCegarLoop]: Abstraction has 22181 states and 35772 transitions. [2022-10-16 15:45:57,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 22181 states and 35772 transitions. [2022-10-16 15:45:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:45:57,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:57,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:45:57,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:45:57,518 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:45:57,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash -466539978, now seen corresponding path program 1 times [2022-10-16 15:45:57,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:57,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610662388] [2022-10-16 15:45:57,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:57,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:45:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:57,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610662388] [2022-10-16 15:45:57,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610662388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:57,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:57,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689284377] [2022-10-16 15:45:57,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:57,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:45:57,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:57,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:45:57,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:45:57,617 INFO L87 Difference]: Start difference. First operand 22181 states and 35772 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:00,955 INFO L93 Difference]: Finished difference Result 63245 states and 102365 transitions. [2022-10-16 15:46:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:00,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:46:00,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:01,076 INFO L225 Difference]: With dead ends: 63245 [2022-10-16 15:46:01,076 INFO L226 Difference]: Without dead ends: 41145 [2022-10-16 15:46:01,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:01,118 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 547 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:01,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 765 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41145 states. [2022-10-16 15:46:04,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41145 to 34182. [2022-10-16 15:46:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34182 states, 34158 states have (on average 1.604397212951578) internal successors, (54803), 34181 states have internal predecessors, (54803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34182 states to 34182 states and 54803 transitions. [2022-10-16 15:46:04,261 INFO L78 Accepts]: Start accepts. Automaton has 34182 states and 54803 transitions. Word has length 67 [2022-10-16 15:46:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:04,262 INFO L495 AbstractCegarLoop]: Abstraction has 34182 states and 54803 transitions. [2022-10-16 15:46:04,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 34182 states and 54803 transitions. [2022-10-16 15:46:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:46:04,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:04,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:04,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:46:04,264 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:46:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1577837158, now seen corresponding path program 1 times [2022-10-16 15:46:04,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:04,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228843417] [2022-10-16 15:46:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:04,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:04,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:04,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228843417] [2022-10-16 15:46:04,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228843417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:04,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:04,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:04,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848856321] [2022-10-16 15:46:04,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:04,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:04,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:04,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:04,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:04,368 INFO L87 Difference]: Start difference. First operand 34182 states and 54803 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:07,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:07,910 INFO L93 Difference]: Finished difference Result 44335 states and 71513 transitions. [2022-10-16 15:46:07,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:07,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:46:07,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:07,992 INFO L225 Difference]: With dead ends: 44335 [2022-10-16 15:46:07,992 INFO L226 Difference]: Without dead ends: 44334 [2022-10-16 15:46:08,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:08,004 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 540 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:08,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 468 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:46:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44334 states. [2022-10-16 15:46:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44334 to 44228. [2022-10-16 15:46:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44228 states, 44204 states have (on average 1.6057144149850693) internal successors, (70979), 44227 states have internal predecessors, (70979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44228 states to 44228 states and 70979 transitions. [2022-10-16 15:46:11,812 INFO L78 Accepts]: Start accepts. Automaton has 44228 states and 70979 transitions. Word has length 68 [2022-10-16 15:46:11,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:11,813 INFO L495 AbstractCegarLoop]: Abstraction has 44228 states and 70979 transitions. [2022-10-16 15:46:11,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 44228 states and 70979 transitions. [2022-10-16 15:46:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:46:11,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:11,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:11,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:46:11,816 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:46:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash -178044548, now seen corresponding path program 1 times [2022-10-16 15:46:11,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:11,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924280564] [2022-10-16 15:46:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:11,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:11,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:11,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924280564] [2022-10-16 15:46:11,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924280564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:11,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:11,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956361442] [2022-10-16 15:46:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:11,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:11,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:11,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:11,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:11,943 INFO L87 Difference]: Start difference. First operand 44228 states and 70979 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:19,549 INFO L93 Difference]: Finished difference Result 137277 states and 221225 transitions. [2022-10-16 15:46:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:19,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:46:19,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:19,745 INFO L225 Difference]: With dead ends: 137277 [2022-10-16 15:46:19,746 INFO L226 Difference]: Without dead ends: 93130 [2022-10-16 15:46:19,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:19,816 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 543 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:19,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 838 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:19,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93130 states. [2022-10-16 15:46:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93130 to 68449. [2022-10-16 15:46:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68449 states, 68425 states have (on average 1.599210814760687) internal successors, (109426), 68448 states have internal predecessors, (109426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68449 states to 68449 states and 109426 transitions. [2022-10-16 15:46:26,573 INFO L78 Accepts]: Start accepts. Automaton has 68449 states and 109426 transitions. Word has length 70 [2022-10-16 15:46:26,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:26,574 INFO L495 AbstractCegarLoop]: Abstraction has 68449 states and 109426 transitions. [2022-10-16 15:46:26,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 68449 states and 109426 transitions. [2022-10-16 15:46:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:46:26,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:26,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:26,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:46:26,575 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:46:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1224413413, now seen corresponding path program 1 times [2022-10-16 15:46:26,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:26,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134258206] [2022-10-16 15:46:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:26,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:26,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134258206] [2022-10-16 15:46:26,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134258206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:26,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:26,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:26,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455490429] [2022-10-16 15:46:26,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:26,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:26,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:26,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:26,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:26,667 INFO L87 Difference]: Start difference. First operand 68449 states and 109426 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:35,430 INFO L93 Difference]: Finished difference Result 99484 states and 159371 transitions. [2022-10-16 15:46:35,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:35,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:46:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:35,616 INFO L225 Difference]: With dead ends: 99484 [2022-10-16 15:46:35,616 INFO L226 Difference]: Without dead ends: 99483 [2022-10-16 15:46:35,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:35,642 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 537 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:35,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 510 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:46:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99483 states. [2022-10-16 15:46:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99483 to 99194. [2022-10-16 15:46:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99194 states, 99170 states have (on average 1.5941010386205505) internal successors, (158087), 99193 states have internal predecessors, (158087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99194 states to 99194 states and 158087 transitions. [2022-10-16 15:46:45,124 INFO L78 Accepts]: Start accepts. Automaton has 99194 states and 158087 transitions. Word has length 71 [2022-10-16 15:46:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:45,125 INFO L495 AbstractCegarLoop]: Abstraction has 99194 states and 158087 transitions. [2022-10-16 15:46:45,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 99194 states and 158087 transitions. [2022-10-16 15:46:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:46:45,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:45,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:45,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:46:45,127 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:46:45,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:45,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1780539773, now seen corresponding path program 1 times [2022-10-16 15:46:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:45,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616180206] [2022-10-16 15:46:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:45,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:45,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616180206] [2022-10-16 15:46:45,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616180206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:45,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:45,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:45,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049697417] [2022-10-16 15:46:45,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:45,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:45,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:45,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:45,235 INFO L87 Difference]: Start difference. First operand 99194 states and 158087 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:02,831 INFO L93 Difference]: Finished difference Result 199392 states and 321123 transitions. [2022-10-16 15:47:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:47:02,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 15:47:02,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:03,443 INFO L225 Difference]: With dead ends: 199392 [2022-10-16 15:47:03,444 INFO L226 Difference]: Without dead ends: 199390 [2022-10-16 15:47:03,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:47:03,499 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 533 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:03,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 733 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:47:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199390 states. [2022-10-16 15:47:19,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199390 to 167543. [2022-10-16 15:47:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167543 states, 167519 states have (on average 1.598135136909843) internal successors, (267718), 167542 states have internal predecessors, (267718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167543 states to 167543 states and 267718 transitions. [2022-10-16 15:47:20,662 INFO L78 Accepts]: Start accepts. Automaton has 167543 states and 267718 transitions. Word has length 81 [2022-10-16 15:47:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:20,662 INFO L495 AbstractCegarLoop]: Abstraction has 167543 states and 267718 transitions. [2022-10-16 15:47:20,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 167543 states and 267718 transitions. [2022-10-16 15:47:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:47:20,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:20,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:20,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:47:20,664 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:47:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:20,664 INFO L85 PathProgramCache]: Analyzing trace with hash -637841560, now seen corresponding path program 1 times [2022-10-16 15:47:20,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:20,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918061121] [2022-10-16 15:47:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:20,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:20,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:20,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918061121] [2022-10-16 15:47:20,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918061121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:20,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:20,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:20,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212680628] [2022-10-16 15:47:20,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:20,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:47:20,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:20,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:47:20,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:20,798 INFO L87 Difference]: Start difference. First operand 167543 states and 267718 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:41,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:41,034 INFO L93 Difference]: Finished difference Result 204982 states and 328599 transitions. [2022-10-16 15:47:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:47:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:47:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:41,534 INFO L225 Difference]: With dead ends: 204982 [2022-10-16 15:47:41,534 INFO L226 Difference]: Without dead ends: 204980 [2022-10-16 15:47:41,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:47:41,594 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 528 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:41,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 514 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:47:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204980 states. [2022-10-16 15:48:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204980 to 204960. [2022-10-16 15:48:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204960 states, 204936 states have (on average 1.5924581332708747) internal successors, (326352), 204959 states have internal predecessors, (326352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204960 states to 204960 states and 326352 transitions. [2022-10-16 15:48:03,353 INFO L78 Accepts]: Start accepts. Automaton has 204960 states and 326352 transitions. Word has length 82 [2022-10-16 15:48:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:03,354 INFO L495 AbstractCegarLoop]: Abstraction has 204960 states and 326352 transitions. [2022-10-16 15:48:03,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 204960 states and 326352 transitions. [2022-10-16 15:48:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:48:03,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:03,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:03,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:48:03,356 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:48:03,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:03,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1701748447, now seen corresponding path program 1 times [2022-10-16 15:48:03,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:03,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968197046] [2022-10-16 15:48:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:03,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:03,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968197046] [2022-10-16 15:48:03,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968197046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:03,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:03,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:48:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138122700] [2022-10-16 15:48:03,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:03,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:48:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:03,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:48:03,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:48:03,502 INFO L87 Difference]: Start difference. First operand 204960 states and 326352 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)