/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.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:42:19,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:42:19,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:42:19,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:42:19,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:42:19,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:42:19,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:42:19,601 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 15:42:19,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:42:19,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:42:19,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:42:19,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:42:19,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:42:19,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:42:19,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:42:19,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:42:19,635 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:42:19,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:42:19,636 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:42:19,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:42:19,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:42:19,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:42:19,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:42:19,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:42:19,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:42:19,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:42:19,637 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:42:19,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:42:19,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:42:19,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:42:19,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:42:19,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:42:19,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:42:19,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:42:19,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:19,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:42:19,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:42:19,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:42:19,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:42:19,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:42:19,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:42:19,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:42:20,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:42:20,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:42:20,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:42:20,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:42:20,056 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:42:20,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:42:20,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0668b265d/e975165f0c8f4f87a1bebea48ff450f8/FLAG505afa92f [2022-10-16 15:42:20,787 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:42:20,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:42:20,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0668b265d/e975165f0c8f4f87a1bebea48ff450f8/FLAG505afa92f [2022-10-16 15:42:21,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0668b265d/e975165f0c8f4f87a1bebea48ff450f8 [2022-10-16 15:42:21,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:42:21,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:42:21,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:21,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:42:21,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:42:21,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b33733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21, skipping insertion in model container [2022-10-16 15:42:21,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:42:21,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:42:21,438 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.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2022-10-16 15:42:21,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:21,541 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:42:21,597 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.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2022-10-16 15:42:21,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:21,659 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:42:21,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21 WrapperNode [2022-10-16 15:42:21,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:21,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:21,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:42:21,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:42:21,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,803 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 622 [2022-10-16 15:42:21,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:21,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:42:21,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:42:21,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:42:21,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:42:21,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:42:21,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:42:21,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:42:21,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (1/1) ... [2022-10-16 15:42:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:21,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:42:21,946 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 15:42:21,973 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 15:42:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:42:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:42:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:42:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:42:22,338 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:42:22,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:42:23,061 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:42:23,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:42:23,073 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:42:23,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:23 BoogieIcfgContainer [2022-10-16 15:42:23,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:42:23,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:42:23,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:42:23,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:42:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:42:21" (1/3) ... [2022-10-16 15:42:23,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a64447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:23, skipping insertion in model container [2022-10-16 15:42:23,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:21" (2/3) ... [2022-10-16 15:42:23,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a64447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:23, skipping insertion in model container [2022-10-16 15:42:23,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:23" (3/3) ... [2022-10-16 15:42:23,088 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:42:23,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:42:23,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:42:23,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:42:23,196 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;@29fa3d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:42:23,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:42:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 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 15:42:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 15:42:23,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:23,214 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 15:42:23,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:23,222 INFO L85 PathProgramCache]: Analyzing trace with hash -328888992, now seen corresponding path program 1 times [2022-10-16 15:42:23,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:23,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055418232] [2022-10-16 15:42:23,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:23,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:23,727 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 15:42:23,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:23,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055418232] [2022-10-16 15:42:23,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055418232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:23,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:23,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:23,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336579352] [2022-10-16 15:42:23,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:23,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:23,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:23,781 INFO L87 Difference]: Start difference. First operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 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 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 15:42:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:23,924 INFO L93 Difference]: Finished difference Result 472 states and 670 transitions. [2022-10-16 15:42:23,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:23,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 15:42:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:23,957 INFO L225 Difference]: With dead ends: 472 [2022-10-16 15:42:23,957 INFO L226 Difference]: Without dead ends: 319 [2022-10-16 15:42:23,963 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 15:42:23,968 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 184 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:23,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 730 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-10-16 15:42:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 287. [2022-10-16 15:42:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 253 states have (on average 1.7035573122529644) internal successors, (431), 286 states have internal predecessors, (431), 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 15:42:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 431 transitions. [2022-10-16 15:42:24,055 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 431 transitions. Word has length 45 [2022-10-16 15:42:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:24,059 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 431 transitions. [2022-10-16 15:42:24,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 15:42:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 431 transitions. [2022-10-16 15:42:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 15:42:24,061 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:24,062 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] [2022-10-16 15:42:24,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:42:24,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:24,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash -777980889, now seen corresponding path program 1 times [2022-10-16 15:42:24,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:24,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751053291] [2022-10-16 15:42:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:24,404 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 15:42:24,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:24,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751053291] [2022-10-16 15:42:24,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751053291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:24,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:24,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:24,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135912158] [2022-10-16 15:42:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:24,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:24,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:24,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:24,410 INFO L87 Difference]: Start difference. First operand 287 states and 431 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:42:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:24,538 INFO L93 Difference]: Finished difference Result 639 states and 957 transitions. [2022-10-16 15:42:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:24,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-10-16 15:42:24,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:24,543 INFO L225 Difference]: With dead ends: 639 [2022-10-16 15:42:24,543 INFO L226 Difference]: Without dead ends: 406 [2022-10-16 15:42:24,545 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 15:42:24,547 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 156 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:24,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 492 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-16 15:42:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 381. [2022-10-16 15:42:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 347 states have (on average 1.7002881844380404) internal successors, (590), 380 states have internal predecessors, (590), 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 15:42:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 590 transitions. [2022-10-16 15:42:24,630 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 590 transitions. Word has length 48 [2022-10-16 15:42:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:24,631 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 590 transitions. [2022-10-16 15:42:24,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:42:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 590 transitions. [2022-10-16 15:42:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 15:42:24,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:24,635 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] [2022-10-16 15:42:24,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:42:24,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1520719526, now seen corresponding path program 1 times [2022-10-16 15:42:24,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:24,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271070172] [2022-10-16 15:42:24,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:24,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:24,805 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 15:42:24,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:24,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271070172] [2022-10-16 15:42:24,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271070172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:24,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:24,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:24,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027531163] [2022-10-16 15:42:24,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:24,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:24,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:24,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:24,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:24,812 INFO L87 Difference]: Start difference. First operand 381 states and 590 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 15:42:24,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:24,886 INFO L93 Difference]: Finished difference Result 966 states and 1514 transitions. [2022-10-16 15:42:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:24,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2022-10-16 15:42:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:24,891 INFO L225 Difference]: With dead ends: 966 [2022-10-16 15:42:24,892 INFO L226 Difference]: Without dead ends: 641 [2022-10-16 15:42:24,893 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 15:42:24,895 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 173 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 652 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 15:42:24,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 652 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-10-16 15:42:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 609. [2022-10-16 15:42:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 575 states have (on average 1.7304347826086957) internal successors, (995), 608 states have internal predecessors, (995), 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 15:42:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 995 transitions. [2022-10-16 15:42:24,943 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 995 transitions. Word has length 50 [2022-10-16 15:42:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:24,944 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 995 transitions. [2022-10-16 15:42:24,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 15:42:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 995 transitions. [2022-10-16 15:42:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:42:24,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:24,947 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 15:42:24,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:42:24,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:24,952 INFO L85 PathProgramCache]: Analyzing trace with hash -192638031, now seen corresponding path program 1 times [2022-10-16 15:42:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:24,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346992054] [2022-10-16 15:42:24,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:25,088 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 15:42:25,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:25,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346992054] [2022-10-16 15:42:25,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346992054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:25,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:25,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:25,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117649963] [2022-10-16 15:42:25,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:25,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:25,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:25,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:25,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:25,095 INFO L87 Difference]: Start difference. First operand 609 states and 995 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 15:42:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:25,187 INFO L93 Difference]: Finished difference Result 1477 states and 2412 transitions. [2022-10-16 15:42:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:25,188 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 15:42:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:25,194 INFO L225 Difference]: With dead ends: 1477 [2022-10-16 15:42:25,195 INFO L226 Difference]: Without dead ends: 924 [2022-10-16 15:42:25,196 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 15:42:25,209 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 175 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:25,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 506 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-10-16 15:42:25,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 889. [2022-10-16 15:42:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 855 states have (on average 1.7298245614035088) internal successors, (1479), 888 states have internal predecessors, (1479), 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 15:42:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1479 transitions. [2022-10-16 15:42:25,320 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1479 transitions. Word has length 53 [2022-10-16 15:42:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:25,321 INFO L495 AbstractCegarLoop]: Abstraction has 889 states and 1479 transitions. [2022-10-16 15:42:25,321 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 15:42:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1479 transitions. [2022-10-16 15:42:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:42:25,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:25,324 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 15:42:25,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:42:25,325 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:25,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:25,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1649715484, now seen corresponding path program 1 times [2022-10-16 15:42:25,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:25,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587426842] [2022-10-16 15:42:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:25,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:25,468 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 15:42:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587426842] [2022-10-16 15:42:25,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587426842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:25,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:25,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832295732] [2022-10-16 15:42:25,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:25,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:25,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:25,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:25,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:25,475 INFO L87 Difference]: Start difference. First operand 889 states and 1479 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 15:42:25,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:25,612 INFO L93 Difference]: Finished difference Result 2338 states and 3927 transitions. [2022-10-16 15:42:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:25,612 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 15:42:25,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:25,624 INFO L225 Difference]: With dead ends: 2338 [2022-10-16 15:42:25,624 INFO L226 Difference]: Without dead ends: 1518 [2022-10-16 15:42:25,626 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 15:42:25,633 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 168 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 634 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 15:42:25,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 634 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:25,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-10-16 15:42:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1486. [2022-10-16 15:42:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1452 states have (on average 1.743801652892562) internal successors, (2532), 1485 states have internal predecessors, (2532), 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 15:42:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2532 transitions. [2022-10-16 15:42:25,782 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2532 transitions. Word has length 55 [2022-10-16 15:42:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:25,782 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2532 transitions. [2022-10-16 15:42:25,782 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 15:42:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2532 transitions. [2022-10-16 15:42:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:42:25,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:25,789 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] [2022-10-16 15:42:25,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:42:25,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash 798652267, now seen corresponding path program 1 times [2022-10-16 15:42:25,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:25,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164454882] [2022-10-16 15:42:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:25,930 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 15:42:25,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:25,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164454882] [2022-10-16 15:42:25,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164454882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:25,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:25,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:25,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213599044] [2022-10-16 15:42:25,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:25,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:25,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:25,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:25,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:25,934 INFO L87 Difference]: Start difference. First operand 1486 states and 2532 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 15:42:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:26,138 INFO L93 Difference]: Finished difference Result 3671 states and 6259 transitions. [2022-10-16 15:42:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2022-10-16 15:42:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:26,153 INFO L225 Difference]: With dead ends: 3671 [2022-10-16 15:42:26,153 INFO L226 Difference]: Without dead ends: 2254 [2022-10-16 15:42:26,156 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 15:42:26,158 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 170 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:26,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 508 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-10-16 15:42:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2213. [2022-10-16 15:42:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2179 states have (on average 1.7365764111977973) internal successors, (3784), 2212 states have internal predecessors, (3784), 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 15:42:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3784 transitions. [2022-10-16 15:42:26,340 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3784 transitions. Word has length 58 [2022-10-16 15:42:26,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:26,342 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3784 transitions. [2022-10-16 15:42:26,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 15:42:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3784 transitions. [2022-10-16 15:42:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:42:26,346 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:26,346 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 15:42:26,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:42:26,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1789783198, now seen corresponding path program 1 times [2022-10-16 15:42:26,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:26,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172443091] [2022-10-16 15:42:26,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:26,536 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 15:42:26,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:26,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172443091] [2022-10-16 15:42:26,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172443091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:26,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:26,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:26,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034532943] [2022-10-16 15:42:26,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:26,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:26,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:26,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:26,539 INFO L87 Difference]: Start difference. First operand 2213 states and 3784 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 15:42:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:26,930 INFO L93 Difference]: Finished difference Result 4118 states and 7090 transitions. [2022-10-16 15:42:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:26,930 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 15:42:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:26,956 INFO L225 Difference]: With dead ends: 4118 [2022-10-16 15:42:26,956 INFO L226 Difference]: Without dead ends: 4115 [2022-10-16 15:42:26,961 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 15:42:26,963 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 206 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 383 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 15:42:26,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 383 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:26,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-16 15:42:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-16 15:42:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7315568714532446) internal successors, (7018), 4086 states have internal predecessors, (7018), 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 15:42:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 7018 transitions. [2022-10-16 15:42:27,358 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 7018 transitions. Word has length 60 [2022-10-16 15:42:27,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:27,359 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 7018 transitions. [2022-10-16 15:42:27,359 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 15:42:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 7018 transitions. [2022-10-16 15:42:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:42:27,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:27,360 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 15:42:27,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:42:27,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:27,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:27,362 INFO L85 PathProgramCache]: Analyzing trace with hash -351295465, now seen corresponding path program 1 times [2022-10-16 15:42:27,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:27,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781282896] [2022-10-16 15:42:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:27,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:27,540 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 15:42:27,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:27,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781282896] [2022-10-16 15:42:27,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781282896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:27,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:27,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:27,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625879597] [2022-10-16 15:42:27,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:27,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:27,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:27,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:27,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:27,543 INFO L87 Difference]: Start difference. First operand 4087 states and 7018 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 15:42:27,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:27,947 INFO L93 Difference]: Finished difference Result 4118 states and 7018 transitions. [2022-10-16 15:42:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:27,948 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 15:42:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:27,972 INFO L225 Difference]: With dead ends: 4118 [2022-10-16 15:42:27,973 INFO L226 Difference]: Without dead ends: 4115 [2022-10-16 15:42:27,975 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 15:42:27,976 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 202 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 386 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 15:42:27,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 386 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-16 15:42:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-16 15:42:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7137922526523564) internal successors, (6946), 4086 states have internal predecessors, (6946), 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 15:42:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 6946 transitions. [2022-10-16 15:42:28,326 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 6946 transitions. Word has length 61 [2022-10-16 15:42:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:28,327 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 6946 transitions. [2022-10-16 15:42:28,327 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 15:42:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 6946 transitions. [2022-10-16 15:42:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:42:28,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:28,328 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 15:42:28,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:42:28,329 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:28,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1994742720, now seen corresponding path program 1 times [2022-10-16 15:42:28,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:28,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430157200] [2022-10-16 15:42:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:28,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:28,453 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 15:42:28,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:28,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430157200] [2022-10-16 15:42:28,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430157200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:28,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:28,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:28,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687485451] [2022-10-16 15:42:28,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:28,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:28,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:28,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:28,456 INFO L87 Difference]: Start difference. First operand 4087 states and 6946 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 15:42:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:28,954 INFO L93 Difference]: Finished difference Result 6089 states and 10171 transitions. [2022-10-16 15:42:28,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:28,954 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 15:42:28,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:28,989 INFO L225 Difference]: With dead ends: 6089 [2022-10-16 15:42:28,989 INFO L226 Difference]: Without dead ends: 6086 [2022-10-16 15:42:28,993 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 15:42:28,994 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 203 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 341 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 15:42:28,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 341 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:29,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-10-16 15:42:29,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6076. [2022-10-16 15:42:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6076 states, 6044 states have (on average 1.6599933818663137) internal successors, (10033), 6075 states have internal predecessors, (10033), 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 15:42:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6076 states to 6076 states and 10033 transitions. [2022-10-16 15:42:29,598 INFO L78 Accepts]: Start accepts. Automaton has 6076 states and 10033 transitions. Word has length 62 [2022-10-16 15:42:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:29,599 INFO L495 AbstractCegarLoop]: Abstraction has 6076 states and 10033 transitions. [2022-10-16 15:42:29,599 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 15:42:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 6076 states and 10033 transitions. [2022-10-16 15:42:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:42:29,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:29,601 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 15:42:29,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:42:29,601 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:29,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:29,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1707482425, now seen corresponding path program 1 times [2022-10-16 15:42:29,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:29,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102592697] [2022-10-16 15:42:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:29,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:29,801 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 15:42:29,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:29,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102592697] [2022-10-16 15:42:29,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102592697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:29,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:29,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:29,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011949422] [2022-10-16 15:42:29,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:29,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:29,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:29,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:29,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:29,804 INFO L87 Difference]: Start difference. First operand 6076 states and 10033 transitions. Second operand has 3 states, 2 states have (on average 31.5) 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 15:42:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:30,629 INFO L93 Difference]: Finished difference Result 9753 states and 16198 transitions. [2022-10-16 15:42:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:30,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) 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 15:42:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:30,675 INFO L225 Difference]: With dead ends: 9753 [2022-10-16 15:42:30,675 INFO L226 Difference]: Without dead ends: 9750 [2022-10-16 15:42:30,681 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 15:42:30,682 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 199 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 376 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 15:42:30,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 376 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9750 states. [2022-10-16 15:42:31,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9750 to 9722. [2022-10-16 15:42:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9722 states, 9690 states have (on average 1.6530443756449948) internal successors, (16018), 9721 states have internal predecessors, (16018), 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 15:42:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 16018 transitions. [2022-10-16 15:42:31,566 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 16018 transitions. Word has length 63 [2022-10-16 15:42:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:31,567 INFO L495 AbstractCegarLoop]: Abstraction has 9722 states and 16018 transitions. [2022-10-16 15:42:31,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) 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 15:42:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 16018 transitions. [2022-10-16 15:42:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:42:31,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:31,568 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 15:42:31,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:42:31,569 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash 213111419, now seen corresponding path program 1 times [2022-10-16 15:42:31,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:31,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43913871] [2022-10-16 15:42:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:31,681 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 15:42:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:31,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43913871] [2022-10-16 15:42:31,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43913871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:31,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:31,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:31,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570479195] [2022-10-16 15:42:31,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:31,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:31,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:31,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:31,685 INFO L87 Difference]: Start difference. First operand 9722 states and 16018 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 15:42:33,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:33,045 INFO L93 Difference]: Finished difference Result 27597 states and 45751 transitions. [2022-10-16 15:42:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:33,045 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 15:42:33,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:33,109 INFO L225 Difference]: With dead ends: 27597 [2022-10-16 15:42:33,110 INFO L226 Difference]: Without dead ends: 17957 [2022-10-16 15:42:33,133 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 15:42:33,135 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 565 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 782 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 15:42:33,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 782 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17957 states. [2022-10-16 15:42:34,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17957 to 15266. [2022-10-16 15:42:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15266 states, 15234 states have (on average 1.6511093606406722) internal successors, (25153), 15265 states have internal predecessors, (25153), 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 15:42:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15266 states to 15266 states and 25153 transitions. [2022-10-16 15:42:34,543 INFO L78 Accepts]: Start accepts. Automaton has 15266 states and 25153 transitions. Word has length 65 [2022-10-16 15:42:34,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:34,543 INFO L495 AbstractCegarLoop]: Abstraction has 15266 states and 25153 transitions. [2022-10-16 15:42:34,543 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 15:42:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 15266 states and 25153 transitions. [2022-10-16 15:42:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:42:34,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:34,545 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] [2022-10-16 15:42:34,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:42:34,545 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:34,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:34,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1983480347, now seen corresponding path program 1 times [2022-10-16 15:42:34,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:34,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41854645] [2022-10-16 15:42:34,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:34,659 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 15:42:34,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:34,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41854645] [2022-10-16 15:42:34,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41854645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:34,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:34,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:34,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378808160] [2022-10-16 15:42:34,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:34,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:34,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:34,662 INFO L87 Difference]: Start difference. First operand 15266 states and 25153 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 15:42:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:36,188 INFO L93 Difference]: Finished difference Result 19176 states and 31774 transitions. [2022-10-16 15:42:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:36,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-10-16 15:42:36,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:36,252 INFO L225 Difference]: With dead ends: 19176 [2022-10-16 15:42:36,253 INFO L226 Difference]: Without dead ends: 19175 [2022-10-16 15:42:36,261 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 15:42:36,262 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 559 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:36,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 476 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19175 states. [2022-10-16 15:42:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19175 to 19118. [2022-10-16 15:42:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19118 states, 19086 states have (on average 1.654249187886409) internal successors, (31573), 19117 states have internal predecessors, (31573), 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 15:42:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19118 states to 19118 states and 31573 transitions. [2022-10-16 15:42:37,694 INFO L78 Accepts]: Start accepts. Automaton has 19118 states and 31573 transitions. Word has length 66 [2022-10-16 15:42:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:37,694 INFO L495 AbstractCegarLoop]: Abstraction has 19118 states and 31573 transitions. [2022-10-16 15:42:37,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 15:42:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 19118 states and 31573 transitions. [2022-10-16 15:42:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:42:37,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:37,697 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 15:42:37,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:42:37,698 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:37,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:37,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1354886546, now seen corresponding path program 1 times [2022-10-16 15:42:37,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:37,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635288835] [2022-10-16 15:42:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:37,831 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 15:42:37,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:37,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635288835] [2022-10-16 15:42:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635288835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:37,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:37,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:42:37,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498845329] [2022-10-16 15:42:37,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:37,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:37,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:37,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:37,834 INFO L87 Difference]: Start difference. First operand 19118 states and 31573 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 15:42:40,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:40,494 INFO L93 Difference]: Finished difference Result 48315 states and 79870 transitions. [2022-10-16 15:42:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:42:40,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 15:42:40,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:40,580 INFO L225 Difference]: With dead ends: 48315 [2022-10-16 15:42:40,581 INFO L226 Difference]: Without dead ends: 29279 [2022-10-16 15:42:40,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:42:40,613 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1122 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:40,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1561 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:42:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29279 states. [2022-10-16 15:42:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29279 to 25605. [2022-10-16 15:42:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25605 states, 25573 states have (on average 1.6488483947913815) internal successors, (42166), 25604 states have internal predecessors, (42166), 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 15:42:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25605 states to 25605 states and 42166 transitions. [2022-10-16 15:42:42,588 INFO L78 Accepts]: Start accepts. Automaton has 25605 states and 42166 transitions. Word has length 67 [2022-10-16 15:42:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:42,589 INFO L495 AbstractCegarLoop]: Abstraction has 25605 states and 42166 transitions. [2022-10-16 15:42:42,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 15:42:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 25605 states and 42166 transitions. [2022-10-16 15:42:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:42:42,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:42,590 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 15:42:42,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:42:42,591 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash 840874247, now seen corresponding path program 1 times [2022-10-16 15:42:42,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:42,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784481280] [2022-10-16 15:42:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:42,709 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 15:42:42,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:42,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784481280] [2022-10-16 15:42:42,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784481280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:42,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:42,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249244611] [2022-10-16 15:42:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:42,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:42,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:42,712 INFO L87 Difference]: Start difference. First operand 25605 states and 42166 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 15:42:46,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:46,232 INFO L93 Difference]: Finished difference Result 71567 states and 118413 transitions. [2022-10-16 15:42:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:46,233 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 15:42:46,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:46,357 INFO L225 Difference]: With dead ends: 71567 [2022-10-16 15:42:46,357 INFO L226 Difference]: Without dead ends: 46044 [2022-10-16 15:42:46,401 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 15:42:46,402 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 561 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 790 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 15:42:46,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 790 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46044 states. [2022-10-16 15:42:49,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46044 to 38859. [2022-10-16 15:42:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38859 states, 38827 states have (on average 1.6414350838334149) internal successors, (63732), 38858 states have internal predecessors, (63732), 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 15:42:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38859 states to 38859 states and 63732 transitions. [2022-10-16 15:42:50,049 INFO L78 Accepts]: Start accepts. Automaton has 38859 states and 63732 transitions. Word has length 68 [2022-10-16 15:42:50,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:50,050 INFO L495 AbstractCegarLoop]: Abstraction has 38859 states and 63732 transitions. [2022-10-16 15:42:50,050 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 15:42:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38859 states and 63732 transitions. [2022-10-16 15:42:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:42:50,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:50,051 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] [2022-10-16 15:42:50,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:42:50,051 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:50,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:50,052 INFO L85 PathProgramCache]: Analyzing trace with hash 297298144, now seen corresponding path program 1 times [2022-10-16 15:42:50,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:50,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648316370] [2022-10-16 15:42:50,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:50,148 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 15:42:50,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:50,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648316370] [2022-10-16 15:42:50,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648316370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285414287] [2022-10-16 15:42:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:50,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:50,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:50,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:50,151 INFO L87 Difference]: Start difference. First operand 38859 states and 63732 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:53,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:53,966 INFO L93 Difference]: Finished difference Result 50837 states and 83871 transitions. [2022-10-16 15:42:53,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:53,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:42:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:54,079 INFO L225 Difference]: With dead ends: 50837 [2022-10-16 15:42:54,079 INFO L226 Difference]: Without dead ends: 50836 [2022-10-16 15:42:54,093 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 15:42:54,094 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 549 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:54,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 479 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50836 states. [2022-10-16 15:42:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50836 to 50719. [2022-10-16 15:42:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50719 states, 50687 states have (on average 1.6431826701126522) internal successors, (83288), 50718 states have internal predecessors, (83288), 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 15:42:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50719 states to 50719 states and 83288 transitions. [2022-10-16 15:42:58,432 INFO L78 Accepts]: Start accepts. Automaton has 50719 states and 83288 transitions. Word has length 69 [2022-10-16 15:42:58,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:58,432 INFO L495 AbstractCegarLoop]: Abstraction has 50719 states and 83288 transitions. [2022-10-16 15:42:58,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 50719 states and 83288 transitions. [2022-10-16 15:42:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:42:58,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:58,433 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 15:42:58,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:42:58,434 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:42:58,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:58,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2059283934, now seen corresponding path program 1 times [2022-10-16 15:42:58,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:58,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903561841] [2022-10-16 15:42:58,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:58,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:58,529 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 15:42:58,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:58,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903561841] [2022-10-16 15:42:58,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903561841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:58,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:58,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:58,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799076825] [2022-10-16 15:42:58,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:58,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:58,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:58,532 INFO L87 Difference]: Start difference. First operand 50719 states and 83288 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 15:43:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:06,836 INFO L93 Difference]: Finished difference Result 154606 states and 255224 transitions. [2022-10-16 15:43:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:43:06,837 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 15:43:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:07,056 INFO L225 Difference]: With dead ends: 154606 [2022-10-16 15:43:07,056 INFO L226 Difference]: Without dead ends: 103969 [2022-10-16 15:43:07,119 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 15:43:07,120 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 557 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:07,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 812 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:43:07,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103969 states. [2022-10-16 15:43:13,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103969 to 77115. [2022-10-16 15:43:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77115 states, 77083 states have (on average 1.6398168208294954) internal successors, (126402), 77114 states have internal predecessors, (126402), 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 15:43:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77115 states to 77115 states and 126402 transitions. [2022-10-16 15:43:14,263 INFO L78 Accepts]: Start accepts. Automaton has 77115 states and 126402 transitions. Word has length 71 [2022-10-16 15:43:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:14,263 INFO L495 AbstractCegarLoop]: Abstraction has 77115 states and 126402 transitions. [2022-10-16 15:43:14,264 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 15:43:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 77115 states and 126402 transitions. [2022-10-16 15:43:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:43:14,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:14,265 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] [2022-10-16 15:43:14,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:43:14,265 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:43:14,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:14,266 INFO L85 PathProgramCache]: Analyzing trace with hash 586707756, now seen corresponding path program 1 times [2022-10-16 15:43:14,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:14,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090927673] [2022-10-16 15:43:14,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:14,387 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 15:43:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:14,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090927673] [2022-10-16 15:43:14,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090927673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:14,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:14,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:43:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331646989] [2022-10-16 15:43:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:14,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:43:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:43:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:43:14,390 INFO L87 Difference]: Start difference. First operand 77115 states and 126402 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 15:43:23,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:23,293 INFO L93 Difference]: Finished difference Result 113595 states and 186517 transitions. [2022-10-16 15:43:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:43:23,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 72 [2022-10-16 15:43:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:23,698 INFO L225 Difference]: With dead ends: 113595 [2022-10-16 15:43:23,698 INFO L226 Difference]: Without dead ends: 113594 [2022-10-16 15:43:23,732 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 15:43:23,734 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 557 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:23,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 521 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:43:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113594 states. [2022-10-16 15:43:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113594 to 113291. [2022-10-16 15:43:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113291 states, 113259 states have (on average 1.63471335611298) internal successors, (185146), 113290 states have internal predecessors, (185146), 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 15:43:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113291 states to 113291 states and 185146 transitions. [2022-10-16 15:43:33,945 INFO L78 Accepts]: Start accepts. Automaton has 113291 states and 185146 transitions. Word has length 72 [2022-10-16 15:43:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:33,945 INFO L495 AbstractCegarLoop]: Abstraction has 113291 states and 185146 transitions. [2022-10-16 15:43:33,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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 15:43:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 113291 states and 185146 transitions. [2022-10-16 15:43:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:43:33,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:33,946 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 15:43:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:43:33,947 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:43:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash -49414738, now seen corresponding path program 1 times [2022-10-16 15:43:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:33,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360105915] [2022-10-16 15:43:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:34,052 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 15:43:34,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:34,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360105915] [2022-10-16 15:43:34,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360105915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:34,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:34,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:43:34,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599952163] [2022-10-16 15:43:34,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:34,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:43:34,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:34,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:43:34,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:43:34,056 INFO L87 Difference]: Start difference. First operand 113291 states and 185146 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 15:43:53,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:53,083 INFO L93 Difference]: Finished difference Result 223739 states and 369910 transitions. [2022-10-16 15:43:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:43:53,084 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 15:43:53,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:53,659 INFO L225 Difference]: With dead ends: 223739 [2022-10-16 15:43:53,660 INFO L226 Difference]: Without dead ends: 223737 [2022-10-16 15:43:53,728 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 15:43:53,729 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 547 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 742 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 15:43:53,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 742 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:43:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223737 states. [2022-10-16 15:44:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223737 to 191071. [2022-10-16 15:44:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191071 states, 191039 states have (on average 1.6382361716717528) internal successors, (312967), 191070 states have internal predecessors, (312967), 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 15:44:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191071 states to 191071 states and 312967 transitions. [2022-10-16 15:44:12,017 INFO L78 Accepts]: Start accepts. Automaton has 191071 states and 312967 transitions. Word has length 82 [2022-10-16 15:44:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:12,017 INFO L495 AbstractCegarLoop]: Abstraction has 191071 states and 312967 transitions. [2022-10-16 15:44:12,017 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 15:44:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 191071 states and 312967 transitions. [2022-10-16 15:44:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:44:12,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:12,018 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 15:44:12,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:44:12,019 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:44:12,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -49346218, now seen corresponding path program 1 times [2022-10-16 15:44:12,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:12,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127756442] [2022-10-16 15:44:12,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:12,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:12,307 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 15:44:12,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:12,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127756442] [2022-10-16 15:44:12,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127756442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:12,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:12,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:44:12,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652508835] [2022-10-16 15:44:12,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:12,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:44:12,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:12,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:44:12,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:44:12,310 INFO L87 Difference]: Start difference. First operand 191071 states and 312967 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 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 15:44:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:31,169 INFO L93 Difference]: Finished difference Result 382088 states and 625822 transitions. [2022-10-16 15:44:31,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:44:31,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 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 15:44:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:31,888 INFO L225 Difference]: With dead ends: 382088 [2022-10-16 15:44:31,889 INFO L226 Difference]: Without dead ends: 191099 [2022-10-16 15:44:32,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:44:32,080 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 389 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:32,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 660 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:44:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191099 states. [2022-10-16 15:44:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191099 to 191071. [2022-10-16 15:44:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191071 states, 191039 states have (on average 1.6343887897235643) internal successors, (312232), 191070 states have internal predecessors, (312232), 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 15:44:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191071 states to 191071 states and 312232 transitions. [2022-10-16 15:44:51,151 INFO L78 Accepts]: Start accepts. Automaton has 191071 states and 312232 transitions. Word has length 82 [2022-10-16 15:44:51,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:51,151 INFO L495 AbstractCegarLoop]: Abstraction has 191071 states and 312232 transitions. [2022-10-16 15:44:51,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 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 15:44:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 191071 states and 312232 transitions. [2022-10-16 15:44:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:44:51,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:51,153 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 15:44:51,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:44:51,153 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:44:51,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:51,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1531856558, now seen corresponding path program 1 times [2022-10-16 15:44:51,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:51,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382700961] [2022-10-16 15:44:51,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:51,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:51,301 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 15:44:51,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:51,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382700961] [2022-10-16 15:44:51,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382700961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:51,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:51,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:51,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977754362] [2022-10-16 15:44:51,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:51,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:51,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:51,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:51,305 INFO L87 Difference]: Start difference. First operand 191071 states and 312232 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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) [2022-10-16 15:45:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:12,501 INFO L93 Difference]: Finished difference Result 229125 states and 376042 transitions. [2022-10-16 15:45:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:45:12,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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) Word has length 83 [2022-10-16 15:45:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:13,256 INFO L225 Difference]: With dead ends: 229125 [2022-10-16 15:45:13,256 INFO L226 Difference]: Without dead ends: 229123 [2022-10-16 15:45:13,323 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 15:45:13,324 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 542 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 524 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 15:45:13,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 524 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:45:13,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229123 states. [2022-10-16 15:45:35,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229123 to 229095. [2022-10-16 15:45:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229095 states, 229063 states have (on average 1.6284210020823966) internal successors, (373011), 229094 states have internal predecessors, (373011), 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 15:45:36,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229095 states to 229095 states and 373011 transitions. [2022-10-16 15:45:36,958 INFO L78 Accepts]: Start accepts. Automaton has 229095 states and 373011 transitions. Word has length 83 [2022-10-16 15:45:36,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:36,958 INFO L495 AbstractCegarLoop]: Abstraction has 229095 states and 373011 transitions. [2022-10-16 15:45:36,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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) [2022-10-16 15:45:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 229095 states and 373011 transitions. [2022-10-16 15:45:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:45:36,960 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:36,961 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, 1] [2022-10-16 15:45:36,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:45:36,961 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:45:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:36,961 INFO L85 PathProgramCache]: Analyzing trace with hash -242912720, now seen corresponding path program 1 times [2022-10-16 15:45:36,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:36,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378663462] [2022-10-16 15:45:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:37,074 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 15:45:37,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:37,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378663462] [2022-10-16 15:45:37,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378663462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:37,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:37,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:45:37,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511085821] [2022-10-16 15:45:37,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:37,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:45:37,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:37,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:45:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:45:37,077 INFO L87 Difference]: Start difference. First operand 229095 states and 373011 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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)