/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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:21:23,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:21:23,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:21:23,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:21:23,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:21:23,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:21:23,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:21:23,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:21:23,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:21:23,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:21:23,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:21:23,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:21:23,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:21:23,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:21:23,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:21:23,301 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 [2022-10-15 22:21:23,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:21:23,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:21:23,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:21:23,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:21:23,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:21:23,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:21:23,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:21:23,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:21:23,363 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:21:23,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:21:23,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:21:23,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:21:23,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:21:23,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:21:23,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:21:23,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:21:23,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:21:23,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:21:23,368 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:21:23,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:21:23,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:21:23,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:21:23,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:21:23,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:21:23,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:21:23,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:21:23,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:23,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:21:23,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:21:23,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:21:23,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:21:23,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:21:23,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:21:23,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:21:23,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:21:23,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:21:23,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:21:23,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:21:23,785 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:21:23,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:21:23,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2959f17/675572f9989f45149e09385fb0aacec3/FLAG79a964ba2 [2022-10-15 22:21:24,595 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:21:24,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:21:24,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2959f17/675572f9989f45149e09385fb0aacec3/FLAG79a964ba2 [2022-10-15 22:21:24,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2959f17/675572f9989f45149e09385fb0aacec3 [2022-10-15 22:21:24,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:21:24,870 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:21:24,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:24,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:21:24,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:21:24,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:24" (1/1) ... [2022-10-15 22:21:24,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277bd789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:24, skipping insertion in model container [2022-10-15 22:21:24,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:24" (1/1) ... [2022-10-15 22:21:24,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:21:24,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:21:25,281 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2022-10-15 22:21:25,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:25,399 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:21:25,503 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2022-10-15 22:21:25,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:25,578 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:21:25,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25 WrapperNode [2022-10-15 22:21:25,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:25,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:25,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:21:25,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:21:25,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,679 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 667 [2022-10-15 22:21:25,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:25,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:21:25,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:21:25,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:21:25,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:21:25,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:21:25,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:21:25,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:21:25,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (1/1) ... [2022-10-15 22:21:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:21:25,777 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) [2022-10-15 22:21:25,804 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 [2022-10-15 22:21:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:21:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:21:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:21:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:21:25,986 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:21:25,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:21:26,807 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:21:26,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:21:26,819 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:21:26,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:26 BoogieIcfgContainer [2022-10-15 22:21:26,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:21:26,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:21:26,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:21:26,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:21:26,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:21:24" (1/3) ... [2022-10-15 22:21:26,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db0ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:26, skipping insertion in model container [2022-10-15 22:21:26,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:25" (2/3) ... [2022-10-15 22:21:26,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db0ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:26, skipping insertion in model container [2022-10-15 22:21:26,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:26" (3/3) ... [2022-10-15 22:21:26,832 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:21:26,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:21:26,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 22:21:26,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:21:26,930 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;@698f9ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:21:26,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 22:21:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 180 states have (on average 1.8055555555555556) internal successors, (325), 214 states have internal predecessors, (325), 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) [2022-10-15 22:21:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:21:26,949 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:26,950 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] [2022-10-15 22:21:26,951 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)] === [2022-10-15 22:21:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1140953183, now seen corresponding path program 1 times [2022-10-15 22:21:26,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:26,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646458458] [2022-10-15 22:21:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:27,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:27,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646458458] [2022-10-15 22:21:27,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646458458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:27,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:27,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:27,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665069885] [2022-10-15 22:21:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:27,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:27,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:27,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:27,561 INFO L87 Difference]: Start difference. First operand has 215 states, 180 states have (on average 1.8055555555555556) internal successors, (325), 214 states have internal predecessors, (325), 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 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) [2022-10-15 22:21:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:27,728 INFO L93 Difference]: Finished difference Result 505 states and 722 transitions. [2022-10-15 22:21:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:27,734 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 [2022-10-15 22:21:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:27,750 INFO L225 Difference]: With dead ends: 505 [2022-10-15 22:21:27,750 INFO L226 Difference]: Without dead ends: 341 [2022-10-15 22:21:27,755 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 [2022-10-15 22:21:27,759 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 203 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 778 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 [2022-10-15 22:21:27,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 778 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-15 22:21:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 309. [2022-10-15 22:21:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 275 states have (on average 1.6836363636363636) internal successors, (463), 308 states have internal predecessors, (463), 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) [2022-10-15 22:21:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 463 transitions. [2022-10-15 22:21:27,862 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 463 transitions. Word has length 48 [2022-10-15 22:21:27,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:27,863 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 463 transitions. [2022-10-15 22:21:27,864 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) [2022-10-15 22:21:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 463 transitions. [2022-10-15 22:21:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:21:27,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:27,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:27,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:21:27,868 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)] === [2022-10-15 22:21:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1192367967, now seen corresponding path program 1 times [2022-10-15 22:21:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:27,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886335607] [2022-10-15 22:21:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:28,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:28,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886335607] [2022-10-15 22:21:28,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886335607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:28,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:28,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:28,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438233297] [2022-10-15 22:21:28,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:28,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:28,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:28,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:28,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:28,092 INFO L87 Difference]: Start difference. First operand 309 states and 463 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-10-15 22:21:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:28,179 INFO L93 Difference]: Finished difference Result 690 states and 1034 transitions. [2022-10-15 22:21:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:28,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-10-15 22:21:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:28,186 INFO L225 Difference]: With dead ends: 690 [2022-10-15 22:21:28,186 INFO L226 Difference]: Without dead ends: 438 [2022-10-15 22:21:28,195 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 [2022-10-15 22:21:28,197 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 172 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:28,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 529 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-10-15 22:21:28,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 413. [2022-10-15 22:21:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 379 states have (on average 1.683377308707124) internal successors, (638), 412 states have internal predecessors, (638), 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) [2022-10-15 22:21:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 638 transitions. [2022-10-15 22:21:28,239 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 638 transitions. Word has length 52 [2022-10-15 22:21:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:28,240 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 638 transitions. [2022-10-15 22:21:28,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-10-15 22:21:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 638 transitions. [2022-10-15 22:21:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:21:28,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:28,242 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] [2022-10-15 22:21:28,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:21:28,243 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)] === [2022-10-15 22:21:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash 258375616, now seen corresponding path program 1 times [2022-10-15 22:21:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:28,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70648629] [2022-10-15 22:21:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:28,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:28,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:28,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70648629] [2022-10-15 22:21:28,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70648629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:28,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:28,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:28,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939371453] [2022-10-15 22:21:28,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:28,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:28,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:28,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:28,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:28,370 INFO L87 Difference]: Start difference. First operand 413 states and 638 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-10-15 22:21:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:28,439 INFO L93 Difference]: Finished difference Result 1047 states and 1637 transitions. [2022-10-15 22:21:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:28,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-10-15 22:21:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:28,444 INFO L225 Difference]: With dead ends: 1047 [2022-10-15 22:21:28,444 INFO L226 Difference]: Without dead ends: 693 [2022-10-15 22:21:28,445 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 [2022-10-15 22:21:28,447 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 188 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 692 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 [2022-10-15 22:21:28,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 692 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:28,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-15 22:21:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 661. [2022-10-15 22:21:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 627 states have (on average 1.711323763955343) internal successors, (1073), 660 states have internal predecessors, (1073), 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) [2022-10-15 22:21:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1073 transitions. [2022-10-15 22:21:28,492 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1073 transitions. Word has length 54 [2022-10-15 22:21:28,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1073 transitions. [2022-10-15 22:21:28,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-10-15 22:21:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1073 transitions. [2022-10-15 22:21:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:21:28,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:28,495 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] [2022-10-15 22:21:28,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:21:28,496 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)] === [2022-10-15 22:21:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:28,497 INFO L85 PathProgramCache]: Analyzing trace with hash -707003036, now seen corresponding path program 1 times [2022-10-15 22:21:28,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:28,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240952441] [2022-10-15 22:21:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:28,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:28,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240952441] [2022-10-15 22:21:28,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240952441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:28,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:28,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:28,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991692529] [2022-10-15 22:21:28,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:28,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:28,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:28,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:28,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:28,645 INFO L87 Difference]: Start difference. First operand 661 states and 1073 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) [2022-10-15 22:21:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:28,727 INFO L93 Difference]: Finished difference Result 1607 states and 2612 transitions. [2022-10-15 22:21:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:28,728 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 [2022-10-15 22:21:28,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:28,736 INFO L225 Difference]: With dead ends: 1607 [2022-10-15 22:21:28,736 INFO L226 Difference]: Without dead ends: 1005 [2022-10-15 22:21:28,740 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 [2022-10-15 22:21:28,749 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 190 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 542 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 [2022-10-15 22:21:28,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 542 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:28,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-10-15 22:21:28,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 970. [2022-10-15 22:21:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 936 states have (on average 1.7136752136752136) internal successors, (1604), 969 states have internal predecessors, (1604), 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) [2022-10-15 22:21:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1604 transitions. [2022-10-15 22:21:28,820 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1604 transitions. Word has length 58 [2022-10-15 22:21:28,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:28,820 INFO L495 AbstractCegarLoop]: Abstraction has 970 states and 1604 transitions. [2022-10-15 22:21:28,820 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) [2022-10-15 22:21:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1604 transitions. [2022-10-15 22:21:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:21:28,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:28,831 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] [2022-10-15 22:21:28,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:21:28,831 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)] === [2022-10-15 22:21:28,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:28,832 INFO L85 PathProgramCache]: Analyzing trace with hash 226705733, now seen corresponding path program 1 times [2022-10-15 22:21:28,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:28,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485103191] [2022-10-15 22:21:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:28,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:28,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485103191] [2022-10-15 22:21:28,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485103191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:28,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:28,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:28,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369824878] [2022-10-15 22:21:28,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:28,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:28,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:28,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:28,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:28,935 INFO L87 Difference]: Start difference. First operand 970 states and 1604 transitions. Second operand has 3 states, 3 states have (on average 20.0) 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) [2022-10-15 22:21:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:29,098 INFO L93 Difference]: Finished difference Result 2542 states and 4241 transitions. [2022-10-15 22:21:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:29,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) 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 [2022-10-15 22:21:29,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:29,112 INFO L225 Difference]: With dead ends: 2542 [2022-10-15 22:21:29,112 INFO L226 Difference]: Without dead ends: 1647 [2022-10-15 22:21:29,114 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 [2022-10-15 22:21:29,116 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 182 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 669 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 [2022-10-15 22:21:29,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 669 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-10-15 22:21:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1615. [2022-10-15 22:21:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1581 states have (on average 1.726122707147375) internal successors, (2729), 1614 states have internal predecessors, (2729), 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) [2022-10-15 22:21:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2729 transitions. [2022-10-15 22:21:29,269 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2729 transitions. Word has length 60 [2022-10-15 22:21:29,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:29,270 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 2729 transitions. [2022-10-15 22:21:29,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) 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) [2022-10-15 22:21:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2729 transitions. [2022-10-15 22:21:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:21:29,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:29,272 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] [2022-10-15 22:21:29,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:21:29,272 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)] === [2022-10-15 22:21:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2029925932, now seen corresponding path program 1 times [2022-10-15 22:21:29,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:29,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622924439] [2022-10-15 22:21:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:29,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:29,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622924439] [2022-10-15 22:21:29,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622924439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:29,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:29,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:29,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025379578] [2022-10-15 22:21:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:29,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:29,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:29,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:29,370 INFO L87 Difference]: Start difference. First operand 1615 states and 2729 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:29,620 INFO L93 Difference]: Finished difference Result 3992 states and 6758 transitions. [2022-10-15 22:21:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:29,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:21:29,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:29,635 INFO L225 Difference]: With dead ends: 3992 [2022-10-15 22:21:29,635 INFO L226 Difference]: Without dead ends: 2452 [2022-10-15 22:21:29,638 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 [2022-10-15 22:21:29,639 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 184 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 543 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 [2022-10-15 22:21:29,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 543 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:21:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2022-10-15 22:21:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2411. [2022-10-15 22:21:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2377 states have (on average 1.7223390828775769) internal successors, (4094), 2410 states have internal predecessors, (4094), 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) [2022-10-15 22:21:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 4094 transitions. [2022-10-15 22:21:29,836 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 4094 transitions. Word has length 63 [2022-10-15 22:21:29,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:29,837 INFO L495 AbstractCegarLoop]: Abstraction has 2411 states and 4094 transitions. [2022-10-15 22:21:29,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 4094 transitions. [2022-10-15 22:21:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:21:29,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:29,839 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] [2022-10-15 22:21:29,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:21:29,839 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)] === [2022-10-15 22:21:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:29,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1958079443, now seen corresponding path program 1 times [2022-10-15 22:21:29,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:29,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438403121] [2022-10-15 22:21:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:30,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:30,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438403121] [2022-10-15 22:21:30,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438403121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:30,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:30,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:30,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688333374] [2022-10-15 22:21:30,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:30,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:30,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:30,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:30,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:30,023 INFO L87 Difference]: Start difference. First operand 2411 states and 4094 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) [2022-10-15 22:21:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:30,542 INFO L93 Difference]: Finished difference Result 5548 states and 9494 transitions. [2022-10-15 22:21:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:30,543 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 [2022-10-15 22:21:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:30,576 INFO L225 Difference]: With dead ends: 5548 [2022-10-15 22:21:30,576 INFO L226 Difference]: Without dead ends: 5545 [2022-10-15 22:21:30,579 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 [2022-10-15 22:21:30,580 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 628 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:30,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 873 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2022-10-15 22:21:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 4451. [2022-10-15 22:21:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 4417 states have (on average 1.7174552863934798) internal successors, (7586), 4450 states have internal predecessors, (7586), 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) [2022-10-15 22:21:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 7586 transitions. [2022-10-15 22:21:30,977 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 7586 transitions. Word has length 65 [2022-10-15 22:21:30,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:30,978 INFO L495 AbstractCegarLoop]: Abstraction has 4451 states and 7586 transitions. [2022-10-15 22:21:30,978 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) [2022-10-15 22:21:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 7586 transitions. [2022-10-15 22:21:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:21:30,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:30,979 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] [2022-10-15 22:21:30,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:21:30,980 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)] === [2022-10-15 22:21:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:30,981 INFO L85 PathProgramCache]: Analyzing trace with hash 570920848, now seen corresponding path program 1 times [2022-10-15 22:21:30,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:30,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296534933] [2022-10-15 22:21:30,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:30,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:31,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:31,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296534933] [2022-10-15 22:21:31,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296534933] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:31,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:31,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712914970] [2022-10-15 22:21:31,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:31,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:31,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:31,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:31,089 INFO L87 Difference]: Start difference. First operand 4451 states and 7586 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) [2022-10-15 22:21:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:31,653 INFO L93 Difference]: Finished difference Result 5514 states and 9422 transitions. [2022-10-15 22:21:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:31,654 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 [2022-10-15 22:21:31,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:31,684 INFO L225 Difference]: With dead ends: 5514 [2022-10-15 22:21:31,685 INFO L226 Difference]: Without dead ends: 5511 [2022-10-15 22:21:31,687 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 [2022-10-15 22:21:31,688 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 621 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:31,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 539 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2022-10-15 22:21:32,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 5483. [2022-10-15 22:21:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5449 states have (on average 1.707102220590934) internal successors, (9302), 5482 states have internal predecessors, (9302), 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) [2022-10-15 22:21:32,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 9302 transitions. [2022-10-15 22:21:32,158 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 9302 transitions. Word has length 66 [2022-10-15 22:21:32,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:32,159 INFO L495 AbstractCegarLoop]: Abstraction has 5483 states and 9302 transitions. [2022-10-15 22:21:32,159 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) [2022-10-15 22:21:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 9302 transitions. [2022-10-15 22:21:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:21:32,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:32,160 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] [2022-10-15 22:21:32,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:21:32,168 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)] === [2022-10-15 22:21:32,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:32,170 INFO L85 PathProgramCache]: Analyzing trace with hash 518677365, now seen corresponding path program 1 times [2022-10-15 22:21:32,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:32,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682104796] [2022-10-15 22:21:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:32,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:32,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682104796] [2022-10-15 22:21:32,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682104796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:32,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:32,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:32,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253361550] [2022-10-15 22:21:32,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:32,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:32,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:32,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:32,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:32,339 INFO L87 Difference]: Start difference. First operand 5483 states and 9302 transitions. Second operand has 5 states, 4 states have (on average 16.75) 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) [2022-10-15 22:21:33,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:33,706 INFO L93 Difference]: Finished difference Result 17555 states and 29807 transitions. [2022-10-15 22:21:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:33,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) 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 [2022-10-15 22:21:33,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:33,764 INFO L225 Difference]: With dead ends: 17555 [2022-10-15 22:21:33,764 INFO L226 Difference]: Without dead ends: 12163 [2022-10-15 22:21:33,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:21:33,776 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1379 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:33,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 1776 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12163 states. [2022-10-15 22:21:34,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12163 to 9965. [2022-10-15 22:21:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9965 states, 9931 states have (on average 1.6861343268553015) internal successors, (16745), 9964 states have internal predecessors, (16745), 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) [2022-10-15 22:21:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9965 states to 9965 states and 16745 transitions. [2022-10-15 22:21:34,806 INFO L78 Accepts]: Start accepts. Automaton has 9965 states and 16745 transitions. Word has length 67 [2022-10-15 22:21:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:34,807 INFO L495 AbstractCegarLoop]: Abstraction has 9965 states and 16745 transitions. [2022-10-15 22:21:34,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) 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) [2022-10-15 22:21:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 9965 states and 16745 transitions. [2022-10-15 22:21:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:21:34,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:34,808 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] [2022-10-15 22:21:34,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:21:34,809 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)] === [2022-10-15 22:21:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:34,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1100870606, now seen corresponding path program 1 times [2022-10-15 22:21:34,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:34,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961945212] [2022-10-15 22:21:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:34,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:34,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:34,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961945212] [2022-10-15 22:21:34,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961945212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:34,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:34,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574760958] [2022-10-15 22:21:34,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:34,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:34,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:34,936 INFO L87 Difference]: Start difference. First operand 9965 states and 16745 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 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) [2022-10-15 22:21:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:36,215 INFO L93 Difference]: Finished difference Result 13070 states and 22019 transitions. [2022-10-15 22:21:36,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:36,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 [2022-10-15 22:21:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:36,256 INFO L225 Difference]: With dead ends: 13070 [2022-10-15 22:21:36,256 INFO L226 Difference]: Without dead ends: 13067 [2022-10-15 22:21:36,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:21:36,262 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1270 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:36,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 1019 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13067 states. [2022-10-15 22:21:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13067 to 12989. [2022-10-15 22:21:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12989 states, 12955 states have (on average 1.6746429949826322) internal successors, (21695), 12988 states have internal predecessors, (21695), 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) [2022-10-15 22:21:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12989 states to 12989 states and 21695 transitions. [2022-10-15 22:21:37,329 INFO L78 Accepts]: Start accepts. Automaton has 12989 states and 21695 transitions. Word has length 68 [2022-10-15 22:21:37,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:37,329 INFO L495 AbstractCegarLoop]: Abstraction has 12989 states and 21695 transitions. [2022-10-15 22:21:37,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 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) [2022-10-15 22:21:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12989 states and 21695 transitions. [2022-10-15 22:21:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:21:37,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:37,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:37,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:21:37,332 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)] === [2022-10-15 22:21:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1374689036, now seen corresponding path program 1 times [2022-10-15 22:21:37,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:37,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114742171] [2022-10-15 22:21:37,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:37,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:37,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:37,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114742171] [2022-10-15 22:21:37,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114742171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:37,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:37,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:37,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141714468] [2022-10-15 22:21:37,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:37,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:37,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:37,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:37,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:37,434 INFO L87 Difference]: Start difference. First operand 12989 states and 21695 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:39,035 INFO L93 Difference]: Finished difference Result 34737 states and 58049 transitions. [2022-10-15 22:21:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:39,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:21:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:39,100 INFO L225 Difference]: With dead ends: 34737 [2022-10-15 22:21:39,100 INFO L226 Difference]: Without dead ends: 21839 [2022-10-15 22:21:39,120 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 [2022-10-15 22:21:39,122 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 613 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:39,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 761 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21839 states. [2022-10-15 22:21:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21839 to 18650. [2022-10-15 22:21:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18650 states, 18616 states have (on average 1.662387193811775) internal successors, (30947), 18649 states have internal predecessors, (30947), 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) [2022-10-15 22:21:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18650 states to 18650 states and 30947 transitions. [2022-10-15 22:21:40,624 INFO L78 Accepts]: Start accepts. Automaton has 18650 states and 30947 transitions. Word has length 70 [2022-10-15 22:21:40,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:40,625 INFO L495 AbstractCegarLoop]: Abstraction has 18650 states and 30947 transitions. [2022-10-15 22:21:40,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18650 states and 30947 transitions. [2022-10-15 22:21:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:21:40,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:40,633 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] [2022-10-15 22:21:40,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:21:40,634 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)] === [2022-10-15 22:21:40,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 334313114, now seen corresponding path program 1 times [2022-10-15 22:21:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:40,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074847833] [2022-10-15 22:21:40,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:40,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:40,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074847833] [2022-10-15 22:21:40,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074847833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:40,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:40,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:40,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520264627] [2022-10-15 22:21:40,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:40,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:40,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:40,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:40,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:40,759 INFO L87 Difference]: Start difference. First operand 18650 states and 30947 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) [2022-10-15 22:21:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:42,243 INFO L93 Difference]: Finished difference Result 26477 states and 44333 transitions. [2022-10-15 22:21:42,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:42,244 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 [2022-10-15 22:21:42,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:42,313 INFO L225 Difference]: With dead ends: 26477 [2022-10-15 22:21:42,313 INFO L226 Difference]: Without dead ends: 26476 [2022-10-15 22:21:42,322 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 [2022-10-15 22:21:42,323 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 606 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:42,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 517 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26476 states. [2022-10-15 22:21:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26476 to 26399. [2022-10-15 22:21:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26399 states, 26365 states have (on average 1.6697894936468802) internal successors, (44024), 26398 states have internal predecessors, (44024), 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) [2022-10-15 22:21:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26399 states to 26399 states and 44024 transitions. [2022-10-15 22:21:44,301 INFO L78 Accepts]: Start accepts. Automaton has 26399 states and 44024 transitions. Word has length 71 [2022-10-15 22:21:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:44,302 INFO L495 AbstractCegarLoop]: Abstraction has 26399 states and 44024 transitions. [2022-10-15 22:21:44,302 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) [2022-10-15 22:21:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 26399 states and 44024 transitions. [2022-10-15 22:21:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:21:44,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:44,303 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] [2022-10-15 22:21:44,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:21:44,304 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:21:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:44,304 INFO L85 PathProgramCache]: Analyzing trace with hash -847635908, now seen corresponding path program 1 times [2022-10-15 22:21:44,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:44,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141247808] [2022-10-15 22:21:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:44,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:44,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:44,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141247808] [2022-10-15 22:21:44,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141247808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:44,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:44,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:44,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806496751] [2022-10-15 22:21:44,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:44,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:44,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:44,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:44,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:44,421 INFO L87 Difference]: Start difference. First operand 26399 states and 44024 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-10-15 22:21:47,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:47,196 INFO L93 Difference]: Finished difference Result 69289 states and 115963 transitions. [2022-10-15 22:21:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:47,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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 73 [2022-10-15 22:21:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:47,341 INFO L225 Difference]: With dead ends: 69289 [2022-10-15 22:21:47,341 INFO L226 Difference]: Without dead ends: 42981 [2022-10-15 22:21:47,405 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 [2022-10-15 22:21:47,407 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 619 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:47,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 787 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:47,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42981 states. [2022-10-15 22:21:50,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42981 to 36680. [2022-10-15 22:21:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36680 states, 36646 states have (on average 1.6617366151831032) internal successors, (60896), 36679 states have internal predecessors, (60896), 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) [2022-10-15 22:21:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36680 states to 36680 states and 60896 transitions. [2022-10-15 22:21:50,436 INFO L78 Accepts]: Start accepts. Automaton has 36680 states and 60896 transitions. Word has length 73 [2022-10-15 22:21:50,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:50,436 INFO L495 AbstractCegarLoop]: Abstraction has 36680 states and 60896 transitions. [2022-10-15 22:21:50,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-10-15 22:21:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36680 states and 60896 transitions. [2022-10-15 22:21:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 22:21:50,438 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:50,438 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] [2022-10-15 22:21:50,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:21:50,438 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:21:50,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:50,439 INFO L85 PathProgramCache]: Analyzing trace with hash -506909095, now seen corresponding path program 1 times [2022-10-15 22:21:50,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:50,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363491528] [2022-10-15 22:21:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:50,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:50,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363491528] [2022-10-15 22:21:50,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363491528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:50,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:50,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:50,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728061109] [2022-10-15 22:21:50,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:50,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:50,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:50,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:50,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:50,576 INFO L87 Difference]: Start difference. First operand 36680 states and 60896 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-10-15 22:21:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:54,337 INFO L93 Difference]: Finished difference Result 53465 states and 89252 transitions. [2022-10-15 22:21:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:54,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2022-10-15 22:21:54,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:54,518 INFO L225 Difference]: With dead ends: 53465 [2022-10-15 22:21:54,518 INFO L226 Difference]: Without dead ends: 53464 [2022-10-15 22:21:54,541 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 [2022-10-15 22:21:54,544 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 619 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:54,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 516 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:54,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53464 states. [2022-10-15 22:21:58,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53464 to 53333. [2022-10-15 22:21:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53333 states, 53299 states have (on average 1.6627516463723522) internal successors, (88623), 53332 states have internal predecessors, (88623), 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) [2022-10-15 22:21:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53333 states to 53333 states and 88623 transitions. [2022-10-15 22:21:59,108 INFO L78 Accepts]: Start accepts. Automaton has 53333 states and 88623 transitions. Word has length 74 [2022-10-15 22:21:59,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:59,108 INFO L495 AbstractCegarLoop]: Abstraction has 53333 states and 88623 transitions. [2022-10-15 22:21:59,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-10-15 22:21:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 53333 states and 88623 transitions. [2022-10-15 22:21:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:21:59,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:59,109 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] [2022-10-15 22:21:59,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:21:59,110 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:21:59,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1808326885, now seen corresponding path program 1 times [2022-10-15 22:21:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:59,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731316192] [2022-10-15 22:21:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:59,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:59,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731316192] [2022-10-15 22:21:59,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731316192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:59,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:59,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517047395] [2022-10-15 22:21:59,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:59,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:59,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:59,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:59,233 INFO L87 Difference]: Start difference. First operand 53333 states and 88623 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-10-15 22:22:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:07,582 INFO L93 Difference]: Finished difference Result 171333 states and 285533 transitions. [2022-10-15 22:22:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:07,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 76 [2022-10-15 22:22:07,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:07,858 INFO L225 Difference]: With dead ends: 171333 [2022-10-15 22:22:07,858 INFO L226 Difference]: Without dead ends: 118091 [2022-10-15 22:22:08,100 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 [2022-10-15 22:22:08,101 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 615 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:08,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 883 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:22:08,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118091 states. [2022-10-15 22:22:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118091 to 85486. [2022-10-15 22:22:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85486 states, 85452 states have (on average 1.653384356129757) internal successors, (141285), 85485 states have internal predecessors, (141285), 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) [2022-10-15 22:22:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85486 states to 85486 states and 141285 transitions. [2022-10-15 22:22:14,810 INFO L78 Accepts]: Start accepts. Automaton has 85486 states and 141285 transitions. Word has length 76 [2022-10-15 22:22:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:14,818 INFO L495 AbstractCegarLoop]: Abstraction has 85486 states and 141285 transitions. [2022-10-15 22:22:14,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-10-15 22:22:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 85486 states and 141285 transitions. [2022-10-15 22:22:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:22:14,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:14,823 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] [2022-10-15 22:22:14,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:22:14,824 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:22:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:14,825 INFO L85 PathProgramCache]: Analyzing trace with hash -223558303, now seen corresponding path program 1 times [2022-10-15 22:22:14,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:14,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072425004] [2022-10-15 22:22:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:14,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:14,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:14,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072425004] [2022-10-15 22:22:14,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072425004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:14,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:14,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:14,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585916013] [2022-10-15 22:22:14,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:14,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:14,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:14,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:14,979 INFO L87 Difference]: Start difference. First operand 85486 states and 141285 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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)