/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.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:22:25,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:22:25,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:22:25,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:22:25,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:22:25,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:22:26,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:22:26,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:22:26,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:22:26,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:22:26,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:22:26,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:22:26,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:22:26,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:22:26,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:22:26,074 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 22:22:26,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:22:26,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:22:26,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:22:26,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:22:26,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:22:26,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:22:26,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:22:26,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:22:26,120 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:22:26,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:22:26,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:22:26,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:22:26,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:22:26,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:22:26,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:22:26,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:22:26,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:22:26,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:22:26,124 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:22:26,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:22:26,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:22:26,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:22:26,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:22:26,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:22:26,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:22:26,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:22:26,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:26,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:22:26,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:22:26,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:22:26,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:22:26,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:22:26,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:22:26,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:22:26,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:22:26,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:22:26,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:22:26,599 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:22:26,600 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:22:26,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:26,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ed97917/4677bc53e18847f6bfb76c0efe79b0ce/FLAG9bd7ac92f [2022-10-15 22:22:27,429 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:22:27,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:27,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ed97917/4677bc53e18847f6bfb76c0efe79b0ce/FLAG9bd7ac92f [2022-10-15 22:22:27,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ed97917/4677bc53e18847f6bfb76c0efe79b0ce [2022-10-15 22:22:27,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:22:27,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:22:27,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:27,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:22:27,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:22:27,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:27,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca9005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:27, skipping insertion in model container [2022-10-15 22:22:27,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:22:27" (1/1) ... [2022-10-15 22:22:27,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:22:27,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:22:28,275 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.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15864,15877] [2022-10-15 22:22:28,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:28,379 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:22:28,505 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.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15864,15877] [2022-10-15 22:22:28,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:22:28,641 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:22:28,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28 WrapperNode [2022-10-15 22:22:28,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:22:28,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:28,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:22:28,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:22:28,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,788 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1412 [2022-10-15 22:22:28,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:22:28,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:22:28,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:22:28,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:22:28,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:22:28,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:22:28,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:22:28,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:22:28,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (1/1) ... [2022-10-15 22:22:28,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:22:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:22:28,909 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 22:22:28,955 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 22:22:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:22:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:22:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:22:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:22:29,221 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:22:29,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:22:30,625 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:22:30,640 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:22:30,640 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:22:30,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:30 BoogieIcfgContainer [2022-10-15 22:22:30,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:22:30,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:22:30,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:22:30,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:22:30,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:22:27" (1/3) ... [2022-10-15 22:22:30,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28769500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:30, skipping insertion in model container [2022-10-15 22:22:30,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:22:28" (2/3) ... [2022-10-15 22:22:30,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28769500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:22:30, skipping insertion in model container [2022-10-15 22:22:30,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:22:30" (3/3) ... [2022-10-15 22:22:30,654 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:22:30,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:22:30,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-15 22:22:30,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:22:30,757 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;@7a9f7aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:22:30,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-15 22:22:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 579 states, 458 states have (on average 1.834061135371179) internal successors, (840), 578 states have internal predecessors, (840), 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 22:22:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:22:30,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:30,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:30,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:30,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1242295554, now seen corresponding path program 1 times [2022-10-15 22:22:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:30,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234648349] [2022-10-15 22:22:30,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:31,395 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 22:22:31,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:31,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234648349] [2022-10-15 22:22:31,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234648349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:31,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:31,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:31,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166178061] [2022-10-15 22:22:31,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:31,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:31,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:31,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:31,447 INFO L87 Difference]: Start difference. First operand has 579 states, 458 states have (on average 1.834061135371179) internal successors, (840), 578 states have internal predecessors, (840), 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, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:31,853 INFO L93 Difference]: Finished difference Result 809 states and 1174 transitions. [2022-10-15 22:22:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:31,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:22:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:31,887 INFO L225 Difference]: With dead ends: 809 [2022-10-15 22:22:31,888 INFO L226 Difference]: Without dead ends: 771 [2022-10-15 22:22:31,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:31,900 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 746 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 896 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:22:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-10-15 22:22:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 733. [2022-10-15 22:22:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 637 states have (on average 1.596546310832025) internal successors, (1017), 732 states have internal predecessors, (1017), 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 22:22:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1017 transitions. [2022-10-15 22:22:32,019 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1017 transitions. Word has length 61 [2022-10-15 22:22:32,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:32,020 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 1017 transitions. [2022-10-15 22:22:32,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1017 transitions. [2022-10-15 22:22:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:22:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:32,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:32,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:22:32,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:32,025 INFO L85 PathProgramCache]: Analyzing trace with hash -143543214, now seen corresponding path program 1 times [2022-10-15 22:22:32,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:32,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514587700] [2022-10-15 22:22:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:32,277 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 22:22:32,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:32,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514587700] [2022-10-15 22:22:32,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514587700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:32,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:32,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:22:32,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873909141] [2022-10-15 22:22:32,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:32,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:22:32,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:22:32,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:32,285 INFO L87 Difference]: Start difference. First operand 733 states and 1017 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:32,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:32,575 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2022-10-15 22:22:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:22:32,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:22:32,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:32,581 INFO L225 Difference]: With dead ends: 776 [2022-10-15 22:22:32,581 INFO L226 Difference]: Without dead ends: 765 [2022-10-15 22:22:32,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:22:32,584 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 633 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:32,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 805 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:32,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-10-15 22:22:32,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 727. [2022-10-15 22:22:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 637 states have (on average 1.5792778649921506) internal successors, (1006), 726 states have internal predecessors, (1006), 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 22:22:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1006 transitions. [2022-10-15 22:22:32,636 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1006 transitions. Word has length 62 [2022-10-15 22:22:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:32,637 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1006 transitions. [2022-10-15 22:22:32,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1006 transitions. [2022-10-15 22:22:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:22:32,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:32,640 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 22:22:32,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:22:32,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:32,641 INFO L85 PathProgramCache]: Analyzing trace with hash -154872060, now seen corresponding path program 1 times [2022-10-15 22:22:32,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:32,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869373381] [2022-10-15 22:22:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:32,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:32,807 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 22:22:32,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:32,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869373381] [2022-10-15 22:22:32,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869373381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:32,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:32,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:32,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50728991] [2022-10-15 22:22:32,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:32,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:32,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:32,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:32,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:32,812 INFO L87 Difference]: Start difference. First operand 727 states and 1006 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:33,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:33,458 INFO L93 Difference]: Finished difference Result 1724 states and 2400 transitions. [2022-10-15 22:22:33,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:33,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:33,469 INFO L225 Difference]: With dead ends: 1724 [2022-10-15 22:22:33,470 INFO L226 Difference]: Without dead ends: 1425 [2022-10-15 22:22:33,476 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 22:22:33,483 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 2556 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:33,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 1910 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2022-10-15 22:22:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 988. [2022-10-15 22:22:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 904 states have (on average 1.5896017699115044) internal successors, (1437), 987 states have internal predecessors, (1437), 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 22:22:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1437 transitions. [2022-10-15 22:22:33,570 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1437 transitions. Word has length 63 [2022-10-15 22:22:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:33,571 INFO L495 AbstractCegarLoop]: Abstraction has 988 states and 1437 transitions. [2022-10-15 22:22:33,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 22:22:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1437 transitions. [2022-10-15 22:22:33,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:22:33,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:33,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:33,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:22:33,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:33,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -506066284, now seen corresponding path program 1 times [2022-10-15 22:22:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:33,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350691585] [2022-10-15 22:22:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:33,790 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 22:22:33,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:33,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350691585] [2022-10-15 22:22:33,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350691585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:33,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:33,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847773171] [2022-10-15 22:22:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:33,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:33,797 INFO L87 Difference]: Start difference. First operand 988 states and 1437 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:34,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:34,321 INFO L93 Difference]: Finished difference Result 1637 states and 2396 transitions. [2022-10-15 22:22:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:22:34,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:22:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:34,333 INFO L225 Difference]: With dead ends: 1637 [2022-10-15 22:22:34,333 INFO L226 Difference]: Without dead ends: 1621 [2022-10-15 22:22:34,334 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 22:22:34,336 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 3043 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:34,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 1185 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:22:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2022-10-15 22:22:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1541. [2022-10-15 22:22:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1463 states have (on average 1.608339029391661) internal successors, (2353), 1540 states have internal predecessors, (2353), 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 22:22:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2353 transitions. [2022-10-15 22:22:34,477 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2353 transitions. Word has length 64 [2022-10-15 22:22:34,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:34,478 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2353 transitions. [2022-10-15 22:22:34,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2353 transitions. [2022-10-15 22:22:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:22:34,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:34,480 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 22:22:34,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:22:34,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash -998385418, now seen corresponding path program 1 times [2022-10-15 22:22:34,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:34,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959368390] [2022-10-15 22:22:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:34,594 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 22:22:34,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:34,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959368390] [2022-10-15 22:22:34,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959368390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:34,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:34,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:34,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976934434] [2022-10-15 22:22:34,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:34,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:34,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:34,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:34,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:34,598 INFO L87 Difference]: Start difference. First operand 1541 states and 2353 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 22:22:34,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:34,952 INFO L93 Difference]: Finished difference Result 2020 states and 3079 transitions. [2022-10-15 22:22:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:34,952 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 22:22:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:34,964 INFO L225 Difference]: With dead ends: 2020 [2022-10-15 22:22:34,964 INFO L226 Difference]: Without dead ends: 2017 [2022-10-15 22:22:34,965 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 22:22:34,966 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 909 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:34,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1141 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-10-15 22:22:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1538. [2022-10-15 22:22:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1463 states have (on average 1.6062884483937117) internal successors, (2350), 1537 states have internal predecessors, (2350), 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 22:22:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2350 transitions. [2022-10-15 22:22:35,108 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2350 transitions. Word has length 66 [2022-10-15 22:22:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:35,109 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2350 transitions. [2022-10-15 22:22:35,109 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 22:22:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2350 transitions. [2022-10-15 22:22:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:22:35,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:35,110 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 22:22:35,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:22:35,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash -885176599, now seen corresponding path program 1 times [2022-10-15 22:22:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:35,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921045804] [2022-10-15 22:22:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:35,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:35,216 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 22:22:35,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:35,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921045804] [2022-10-15 22:22:35,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921045804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:35,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:35,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781949116] [2022-10-15 22:22:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:35,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:35,219 INFO L87 Difference]: Start difference. First operand 1538 states and 2350 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:35,646 INFO L93 Difference]: Finished difference Result 2384 states and 3698 transitions. [2022-10-15 22:22:35,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:35,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:22:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:35,680 INFO L225 Difference]: With dead ends: 2384 [2022-10-15 22:22:35,680 INFO L226 Difference]: Without dead ends: 2379 [2022-10-15 22:22:35,682 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 22:22:35,685 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1509 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:35,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 850 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2022-10-15 22:22:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2331. [2022-10-15 22:22:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 2259 states have (on average 1.6250553342186809) internal successors, (3671), 2330 states have internal predecessors, (3671), 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 22:22:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3671 transitions. [2022-10-15 22:22:35,896 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3671 transitions. Word has length 67 [2022-10-15 22:22:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:35,897 INFO L495 AbstractCegarLoop]: Abstraction has 2331 states and 3671 transitions. [2022-10-15 22:22:35,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3671 transitions. [2022-10-15 22:22:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:22:35,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:35,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:35,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:22:35,899 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash -251177749, now seen corresponding path program 1 times [2022-10-15 22:22:35,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:35,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370076520] [2022-10-15 22:22:35,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:36,025 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 22:22:36,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:36,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370076520] [2022-10-15 22:22:36,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370076520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:36,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:36,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:36,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486336145] [2022-10-15 22:22:36,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:36,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:36,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:36,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:36,028 INFO L87 Difference]: Start difference. First operand 2331 states and 3671 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:36,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:36,482 INFO L93 Difference]: Finished difference Result 3106 states and 4906 transitions. [2022-10-15 22:22:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:36,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 22:22:36,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:36,502 INFO L225 Difference]: With dead ends: 3106 [2022-10-15 22:22:36,502 INFO L226 Difference]: Without dead ends: 3103 [2022-10-15 22:22:36,504 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 22:22:36,505 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 915 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:36,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1108 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:36,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2022-10-15 22:22:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 2328. [2022-10-15 22:22:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2328 states, 2259 states have (on average 1.623727312970341) internal successors, (3668), 2327 states have internal predecessors, (3668), 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 22:22:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 3668 transitions. [2022-10-15 22:22:36,695 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 3668 transitions. Word has length 69 [2022-10-15 22:22:36,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:36,695 INFO L495 AbstractCegarLoop]: Abstraction has 2328 states and 3668 transitions. [2022-10-15 22:22:36,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 3668 transitions. [2022-10-15 22:22:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:22:36,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:36,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:36,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:22:36,697 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash 803424667, now seen corresponding path program 1 times [2022-10-15 22:22:36,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:36,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120940124] [2022-10-15 22:22:36,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:36,792 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 22:22:36,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:36,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120940124] [2022-10-15 22:22:36,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120940124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:36,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:36,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:36,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587380409] [2022-10-15 22:22:36,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:36,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:36,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:36,795 INFO L87 Difference]: Start difference. First operand 2328 states and 3668 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 22:22:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:37,315 INFO L93 Difference]: Finished difference Result 3830 states and 6120 transitions. [2022-10-15 22:22:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:37,316 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 22:22:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:37,337 INFO L225 Difference]: With dead ends: 3830 [2022-10-15 22:22:37,338 INFO L226 Difference]: Without dead ends: 3825 [2022-10-15 22:22:37,342 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 22:22:37,342 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1471 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:37,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 829 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-10-15 22:22:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3771. [2022-10-15 22:22:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3771 states, 3705 states have (on average 1.6399460188933874) internal successors, (6076), 3770 states have internal predecessors, (6076), 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 22:22:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 6076 transitions. [2022-10-15 22:22:37,684 INFO L78 Accepts]: Start accepts. Automaton has 3771 states and 6076 transitions. Word has length 70 [2022-10-15 22:22:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:37,684 INFO L495 AbstractCegarLoop]: Abstraction has 3771 states and 6076 transitions. [2022-10-15 22:22:37,685 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 22:22:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3771 states and 6076 transitions. [2022-10-15 22:22:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:22:37,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:37,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:37,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:22:37,697 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1002998787, now seen corresponding path program 1 times [2022-10-15 22:22:37,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:37,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041754269] [2022-10-15 22:22:37,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:37,832 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 22:22:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041754269] [2022-10-15 22:22:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041754269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:37,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:37,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549028] [2022-10-15 22:22:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:37,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:37,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:37,836 INFO L87 Difference]: Start difference. First operand 3771 states and 6076 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:38,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:38,586 INFO L93 Difference]: Finished difference Result 6907 states and 11252 transitions. [2022-10-15 22:22:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:38,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:22:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:38,627 INFO L225 Difference]: With dead ends: 6907 [2022-10-15 22:22:38,627 INFO L226 Difference]: Without dead ends: 6904 [2022-10-15 22:22:38,632 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 22:22:38,635 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 916 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:38,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1570 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6904 states. [2022-10-15 22:22:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6904 to 3768. [2022-10-15 22:22:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3705 states have (on average 1.639136302294197) internal successors, (6073), 3767 states have internal predecessors, (6073), 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 22:22:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 6073 transitions. [2022-10-15 22:22:39,011 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 6073 transitions. Word has length 72 [2022-10-15 22:22:39,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:39,011 INFO L495 AbstractCegarLoop]: Abstraction has 3768 states and 6073 transitions. [2022-10-15 22:22:39,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 6073 transitions. [2022-10-15 22:22:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:22:39,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:39,013 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 22:22:39,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:22:39,013 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:39,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1028191024, now seen corresponding path program 1 times [2022-10-15 22:22:39,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:39,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662045527] [2022-10-15 22:22:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:39,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:39,110 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 22:22:39,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:39,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662045527] [2022-10-15 22:22:39,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662045527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:39,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:39,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:39,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964354970] [2022-10-15 22:22:39,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:39,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:39,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:39,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:39,113 INFO L87 Difference]: Start difference. First operand 3768 states and 6073 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 22:22:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:39,891 INFO L93 Difference]: Finished difference Result 7024 states and 11449 transitions. [2022-10-15 22:22:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:39,892 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 22:22:39,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:39,934 INFO L225 Difference]: With dead ends: 7024 [2022-10-15 22:22:39,935 INFO L226 Difference]: Without dead ends: 7019 [2022-10-15 22:22:39,937 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 22:22:39,938 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1218 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:39,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1108 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7019 states. [2022-10-15 22:22:40,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7019 to 6949. [2022-10-15 22:22:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 6889 states have (on average 1.6495862969952098) internal successors, (11364), 6948 states have internal predecessors, (11364), 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 22:22:40,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 11364 transitions. [2022-10-15 22:22:40,534 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 11364 transitions. Word has length 73 [2022-10-15 22:22:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:40,535 INFO L495 AbstractCegarLoop]: Abstraction has 6949 states and 11364 transitions. [2022-10-15 22:22:40,535 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 22:22:40,535 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 11364 transitions. [2022-10-15 22:22:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:22:40,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:40,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:40,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:22:40,537 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:40,538 INFO L85 PathProgramCache]: Analyzing trace with hash -711618082, now seen corresponding path program 1 times [2022-10-15 22:22:40,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:40,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570886943] [2022-10-15 22:22:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:40,642 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 22:22:40,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:40,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570886943] [2022-10-15 22:22:40,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570886943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:40,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:40,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169116258] [2022-10-15 22:22:40,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:40,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:40,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:40,645 INFO L87 Difference]: Start difference. First operand 6949 states and 11364 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:42,403 INFO L93 Difference]: Finished difference Result 18603 states and 30692 transitions. [2022-10-15 22:22:42,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:22:42,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:22:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:42,470 INFO L225 Difference]: With dead ends: 18603 [2022-10-15 22:22:42,470 INFO L226 Difference]: Without dead ends: 18596 [2022-10-15 22:22:42,481 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 22:22:42,482 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 1157 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:42,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1953 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18596 states. [2022-10-15 22:22:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18596 to 12730. [2022-10-15 22:22:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12730 states, 12673 states have (on average 1.6511481101554486) internal successors, (20925), 12729 states have internal predecessors, (20925), 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 22:22:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12730 states to 12730 states and 20925 transitions. [2022-10-15 22:22:43,755 INFO L78 Accepts]: Start accepts. Automaton has 12730 states and 20925 transitions. Word has length 83 [2022-10-15 22:22:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:43,756 INFO L495 AbstractCegarLoop]: Abstraction has 12730 states and 20925 transitions. [2022-10-15 22:22:43,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12730 states and 20925 transitions. [2022-10-15 22:22:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:22:43,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:43,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:43,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:22:43,758 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:43,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -585323730, now seen corresponding path program 1 times [2022-10-15 22:22:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:43,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378381359] [2022-10-15 22:22:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:43,864 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 22:22:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:43,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378381359] [2022-10-15 22:22:43,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378381359] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:43,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:43,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187564848] [2022-10-15 22:22:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:43,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:43,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:43,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:43,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:43,867 INFO L87 Difference]: Start difference. First operand 12730 states and 20925 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:45,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:45,474 INFO L93 Difference]: Finished difference Result 19041 states and 31373 transitions. [2022-10-15 22:22:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:45,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:22:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:45,556 INFO L225 Difference]: With dead ends: 19041 [2022-10-15 22:22:45,557 INFO L226 Difference]: Without dead ends: 19034 [2022-10-15 22:22:45,570 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 22:22:45,571 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1429 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:45,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 964 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19034 states. [2022-10-15 22:22:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19034 to 18997. [2022-10-15 22:22:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18997 states, 18943 states have (on average 1.6449348044132397) internal successors, (31160), 18996 states have internal predecessors, (31160), 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 22:22:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18997 states to 18997 states and 31160 transitions. [2022-10-15 22:22:47,131 INFO L78 Accepts]: Start accepts. Automaton has 18997 states and 31160 transitions. Word has length 84 [2022-10-15 22:22:47,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:47,131 INFO L495 AbstractCegarLoop]: Abstraction has 18997 states and 31160 transitions. [2022-10-15 22:22:47,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 18997 states and 31160 transitions. [2022-10-15 22:22:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:22:47,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:47,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:47,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:22:47,134 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:47,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -965166112, now seen corresponding path program 1 times [2022-10-15 22:22:47,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:47,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419817125] [2022-10-15 22:22:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:47,297 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 22:22:47,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:47,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419817125] [2022-10-15 22:22:47,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419817125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:47,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:47,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:47,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338756215] [2022-10-15 22:22:47,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:47,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:47,300 INFO L87 Difference]: Start difference. First operand 18997 states and 31160 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 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 22:22:52,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:52,128 INFO L93 Difference]: Finished difference Result 67440 states and 110904 transitions. [2022-10-15 22:22:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:22:52,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 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 85 [2022-10-15 22:22:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:52,352 INFO L225 Difference]: With dead ends: 67440 [2022-10-15 22:22:52,353 INFO L226 Difference]: Without dead ends: 49078 [2022-10-15 22:22:52,400 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 22:22:52,401 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 1928 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 3357 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:52,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 3357 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:22:52,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49078 states. [2022-10-15 22:22:56,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49078 to 37360. [2022-10-15 22:22:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37360 states, 37309 states have (on average 1.6356107105524136) internal successors, (61023), 37359 states have internal predecessors, (61023), 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 22:22:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37360 states to 37360 states and 61023 transitions. [2022-10-15 22:22:56,353 INFO L78 Accepts]: Start accepts. Automaton has 37360 states and 61023 transitions. Word has length 85 [2022-10-15 22:22:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:56,354 INFO L495 AbstractCegarLoop]: Abstraction has 37360 states and 61023 transitions. [2022-10-15 22:22:56,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 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 22:22:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 37360 states and 61023 transitions. [2022-10-15 22:22:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:22:56,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:56,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:22:56,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:22:56,359 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:22:56,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:56,359 INFO L85 PathProgramCache]: Analyzing trace with hash 144621936, now seen corresponding path program 1 times [2022-10-15 22:22:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:56,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781136592] [2022-10-15 22:22:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:56,530 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 22:22:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:56,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781136592] [2022-10-15 22:22:56,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781136592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:56,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:56,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:22:56,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262034003] [2022-10-15 22:22:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:56,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:22:56,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:56,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:22:56,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:22:56,534 INFO L87 Difference]: Start difference. First operand 37360 states and 61023 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:23:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:01,494 INFO L93 Difference]: Finished difference Result 50001 states and 81819 transitions. [2022-10-15 22:23:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:23:01,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 86 [2022-10-15 22:23:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:01,733 INFO L225 Difference]: With dead ends: 50001 [2022-10-15 22:23:01,733 INFO L226 Difference]: Without dead ends: 49994 [2022-10-15 22:23:01,761 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 22:23:01,763 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 2276 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:01,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 1618 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:23:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49994 states. [2022-10-15 22:23:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49994 to 49901. [2022-10-15 22:23:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49901 states, 49853 states have (on average 1.6287084027039496) internal successors, (81196), 49900 states have internal predecessors, (81196), 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 22:23:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49901 states to 49901 states and 81196 transitions. [2022-10-15 22:23:06,823 INFO L78 Accepts]: Start accepts. Automaton has 49901 states and 81196 transitions. Word has length 86 [2022-10-15 22:23:06,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:06,824 INFO L495 AbstractCegarLoop]: Abstraction has 49901 states and 81196 transitions. [2022-10-15 22:23:06,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 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 22:23:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 49901 states and 81196 transitions. [2022-10-15 22:23:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-15 22:23:06,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:06,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:06,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:23:06,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:23:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1708803652, now seen corresponding path program 1 times [2022-10-15 22:23:06,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:06,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663609922] [2022-10-15 22:23:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:07,255 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 22:23:07,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:07,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663609922] [2022-10-15 22:23:07,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663609922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:07,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:07,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884753017] [2022-10-15 22:23:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:07,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:07,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:07,259 INFO L87 Difference]: Start difference. First operand 49901 states and 81196 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 22:23:15,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:15,096 INFO L93 Difference]: Finished difference Result 134208 states and 218933 transitions. [2022-10-15 22:23:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:15,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 217 [2022-10-15 22:23:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:15,671 INFO L225 Difference]: With dead ends: 134208 [2022-10-15 22:23:15,671 INFO L226 Difference]: Without dead ends: 96354 [2022-10-15 22:23:15,749 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 22:23:15,750 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 432 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:15,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1146 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:23:15,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96354 states.