/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:50:32,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:50:32,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:50:33,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:50:33,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:50:33,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:50:33,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:50:33,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:50:33,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:50:33,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:50:33,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:50:33,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:50:33,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:50:33,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:50:33,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:50:33,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:50:33,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:50:33,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:50:33,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:50:33,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:50:33,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:50:33,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:50:33,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:50:33,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:50:33,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:50:33,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:50:33,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:50:33,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:50:33,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:50:33,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:50:33,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:50:33,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:50:33,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:50:33,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:50:33,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:50:33,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:50:33,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:50:33,151 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:50:33,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:50:33,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:50:33,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:50:33,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:50:33,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:50:33,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:50:33,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:50:33,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:50:33,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:50:33,154 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:50:33,154 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:50:33,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:50:33,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:50:33,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:50:33,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:50:33,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:50:33,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:50:33,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:50:33,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:50:33,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:50:33,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:50:33,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:50:33,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:50:33,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:50:33,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:50:33,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:50:33,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:50:33,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:50:33,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:50:33,584 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:50:33,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:50:33,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766f980f0/8092196b6b984f7da8464313a76d0319/FLAGa0e740171 [2022-10-16 15:50:34,484 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:50:34,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:50:34,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766f980f0/8092196b6b984f7da8464313a76d0319/FLAGa0e740171 [2022-10-16 15:50:34,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766f980f0/8092196b6b984f7da8464313a76d0319 [2022-10-16 15:50:34,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:50:34,689 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:50:34,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:50:34,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:50:34,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:50:34,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:50:34" (1/1) ... [2022-10-16 15:50:34,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea9a17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:34, skipping insertion in model container [2022-10-16 15:50:34,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:50:34" (1/1) ... [2022-10-16 15:50:34,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:50:34,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:50:35,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31925,31938] [2022-10-16 15:50:36,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:50:36,168 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:50:36,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31925,31938] [2022-10-16 15:50:36,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:50:36,647 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:50:36,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36 WrapperNode [2022-10-16 15:50:36,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:50:36,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:50:36,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:50:36,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:50:36,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,790 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2935 [2022-10-16 15:50:36,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:50:36,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:50:36,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:50:36,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:50:36,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:50:36,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:50:36,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:50:36,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:50:36,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (1/1) ... [2022-10-16 15:50:36,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:50:36,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:50:37,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:50:37,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:50:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:50:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:50:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:50:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:50:37,267 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:50:37,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:50:39,828 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:50:39,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:50:39,879 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:50:39,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:50:39 BoogieIcfgContainer [2022-10-16 15:50:39,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:50:39,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:50:39,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:50:39,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:50:39,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:50:34" (1/3) ... [2022-10-16 15:50:39,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f1aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:50:39, skipping insertion in model container [2022-10-16 15:50:39,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:36" (2/3) ... [2022-10-16 15:50:39,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f1aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:50:39, skipping insertion in model container [2022-10-16 15:50:39,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:50:39" (3/3) ... [2022-10-16 15:50:39,894 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:50:39,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:50:39,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2022-10-16 15:50:40,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:50:40,017 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;@39423bcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:50:40,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 232 error locations. [2022-10-16 15:50:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 1190 states, 957 states have (on average 1.8411703239289445) internal successors, (1762), 1189 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:50:40,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:40,049 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] [2022-10-16 15:50:40,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:40,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:40,057 INFO L85 PathProgramCache]: Analyzing trace with hash 500002089, now seen corresponding path program 1 times [2022-10-16 15:50:40,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:40,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718441995] [2022-10-16 15:50:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:40,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:40,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718441995] [2022-10-16 15:50:40,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718441995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:40,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:40,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:40,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726241174] [2022-10-16 15:50:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:40,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:40,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:40,987 INFO L87 Difference]: Start difference. First operand has 1190 states, 957 states have (on average 1.8411703239289445) internal successors, (1762), 1189 states have internal predecessors, (1762), 0 states have call successors, (0), 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 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:41,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:41,561 INFO L93 Difference]: Finished difference Result 1521 states and 2246 transitions. [2022-10-16 15:50:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:41,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:50:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:41,600 INFO L225 Difference]: With dead ends: 1521 [2022-10-16 15:50:41,600 INFO L226 Difference]: Without dead ends: 1465 [2022-10-16 15:50:41,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:41,617 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 1593 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:41,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 1806 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:50:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-10-16 15:50:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1405. [2022-10-16 15:50:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1215 states have (on average 1.640329218106996) internal successors, (1993), 1404 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1993 transitions. [2022-10-16 15:50:41,811 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1993 transitions. Word has length 118 [2022-10-16 15:50:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:41,813 INFO L495 AbstractCegarLoop]: Abstraction has 1405 states and 1993 transitions. [2022-10-16 15:50:41,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1993 transitions. [2022-10-16 15:50:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:50:41,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:41,820 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] [2022-10-16 15:50:41,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:50:41,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:41,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:41,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1679803960, now seen corresponding path program 1 times [2022-10-16 15:50:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:41,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404113989] [2022-10-16 15:50:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:41,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:42,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:42,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404113989] [2022-10-16 15:50:42,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404113989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:42,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:42,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:42,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262969626] [2022-10-16 15:50:42,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:42,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:42,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:42,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:42,212 INFO L87 Difference]: Start difference. First operand 1405 states and 1993 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:42,602 INFO L93 Difference]: Finished difference Result 1470 states and 1993 transitions. [2022-10-16 15:50:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:42,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 15:50:42,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:42,620 INFO L225 Difference]: With dead ends: 1470 [2022-10-16 15:50:42,621 INFO L226 Difference]: Without dead ends: 1455 [2022-10-16 15:50:42,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:42,631 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 1406 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:42,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1649 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2022-10-16 15:50:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1395. [2022-10-16 15:50:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1215 states have (on average 1.6279835390946502) internal successors, (1978), 1394 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1978 transitions. [2022-10-16 15:50:42,741 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1978 transitions. Word has length 119 [2022-10-16 15:50:42,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:42,746 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1978 transitions. [2022-10-16 15:50:42,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1978 transitions. [2022-10-16 15:50:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:50:42,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:42,759 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] [2022-10-16 15:50:42,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:50:42,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:42,761 INFO L85 PathProgramCache]: Analyzing trace with hash -534314741, now seen corresponding path program 1 times [2022-10-16 15:50:42,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:42,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438240121] [2022-10-16 15:50:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:42,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:43,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:43,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438240121] [2022-10-16 15:50:43,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438240121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:43,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:43,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092918585] [2022-10-16 15:50:43,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:43,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:43,183 INFO L87 Difference]: Start difference. First operand 1395 states and 1978 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:43,620 INFO L93 Difference]: Finished difference Result 1684 states and 2378 transitions. [2022-10-16 15:50:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:43,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:50:43,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:43,630 INFO L225 Difference]: With dead ends: 1684 [2022-10-16 15:50:43,630 INFO L226 Difference]: Without dead ends: 1669 [2022-10-16 15:50:43,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:43,634 INFO L413 NwaCegarLoop]: 1657 mSDtfsCounter, 1383 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:43,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1999 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2022-10-16 15:50:43,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1619. [2022-10-16 15:50:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1449 states have (on average 1.6307798481711526) internal successors, (2363), 1618 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2363 transitions. [2022-10-16 15:50:43,734 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2363 transitions. Word has length 120 [2022-10-16 15:50:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:43,735 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2363 transitions. [2022-10-16 15:50:43,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2363 transitions. [2022-10-16 15:50:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:50:43,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:43,739 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] [2022-10-16 15:50:43,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:50:43,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:43,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:43,743 INFO L85 PathProgramCache]: Analyzing trace with hash 616112682, now seen corresponding path program 1 times [2022-10-16 15:50:43,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:43,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228954577] [2022-10-16 15:50:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:44,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:44,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228954577] [2022-10-16 15:50:44,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228954577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:44,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:44,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363927262] [2022-10-16 15:50:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:44,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:44,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:44,021 INFO L87 Difference]: Start difference. First operand 1619 states and 2363 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:44,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:44,443 INFO L93 Difference]: Finished difference Result 1674 states and 2363 transitions. [2022-10-16 15:50:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:44,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:50:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:44,452 INFO L225 Difference]: With dead ends: 1674 [2022-10-16 15:50:44,453 INFO L226 Difference]: Without dead ends: 1659 [2022-10-16 15:50:44,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:44,458 INFO L413 NwaCegarLoop]: 1657 mSDtfsCounter, 1372 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:44,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 1999 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:44,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-10-16 15:50:44,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1609. [2022-10-16 15:50:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1449 states have (on average 1.6204278812974464) internal successors, (2348), 1608 states have internal predecessors, (2348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2348 transitions. [2022-10-16 15:50:44,568 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2348 transitions. Word has length 121 [2022-10-16 15:50:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:44,568 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2348 transitions. [2022-10-16 15:50:44,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2348 transitions. [2022-10-16 15:50:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:50:44,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:44,571 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] [2022-10-16 15:50:44,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:50:44,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:44,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1919624429, now seen corresponding path program 1 times [2022-10-16 15:50:44,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:44,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355150873] [2022-10-16 15:50:44,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:44,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:44,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:44,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355150873] [2022-10-16 15:50:44,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355150873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:44,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:44,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:44,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456849579] [2022-10-16 15:50:44,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:44,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:44,829 INFO L87 Difference]: Start difference. First operand 1609 states and 2348 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:45,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:45,280 INFO L93 Difference]: Finished difference Result 2019 states and 3010 transitions. [2022-10-16 15:50:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:45,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:50:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:45,295 INFO L225 Difference]: With dead ends: 2019 [2022-10-16 15:50:45,295 INFO L226 Difference]: Without dead ends: 2004 [2022-10-16 15:50:45,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:45,299 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 1366 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:45,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1723 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2022-10-16 15:50:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 2000. [2022-10-16 15:50:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1853 states have (on average 1.611980572045332) internal successors, (2987), 1999 states have internal predecessors, (2987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2987 transitions. [2022-10-16 15:50:45,477 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2987 transitions. Word has length 122 [2022-10-16 15:50:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:45,477 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2987 transitions. [2022-10-16 15:50:45,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2987 transitions. [2022-10-16 15:50:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:50:45,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:45,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:50:45,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:50:45,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash -621184372, now seen corresponding path program 1 times [2022-10-16 15:50:45,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:45,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631040382] [2022-10-16 15:50:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:45,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:45,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631040382] [2022-10-16 15:50:45,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631040382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:45,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:45,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:45,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876948875] [2022-10-16 15:50:45,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:45,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:45,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:45,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:45,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:45,785 INFO L87 Difference]: Start difference. First operand 2000 states and 2987 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:46,401 INFO L93 Difference]: Finished difference Result 2741 states and 4154 transitions. [2022-10-16 15:50:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:50:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:46,421 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 15:50:46,421 INFO L226 Difference]: Without dead ends: 2726 [2022-10-16 15:50:46,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:46,427 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 1349 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:46,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1580 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:46,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2022-10-16 15:50:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2686. [2022-10-16 15:50:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2549 states have (on average 1.6202432326402512) internal successors, (4130), 2685 states have internal predecessors, (4130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 4130 transitions. [2022-10-16 15:50:46,713 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 4130 transitions. Word has length 123 [2022-10-16 15:50:46,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 2686 states and 4130 transitions. [2022-10-16 15:50:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 4130 transitions. [2022-10-16 15:50:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:50:46,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:46,717 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] [2022-10-16 15:50:46,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:50:46,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:46,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:46,718 INFO L85 PathProgramCache]: Analyzing trace with hash 42287886, now seen corresponding path program 1 times [2022-10-16 15:50:46,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:46,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465351001] [2022-10-16 15:50:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:46,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:46,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465351001] [2022-10-16 15:50:46,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465351001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:46,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:46,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:46,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076875791] [2022-10-16 15:50:46,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:46,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:46,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:46,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:46,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:46,964 INFO L87 Difference]: Start difference. First operand 2686 states and 4130 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:47,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:47,673 INFO L93 Difference]: Finished difference Result 4008 states and 6291 transitions. [2022-10-16 15:50:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:47,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 15:50:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:47,697 INFO L225 Difference]: With dead ends: 4008 [2022-10-16 15:50:47,697 INFO L226 Difference]: Without dead ends: 4002 [2022-10-16 15:50:47,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:47,700 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 1279 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:47,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1707 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2022-10-16 15:50:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 3987. [2022-10-16 15:50:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 3855 states have (on average 1.6243839169909209) internal successors, (6262), 3986 states have internal predecessors, (6262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 6262 transitions. [2022-10-16 15:50:48,086 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 6262 transitions. Word has length 125 [2022-10-16 15:50:48,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:48,087 INFO L495 AbstractCegarLoop]: Abstraction has 3987 states and 6262 transitions. [2022-10-16 15:50:48,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 6262 transitions. [2022-10-16 15:50:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:50:48,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:48,090 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] [2022-10-16 15:50:48,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:50:48,090 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:48,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1310924946, now seen corresponding path program 1 times [2022-10-16 15:50:48,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:48,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921484279] [2022-10-16 15:50:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:48,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:48,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921484279] [2022-10-16 15:50:48,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921484279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:48,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:48,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:50:48,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32724374] [2022-10-16 15:50:48,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:48,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:50:48,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:48,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:50:48,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:48,313 INFO L87 Difference]: Start difference. First operand 3987 states and 6262 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:49,349 INFO L93 Difference]: Finished difference Result 6794 states and 10858 transitions. [2022-10-16 15:50:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:50:49,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:50:49,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:49,388 INFO L225 Difference]: With dead ends: 6794 [2022-10-16 15:50:49,388 INFO L226 Difference]: Without dead ends: 6788 [2022-10-16 15:50:49,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:50:49,395 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 1210 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:49,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 1874 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:50:49,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2022-10-16 15:50:50,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 6745. [2022-10-16 15:50:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6745 states, 6618 states have (on average 1.6353883348443639) internal successors, (10823), 6744 states have internal predecessors, (10823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6745 states to 6745 states and 10823 transitions. [2022-10-16 15:50:50,174 INFO L78 Accepts]: Start accepts. Automaton has 6745 states and 10823 transitions. Word has length 126 [2022-10-16 15:50:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:50,175 INFO L495 AbstractCegarLoop]: Abstraction has 6745 states and 10823 transitions. [2022-10-16 15:50:50,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 6745 states and 10823 transitions. [2022-10-16 15:50:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:50:50,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:50,180 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] [2022-10-16 15:50:50,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:50:50,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:50,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1373470836, now seen corresponding path program 1 times [2022-10-16 15:50:50,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:50,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728034869] [2022-10-16 15:50:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:50,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:50,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728034869] [2022-10-16 15:50:50,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728034869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:50,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:50,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:50,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819602788] [2022-10-16 15:50:50,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:50,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:50,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:50,398 INFO L87 Difference]: Start difference. First operand 6745 states and 10823 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:51,501 INFO L93 Difference]: Finished difference Result 8822 states and 14200 transitions. [2022-10-16 15:50:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:50:51,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 15:50:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:51,539 INFO L225 Difference]: With dead ends: 8822 [2022-10-16 15:50:51,539 INFO L226 Difference]: Without dead ends: 8817 [2022-10-16 15:50:51,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:51,544 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 1885 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:51,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2489 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8817 states. [2022-10-16 15:50:52,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8817 to 6740. [2022-10-16 15:50:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6740 states, 6618 states have (on average 1.6346328195829556) internal successors, (10818), 6739 states have internal predecessors, (10818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6740 states to 6740 states and 10818 transitions. [2022-10-16 15:50:52,268 INFO L78 Accepts]: Start accepts. Automaton has 6740 states and 10818 transitions. Word has length 128 [2022-10-16 15:50:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:52,269 INFO L495 AbstractCegarLoop]: Abstraction has 6740 states and 10818 transitions. [2022-10-16 15:50:52,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 6740 states and 10818 transitions. [2022-10-16 15:50:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:50:52,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:52,271 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] [2022-10-16 15:50:52,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:50:52,272 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:52,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:52,273 INFO L85 PathProgramCache]: Analyzing trace with hash -372076557, now seen corresponding path program 1 times [2022-10-16 15:50:52,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:52,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970050893] [2022-10-16 15:50:52,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:52,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:52,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:52,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970050893] [2022-10-16 15:50:52,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970050893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:52,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:52,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556309774] [2022-10-16 15:50:52,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:52,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:52,441 INFO L87 Difference]: Start difference. First operand 6740 states and 10818 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:53,940 INFO L93 Difference]: Finished difference Result 8815 states and 14195 transitions. [2022-10-16 15:50:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:50:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:50:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:53,967 INFO L225 Difference]: With dead ends: 8815 [2022-10-16 15:50:53,967 INFO L226 Difference]: Without dead ends: 8808 [2022-10-16 15:50:53,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:53,974 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 2711 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:53,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 2075 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:50:53,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8808 states. [2022-10-16 15:50:54,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8808 to 8732. [2022-10-16 15:50:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 8615 states have (on average 1.6422518862449216) internal successors, (14148), 8731 states have internal predecessors, (14148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 14148 transitions. [2022-10-16 15:50:54,879 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 14148 transitions. Word has length 129 [2022-10-16 15:50:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:54,880 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 14148 transitions. [2022-10-16 15:50:54,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 14148 transitions. [2022-10-16 15:50:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:50:54,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:54,882 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] [2022-10-16 15:50:54,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:50:54,883 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:54,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1083270027, now seen corresponding path program 1 times [2022-10-16 15:50:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:54,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671798477] [2022-10-16 15:50:54,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:55,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:55,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671798477] [2022-10-16 15:50:55,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671798477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:55,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:55,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644835745] [2022-10-16 15:50:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:55,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:55,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:55,057 INFO L87 Difference]: Start difference. First operand 8732 states and 14148 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:56,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:56,559 INFO L93 Difference]: Finished difference Result 12780 states and 20831 transitions. [2022-10-16 15:50:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:50:56,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 15:50:56,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:56,605 INFO L225 Difference]: With dead ends: 12780 [2022-10-16 15:50:56,605 INFO L226 Difference]: Without dead ends: 12775 [2022-10-16 15:50:56,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:56,614 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 1881 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:56,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3261 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12775 states. [2022-10-16 15:50:57,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12775 to 8727. [2022-10-16 15:50:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8727 states, 8615 states have (on average 1.6416715031921068) internal successors, (14143), 8726 states have internal predecessors, (14143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 14143 transitions. [2022-10-16 15:50:57,481 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 14143 transitions. Word has length 131 [2022-10-16 15:50:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:57,482 INFO L495 AbstractCegarLoop]: Abstraction has 8727 states and 14143 transitions. [2022-10-16 15:50:57,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 14143 transitions. [2022-10-16 15:50:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:50:57,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:57,485 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] [2022-10-16 15:50:57,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:50:57,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:50:57,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:57,486 INFO L85 PathProgramCache]: Analyzing trace with hash 778368025, now seen corresponding path program 1 times [2022-10-16 15:50:57,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:57,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106583170] [2022-10-16 15:50:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:57,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:57,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106583170] [2022-10-16 15:50:57,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106583170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:57,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:57,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646455947] [2022-10-16 15:50:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:57,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:57,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:57,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:57,697 INFO L87 Difference]: Start difference. First operand 8727 states and 14143 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:59,269 INFO L93 Difference]: Finished difference Result 14529 states and 23726 transitions. [2022-10-16 15:50:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:50:59,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:50:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:59,311 INFO L225 Difference]: With dead ends: 14529 [2022-10-16 15:50:59,312 INFO L226 Difference]: Without dead ends: 14522 [2022-10-16 15:50:59,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:59,319 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 2270 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:59,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 2508 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:50:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14522 states. [2022-10-16 15:51:00,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14522 to 14418. [2022-10-16 15:51:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14418 states, 14311 states have (on average 1.6504087764656559) internal successors, (23619), 14417 states have internal predecessors, (23619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14418 states to 14418 states and 23619 transitions. [2022-10-16 15:51:00,469 INFO L78 Accepts]: Start accepts. Automaton has 14418 states and 23619 transitions. Word has length 132 [2022-10-16 15:51:00,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:00,470 INFO L495 AbstractCegarLoop]: Abstraction has 14418 states and 23619 transitions. [2022-10-16 15:51:00,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 14418 states and 23619 transitions. [2022-10-16 15:51:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:51:00,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:00,477 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] [2022-10-16 15:51:00,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:51:00,478 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:00,478 INFO L85 PathProgramCache]: Analyzing trace with hash 687378427, now seen corresponding path program 1 times [2022-10-16 15:51:00,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:00,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716983882] [2022-10-16 15:51:00,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:00,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:00,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:00,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716983882] [2022-10-16 15:51:00,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716983882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:00,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:00,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:00,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079065706] [2022-10-16 15:51:00,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:00,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:00,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:00,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:00,645 INFO L87 Difference]: Start difference. First operand 14418 states and 23619 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:03,007 INFO L93 Difference]: Finished difference Result 26693 states and 43966 transitions. [2022-10-16 15:51:03,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:51:03,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:51:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:03,072 INFO L225 Difference]: With dead ends: 26693 [2022-10-16 15:51:03,072 INFO L226 Difference]: Without dead ends: 26688 [2022-10-16 15:51:03,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:03,085 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 1877 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:03,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 2618 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:51:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26688 states. [2022-10-16 15:51:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26688 to 14413. [2022-10-16 15:51:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14413 states, 14311 states have (on average 1.6500593948710782) internal successors, (23614), 14412 states have internal predecessors, (23614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14413 states to 14413 states and 23614 transitions. [2022-10-16 15:51:04,580 INFO L78 Accepts]: Start accepts. Automaton has 14413 states and 23614 transitions. Word has length 134 [2022-10-16 15:51:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:04,581 INFO L495 AbstractCegarLoop]: Abstraction has 14413 states and 23614 transitions. [2022-10-16 15:51:04,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 14413 states and 23614 transitions. [2022-10-16 15:51:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:51:04,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:04,583 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] [2022-10-16 15:51:04,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:51:04,584 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:04,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:04,584 INFO L85 PathProgramCache]: Analyzing trace with hash -166104742, now seen corresponding path program 1 times [2022-10-16 15:51:04,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:04,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183082289] [2022-10-16 15:51:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:04,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183082289] [2022-10-16 15:51:04,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183082289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:04,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:04,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:04,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062179937] [2022-10-16 15:51:04,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:04,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:04,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:04,746 INFO L87 Difference]: Start difference. First operand 14413 states and 23614 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:07,114 INFO L93 Difference]: Finished difference Result 27791 states and 45763 transitions. [2022-10-16 15:51:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:51:07,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 15:51:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:07,187 INFO L225 Difference]: With dead ends: 27791 [2022-10-16 15:51:07,187 INFO L226 Difference]: Without dead ends: 27784 [2022-10-16 15:51:07,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:07,202 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 2630 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:07,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 2243 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:51:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27784 states. [2022-10-16 15:51:09,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27784 to 27620. [2022-10-16 15:51:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27620 states, 27523 states have (on average 1.653962140755005) internal successors, (45522), 27619 states have internal predecessors, (45522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27620 states to 27620 states and 45522 transitions. [2022-10-16 15:51:10,066 INFO L78 Accepts]: Start accepts. Automaton has 27620 states and 45522 transitions. Word has length 135 [2022-10-16 15:51:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:10,067 INFO L495 AbstractCegarLoop]: Abstraction has 27620 states and 45522 transitions. [2022-10-16 15:51:10,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 27620 states and 45522 transitions. [2022-10-16 15:51:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 15:51:10,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:10,068 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] [2022-10-16 15:51:10,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:51:10,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:10,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:10,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1762487542, now seen corresponding path program 1 times [2022-10-16 15:51:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:10,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766370893] [2022-10-16 15:51:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:10,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:10,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766370893] [2022-10-16 15:51:10,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766370893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:10,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:10,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:10,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610335926] [2022-10-16 15:51:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:10,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:10,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:10,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:10,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:10,229 INFO L87 Difference]: Start difference. First operand 27620 states and 45522 transitions. Second operand has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:15,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:15,116 INFO L93 Difference]: Finished difference Result 55304 states and 91706 transitions. [2022-10-16 15:51:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:51:15,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2022-10-16 15:51:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:15,237 INFO L225 Difference]: With dead ends: 55304 [2022-10-16 15:51:15,238 INFO L226 Difference]: Without dead ends: 55295 [2022-10-16 15:51:15,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:15,260 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2224 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 3775 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:15,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 3775 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:51:15,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55295 states. [2022-10-16 15:51:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55295 to 41508. [2022-10-16 15:51:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41508 states, 41416 states have (on average 1.6596242997875217) internal successors, (68735), 41507 states have internal predecessors, (68735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41508 states to 41508 states and 68735 transitions. [2022-10-16 15:51:19,873 INFO L78 Accepts]: Start accepts. Automaton has 41508 states and 68735 transitions. Word has length 147 [2022-10-16 15:51:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:19,878 INFO L495 AbstractCegarLoop]: Abstraction has 41508 states and 68735 transitions. [2022-10-16 15:51:19,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41508 states and 68735 transitions. [2022-10-16 15:51:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 15:51:19,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:19,880 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] [2022-10-16 15:51:19,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:51:19,880 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:19,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1197461582, now seen corresponding path program 1 times [2022-10-16 15:51:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:19,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169605216] [2022-10-16 15:51:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:20,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:20,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169605216] [2022-10-16 15:51:20,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169605216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:20,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:20,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:20,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14899869] [2022-10-16 15:51:20,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:20,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:20,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:20,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:20,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:20,229 INFO L87 Difference]: Start difference. First operand 41508 states and 68735 transitions. Second operand has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:26,976 INFO L93 Difference]: Finished difference Result 66481 states and 110073 transitions. [2022-10-16 15:51:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:51:26,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 15:51:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:27,116 INFO L225 Difference]: With dead ends: 66481 [2022-10-16 15:51:27,116 INFO L226 Difference]: Without dead ends: 66472 [2022-10-16 15:51:27,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:27,231 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 2626 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:27,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2276 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:51:27,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66472 states. [2022-10-16 15:51:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66472 to 66413. [2022-10-16 15:51:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66413 states, 66326 states have (on average 1.6564846364924766) internal successors, (109868), 66412 states have internal predecessors, (109868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66413 states to 66413 states and 109868 transitions. [2022-10-16 15:51:34,870 INFO L78 Accepts]: Start accepts. Automaton has 66413 states and 109868 transitions. Word has length 148 [2022-10-16 15:51:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:34,870 INFO L495 AbstractCegarLoop]: Abstraction has 66413 states and 109868 transitions. [2022-10-16 15:51:34,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 66413 states and 109868 transitions. [2022-10-16 15:51:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 15:51:34,872 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:34,873 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] [2022-10-16 15:51:34,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:51:34,873 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:34,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1533396084, now seen corresponding path program 1 times [2022-10-16 15:51:34,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:34,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334619157] [2022-10-16 15:51:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:35,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:35,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334619157] [2022-10-16 15:51:35,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334619157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:35,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:35,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:51:35,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066128646] [2022-10-16 15:51:35,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:35,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:51:35,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:35,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:51:35,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:35,078 INFO L87 Difference]: Start difference. First operand 66413 states and 109868 transitions. Second operand has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:45,401 INFO L93 Difference]: Finished difference Result 93912 states and 155464 transitions. [2022-10-16 15:51:45,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:51:45,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 15:51:45,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:45,711 INFO L225 Difference]: With dead ends: 93912 [2022-10-16 15:51:45,711 INFO L226 Difference]: Without dead ends: 93903 [2022-10-16 15:51:45,741 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 [2022-10-16 15:51:45,746 INFO L413 NwaCegarLoop]: 2061 mSDtfsCounter, 3708 mSDsluCounter, 2988 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3708 SdHoareTripleChecker+Valid, 5049 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:45,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3708 Valid, 5049 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:51:45,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93903 states. [2022-10-16 15:51:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93903 to 80070. [2022-10-16 15:51:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80070 states, 79988 states have (on average 1.6572610891633746) internal successors, (132561), 80069 states have internal predecessors, (132561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80070 states to 80070 states and 132561 transitions. [2022-10-16 15:51:54,797 INFO L78 Accepts]: Start accepts. Automaton has 80070 states and 132561 transitions. Word has length 149 [2022-10-16 15:51:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:54,798 INFO L495 AbstractCegarLoop]: Abstraction has 80070 states and 132561 transitions. [2022-10-16 15:51:54,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 80070 states and 132561 transitions. [2022-10-16 15:51:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 15:51:54,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:54,800 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] [2022-10-16 15:51:54,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:51:54,800 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:51:54,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:54,801 INFO L85 PathProgramCache]: Analyzing trace with hash -290637808, now seen corresponding path program 1 times [2022-10-16 15:51:54,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:54,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117919190] [2022-10-16 15:51:54,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:54,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:55,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:55,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117919190] [2022-10-16 15:51:55,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117919190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:55,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:55,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:51:55,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279434988] [2022-10-16 15:51:55,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:55,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:51:55,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:55,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:51:55,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:55,045 INFO L87 Difference]: Start difference. First operand 80070 states and 132561 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:06,127 INFO L93 Difference]: Finished difference Result 104133 states and 172203 transitions. [2022-10-16 15:52:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:52:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 15:52:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:06,301 INFO L225 Difference]: With dead ends: 104133 [2022-10-16 15:52:06,301 INFO L226 Difference]: Without dead ends: 104124 [2022-10-16 15:52:06,324 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 [2022-10-16 15:52:06,325 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 3720 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:06,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 3260 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104124 states. [2022-10-16 15:52:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104124 to 104011. [2022-10-16 15:52:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104011 states, 103934 states have (on average 1.6543383300940981) internal successors, (171942), 104010 states have internal predecessors, (171942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104011 states to 104011 states and 171942 transitions. [2022-10-16 15:52:18,083 INFO L78 Accepts]: Start accepts. Automaton has 104011 states and 171942 transitions. Word has length 150 [2022-10-16 15:52:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:18,084 INFO L495 AbstractCegarLoop]: Abstraction has 104011 states and 171942 transitions. [2022-10-16 15:52:18,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 104011 states and 171942 transitions. [2022-10-16 15:52:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 15:52:18,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:18,100 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] [2022-10-16 15:52:18,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:52:18,100 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:18,101 INFO L85 PathProgramCache]: Analyzing trace with hash -419836914, now seen corresponding path program 1 times [2022-10-16 15:52:18,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:18,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436625814] [2022-10-16 15:52:18,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:18,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:18,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:18,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436625814] [2022-10-16 15:52:18,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436625814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:18,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:18,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:52:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552905195] [2022-10-16 15:52:18,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:18,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:52:18,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:52:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:52:18,322 INFO L87 Difference]: Start difference. First operand 104011 states and 171942 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)