/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/pals_lcr.7.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:19:58,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:19:58,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:19:58,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:19:58,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:19:58,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:19:58,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:19:58,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:19:58,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:19:58,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:19:58,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:19:58,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:19:58,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:19:58,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:19:58,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:19:58,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:19:58,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:19:58,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:19:58,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:19:58,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:19:58,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:19:58,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:19:58,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:19:58,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:19:58,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:19:58,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:19:58,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:19:58,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:19:58,200 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 15:19:58,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:19:58,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:19:58,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:19:58,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:19:58,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:19:58,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:19:58,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:19:58,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:19:58,235 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:19:58,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:19:58,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:19:58,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:19:58,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:19:58,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:19:58,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:19:58,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:19:58,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:19:58,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:19:58,237 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:19:58,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:19:58,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:19:58,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:19:58,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:19:58,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:19:58,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:19:58,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:19:58,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:19:58,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:19:58,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:19:58,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:19:58,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:19:58,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:19:58,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:19:58,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:19:58,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:19:58,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:19:58,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:19:58,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:19:58,638 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:19:58,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-16 15:19:58,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a70e0f2d/54ac5e31555e45bba703e8bcfd460747/FLAG43c1d8196 [2022-10-16 15:19:59,441 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:19:59,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-16 15:19:59,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a70e0f2d/54ac5e31555e45bba703e8bcfd460747/FLAG43c1d8196 [2022-10-16 15:19:59,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a70e0f2d/54ac5e31555e45bba703e8bcfd460747 [2022-10-16 15:19:59,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:19:59,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:19:59,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:19:59,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:19:59,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:19:59,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:19:59" (1/1) ... [2022-10-16 15:19:59,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312e0ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:19:59, skipping insertion in model container [2022-10-16 15:19:59,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:19:59" (1/1) ... [2022-10-16 15:19:59,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:19:59,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:20:00,161 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/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2022-10-16 15:20:00,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:00,177 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:20:00,249 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/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2022-10-16 15:20:00,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:00,290 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:20:00,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00 WrapperNode [2022-10-16 15:20:00,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:20:00,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:00,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:20:00,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:20:00,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,404 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 489 [2022-10-16 15:20:00,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:00,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:20:00,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:20:00,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:20:00,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:20:00,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:20:00,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:20:00,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:20:00,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (1/1) ... [2022-10-16 15:20:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:20:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:20:00,540 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 15:20:00,550 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 15:20:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:20:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:20:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:20:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:20:00,724 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:20:00,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:20:01,747 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:20:01,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:20:01,773 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:20:01,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:01 BoogieIcfgContainer [2022-10-16 15:20:01,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:20:01,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:20:01,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:20:01,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:20:01,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:19:59" (1/3) ... [2022-10-16 15:20:01,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60de62a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:01, skipping insertion in model container [2022-10-16 15:20:01,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:00" (2/3) ... [2022-10-16 15:20:01,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60de62a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:01, skipping insertion in model container [2022-10-16 15:20:01,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:01" (3/3) ... [2022-10-16 15:20:01,791 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-16 15:20:01,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:20:01,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-16 15:20:01,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:20:01,933 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;@4ef893aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:20:01,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-16 15:20:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 165 states have (on average 1.8060606060606061) internal successors, (298), 203 states have internal predecessors, (298), 0 states have call successors, (0), 0 states 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 15:20:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 15:20:01,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:01,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:01,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:01,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1575213303, now seen corresponding path program 1 times [2022-10-16 15:20:01,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:01,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149625883] [2022-10-16 15:20:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:02,234 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 15:20:02,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:02,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149625883] [2022-10-16 15:20:02,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149625883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:02,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:02,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:20:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418858315] [2022-10-16 15:20:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:02,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:20:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:02,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:20:02,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:02,292 INFO L87 Difference]: Start difference. First operand has 204 states, 165 states have (on average 1.8060606060606061) internal successors, (298), 203 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 15:20:02,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:02,340 INFO L93 Difference]: Finished difference Result 347 states and 487 transitions. [2022-10-16 15:20:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:20:02,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 15:20:02,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:02,357 INFO L225 Difference]: With dead ends: 347 [2022-10-16 15:20:02,357 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:20:02,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:02,367 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:02,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:02,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:20:02,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:20:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 161 states have (on average 1.7888198757763976) internal successors, (288), 196 states have internal predecessors, (288), 0 states have call successors, (0), 0 states 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 15:20:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 288 transitions. [2022-10-16 15:20:02,437 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 288 transitions. Word has length 11 [2022-10-16 15:20:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:02,437 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 288 transitions. [2022-10-16 15:20:02,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 15:20:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2022-10-16 15:20:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 15:20:02,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:02,441 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] [2022-10-16 15:20:02,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:20:02,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:02,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:02,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1923019480, now seen corresponding path program 1 times [2022-10-16 15:20:02,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:02,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069363285] [2022-10-16 15:20:02,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:02,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:02,800 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 15:20:02,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:02,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069363285] [2022-10-16 15:20:02,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069363285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:02,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:02,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:02,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424031709] [2022-10-16 15:20:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:02,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:02,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:02,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:02,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:02,808 INFO L87 Difference]: Start difference. First operand 197 states and 288 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 15:20:03,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:03,020 INFO L93 Difference]: Finished difference Result 342 states and 474 transitions. [2022-10-16 15:20:03,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:03,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 15:20:03,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:03,025 INFO L225 Difference]: With dead ends: 342 [2022-10-16 15:20:03,025 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:20:03,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:03,032 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 3 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:03,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1091 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:20:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:20:03,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:20:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 161 states have (on average 1.4782608695652173) internal successors, (238), 196 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 15:20:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 238 transitions. [2022-10-16 15:20:03,049 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 238 transitions. Word has length 37 [2022-10-16 15:20:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:03,050 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 238 transitions. [2022-10-16 15:20:03,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 15:20:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 238 transitions. [2022-10-16 15:20:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:03,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:03,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:03,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:20:03,055 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:03,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:03,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1299184460, now seen corresponding path program 1 times [2022-10-16 15:20:03,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:03,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942548675] [2022-10-16 15:20:03,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:03,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:03,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942548675] [2022-10-16 15:20:03,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942548675] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:03,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:03,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078076598] [2022-10-16 15:20:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:03,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:03,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:03,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:03,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:03,301 INFO L87 Difference]: Start difference. First operand 197 states and 238 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:03,341 INFO L93 Difference]: Finished difference Result 473 states and 592 transitions. [2022-10-16 15:20:03,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:03,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:03,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:03,348 INFO L225 Difference]: With dead ends: 473 [2022-10-16 15:20:03,348 INFO L226 Difference]: Without dead ends: 332 [2022-10-16 15:20:03,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:03,356 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 164 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:03,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 564 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2022-10-16 15:20:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 296. [2022-10-16 15:20:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 260 states have (on average 1.573076923076923) internal successors, (409), 295 states have internal predecessors, (409), 0 states have call successors, (0), 0 states 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 15:20:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 409 transitions. [2022-10-16 15:20:03,408 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 409 transitions. Word has length 86 [2022-10-16 15:20:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:03,409 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 409 transitions. [2022-10-16 15:20:03,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 409 transitions. [2022-10-16 15:20:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:03,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:03,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:03,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:20:03,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash -640846398, now seen corresponding path program 1 times [2022-10-16 15:20:03,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836549778] [2022-10-16 15:20:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:03,643 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 15:20:03,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:03,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836549778] [2022-10-16 15:20:03,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836549778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:03,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:03,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:03,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291887178] [2022-10-16 15:20:03,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:03,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:03,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:03,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:03,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:03,648 INFO L87 Difference]: Start difference. First operand 296 states and 409 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:03,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:03,694 INFO L93 Difference]: Finished difference Result 764 states and 1095 transitions. [2022-10-16 15:20:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:03,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:03,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:03,700 INFO L225 Difference]: With dead ends: 764 [2022-10-16 15:20:03,700 INFO L226 Difference]: Without dead ends: 524 [2022-10-16 15:20:03,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:03,712 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 160 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:03,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 563 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:03,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-10-16 15:20:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 488. [2022-10-16 15:20:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 452 states have (on average 1.6371681415929205) internal successors, (740), 487 states have internal predecessors, (740), 0 states have call successors, (0), 0 states 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 15:20:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 740 transitions. [2022-10-16 15:20:03,742 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 740 transitions. Word has length 86 [2022-10-16 15:20:03,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:03,742 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 740 transitions. [2022-10-16 15:20:03,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 740 transitions. [2022-10-16 15:20:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:03,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:03,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:03,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:20:03,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:03,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2059836216, now seen corresponding path program 1 times [2022-10-16 15:20:03,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:03,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108358947] [2022-10-16 15:20:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:03,947 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 15:20:03,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:03,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108358947] [2022-10-16 15:20:03,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108358947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:03,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:03,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:03,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181345082] [2022-10-16 15:20:03,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:03,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:03,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:03,955 INFO L87 Difference]: Start difference. First operand 488 states and 740 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:04,032 INFO L93 Difference]: Finished difference Result 1328 states and 2068 transitions. [2022-10-16 15:20:04,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:04,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:04,040 INFO L225 Difference]: With dead ends: 1328 [2022-10-16 15:20:04,040 INFO L226 Difference]: Without dead ends: 896 [2022-10-16 15:20:04,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:04,043 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 156 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:04,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 562 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2022-10-16 15:20:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 860. [2022-10-16 15:20:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 824 states have (on average 1.674757281553398) internal successors, (1380), 859 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states 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 15:20:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1380 transitions. [2022-10-16 15:20:04,093 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1380 transitions. Word has length 86 [2022-10-16 15:20:04,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:04,094 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1380 transitions. [2022-10-16 15:20:04,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1380 transitions. [2022-10-16 15:20:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:04,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:04,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:04,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:20:04,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:04,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:04,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1897337938, now seen corresponding path program 1 times [2022-10-16 15:20:04,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:04,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203743047] [2022-10-16 15:20:04,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:04,285 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 15:20:04,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:04,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203743047] [2022-10-16 15:20:04,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203743047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:04,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:04,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:04,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069664066] [2022-10-16 15:20:04,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:04,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:04,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:04,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:04,288 INFO L87 Difference]: Start difference. First operand 860 states and 1380 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:04,359 INFO L93 Difference]: Finished difference Result 2420 states and 3948 transitions. [2022-10-16 15:20:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:04,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:04,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:04,370 INFO L225 Difference]: With dead ends: 2420 [2022-10-16 15:20:04,370 INFO L226 Difference]: Without dead ends: 1616 [2022-10-16 15:20:04,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:04,373 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 152 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:04,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 561 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2022-10-16 15:20:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1580. [2022-10-16 15:20:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1544 states have (on average 1.694300518134715) internal successors, (2616), 1579 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states 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 15:20:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2616 transitions. [2022-10-16 15:20:04,457 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2616 transitions. Word has length 86 [2022-10-16 15:20:04,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:04,457 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2616 transitions. [2022-10-16 15:20:04,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2616 transitions. [2022-10-16 15:20:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:04,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:04,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:04,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:20:04,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash -679352540, now seen corresponding path program 1 times [2022-10-16 15:20:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:04,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009673921] [2022-10-16 15:20:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:04,576 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 15:20:04,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:04,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009673921] [2022-10-16 15:20:04,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009673921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:04,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:04,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:04,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520431670] [2022-10-16 15:20:04,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:04,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:04,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:04,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:04,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:04,579 INFO L87 Difference]: Start difference. First operand 1580 states and 2616 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:04,729 INFO L93 Difference]: Finished difference Result 4532 states and 7576 transitions. [2022-10-16 15:20:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:04,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:04,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:04,746 INFO L225 Difference]: With dead ends: 4532 [2022-10-16 15:20:04,747 INFO L226 Difference]: Without dead ends: 3008 [2022-10-16 15:20:04,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:04,751 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 148 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:04,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2022-10-16 15:20:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 2972. [2022-10-16 15:20:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2936 states have (on average 1.7029972752043596) internal successors, (5000), 2971 states have internal predecessors, (5000), 0 states have call successors, (0), 0 states 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 15:20:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 5000 transitions. [2022-10-16 15:20:04,923 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 5000 transitions. Word has length 86 [2022-10-16 15:20:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:04,924 INFO L495 AbstractCegarLoop]: Abstraction has 2972 states and 5000 transitions. [2022-10-16 15:20:04,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 5000 transitions. [2022-10-16 15:20:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:20:04,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:04,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:04,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:20:04,931 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:04,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -660664934, now seen corresponding path program 1 times [2022-10-16 15:20:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:04,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532756438] [2022-10-16 15:20:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:05,132 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 15:20:05,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:05,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532756438] [2022-10-16 15:20:05,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532756438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:05,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:05,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:05,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368645411] [2022-10-16 15:20:05,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:05,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:05,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:05,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:05,135 INFO L87 Difference]: Start difference. First operand 2972 states and 5000 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:05,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:05,750 INFO L93 Difference]: Finished difference Result 8801 states and 14888 transitions. [2022-10-16 15:20:05,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:05,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:20:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:05,798 INFO L225 Difference]: With dead ends: 8801 [2022-10-16 15:20:05,798 INFO L226 Difference]: Without dead ends: 8798 [2022-10-16 15:20:05,801 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 15:20:05,802 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 555 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:05,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 384 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2022-10-16 15:20:06,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 5852. [2022-10-16 15:20:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 5816 states have (on average 1.6932599724896837) internal successors, (9848), 5851 states have internal predecessors, (9848), 0 states have call successors, (0), 0 states 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 15:20:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 9848 transitions. [2022-10-16 15:20:06,230 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 9848 transitions. Word has length 86 [2022-10-16 15:20:06,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:06,231 INFO L495 AbstractCegarLoop]: Abstraction has 5852 states and 9848 transitions. [2022-10-16 15:20:06,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 9848 transitions. [2022-10-16 15:20:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:20:06,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:06,233 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] [2022-10-16 15:20:06,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:20:06,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash 994224122, now seen corresponding path program 1 times [2022-10-16 15:20:06,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:06,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8851614] [2022-10-16 15:20:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:06,356 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 15:20:06,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:06,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8851614] [2022-10-16 15:20:06,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8851614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:06,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:06,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:06,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344376978] [2022-10-16 15:20:06,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:06,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:06,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:06,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:06,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:06,360 INFO L87 Difference]: Start difference. First operand 5852 states and 9848 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 15:20:06,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:06,984 INFO L93 Difference]: Finished difference Result 8765 states and 14792 transitions. [2022-10-16 15:20:06,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:20:06,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 15:20:06,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:07,054 INFO L225 Difference]: With dead ends: 8765 [2022-10-16 15:20:07,054 INFO L226 Difference]: Without dead ends: 8762 [2022-10-16 15:20:07,057 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 15:20:07,060 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 554 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:07,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 269 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:07,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8762 states. [2022-10-16 15:20:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8762 to 8732. [2022-10-16 15:20:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 8696 states have (on average 1.6789328426862926) internal successors, (14600), 8731 states have internal predecessors, (14600), 0 states have call successors, (0), 0 states 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 15:20:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 14600 transitions. [2022-10-16 15:20:07,627 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 14600 transitions. Word has length 87 [2022-10-16 15:20:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:07,627 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 14600 transitions. [2022-10-16 15:20:07,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 15:20:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 14600 transitions. [2022-10-16 15:20:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:20:07,629 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:07,629 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] [2022-10-16 15:20:07,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:20:07,630 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:07,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:07,637 INFO L85 PathProgramCache]: Analyzing trace with hash 756177308, now seen corresponding path program 1 times [2022-10-16 15:20:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:07,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421829521] [2022-10-16 15:20:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:07,788 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 15:20:07,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:07,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421829521] [2022-10-16 15:20:07,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421829521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:07,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:07,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461249422] [2022-10-16 15:20:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:07,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:07,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:07,792 INFO L87 Difference]: Start difference. First operand 8732 states and 14600 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 15:20:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:08,807 INFO L93 Difference]: Finished difference Result 14582 states and 24200 transitions. [2022-10-16 15:20:08,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:20:08,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 15:20:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:08,845 INFO L225 Difference]: With dead ends: 14582 [2022-10-16 15:20:08,846 INFO L226 Difference]: Without dead ends: 14579 [2022-10-16 15:20:08,851 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 15:20:08,852 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 959 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:08,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 576 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14579 states. [2022-10-16 15:20:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14579 to 11612. [2022-10-16 15:20:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11612 states, 11576 states have (on average 1.663441603317208) internal successors, (19256), 11611 states have internal predecessors, (19256), 0 states have call successors, (0), 0 states 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 15:20:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 11612 states and 19256 transitions. [2022-10-16 15:20:09,489 INFO L78 Accepts]: Start accepts. Automaton has 11612 states and 19256 transitions. Word has length 88 [2022-10-16 15:20:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:09,490 INFO L495 AbstractCegarLoop]: Abstraction has 11612 states and 19256 transitions. [2022-10-16 15:20:09,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 15:20:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 11612 states and 19256 transitions. [2022-10-16 15:20:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:20:09,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:09,492 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] [2022-10-16 15:20:09,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:20:09,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:09,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash 674819214, now seen corresponding path program 1 times [2022-10-16 15:20:09,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:09,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021644326] [2022-10-16 15:20:09,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:09,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:09,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:09,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021644326] [2022-10-16 15:20:09,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021644326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:09,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:09,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:09,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222297579] [2022-10-16 15:20:09,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:09,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:09,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:09,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:09,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:09,575 INFO L87 Difference]: Start difference. First operand 11612 states and 19256 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 15:20:10,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:10,552 INFO L93 Difference]: Finished difference Result 33956 states and 56376 transitions. [2022-10-16 15:20:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:10,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 15:20:10,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:10,610 INFO L225 Difference]: With dead ends: 33956 [2022-10-16 15:20:10,610 INFO L226 Difference]: Without dead ends: 22400 [2022-10-16 15:20:10,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:10,630 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 168 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:10,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 573 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:10,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22400 states. [2022-10-16 15:20:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22400 to 22364. [2022-10-16 15:20:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22364 states, 22328 states have (on average 1.6592619132927267) internal successors, (37048), 22363 states have internal predecessors, (37048), 0 states have call successors, (0), 0 states 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 15:20:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22364 states to 22364 states and 37048 transitions. [2022-10-16 15:20:11,939 INFO L78 Accepts]: Start accepts. Automaton has 22364 states and 37048 transitions. Word has length 88 [2022-10-16 15:20:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:11,939 INFO L495 AbstractCegarLoop]: Abstraction has 22364 states and 37048 transitions. [2022-10-16 15:20:11,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 15:20:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 22364 states and 37048 transitions. [2022-10-16 15:20:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:20:11,942 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:11,942 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] [2022-10-16 15:20:11,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:20:11,943 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1966660668, now seen corresponding path program 1 times [2022-10-16 15:20:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:11,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992331340] [2022-10-16 15:20:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:12,080 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 15:20:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:12,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992331340] [2022-10-16 15:20:12,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992331340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:12,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:12,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531701363] [2022-10-16 15:20:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:12,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:12,083 INFO L87 Difference]: Start difference. First operand 22364 states and 37048 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 15:20:13,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:13,568 INFO L93 Difference]: Finished difference Result 27992 states and 46392 transitions. [2022-10-16 15:20:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:20:13,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 15:20:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:13,628 INFO L225 Difference]: With dead ends: 27992 [2022-10-16 15:20:13,628 INFO L226 Difference]: Without dead ends: 27989 [2022-10-16 15:20:13,636 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 15:20:13,637 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 966 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:13,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 439 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:20:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27989 states. [2022-10-16 15:20:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27989 to 27932. [2022-10-16 15:20:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27932 states, 27896 states have (on average 1.6423860051620305) internal successors, (45816), 27931 states have internal predecessors, (45816), 0 states have call successors, (0), 0 states 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 15:20:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27932 states to 27932 states and 45816 transitions. [2022-10-16 15:20:14,864 INFO L78 Accepts]: Start accepts. Automaton has 27932 states and 45816 transitions. Word has length 89 [2022-10-16 15:20:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:14,864 INFO L495 AbstractCegarLoop]: Abstraction has 27932 states and 45816 transitions. [2022-10-16 15:20:14,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 15:20:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 27932 states and 45816 transitions. [2022-10-16 15:20:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:20:14,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:14,866 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] [2022-10-16 15:20:14,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:20:14,867 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 836939166, now seen corresponding path program 1 times [2022-10-16 15:20:14,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:14,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080388241] [2022-10-16 15:20:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:15,031 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 15:20:15,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:15,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080388241] [2022-10-16 15:20:15,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080388241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:15,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:15,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:15,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533157528] [2022-10-16 15:20:15,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:15,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:15,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:15,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:15,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:15,035 INFO L87 Difference]: Start difference. First operand 27932 states and 45816 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 15:20:17,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:17,059 INFO L93 Difference]: Finished difference Result 44741 states and 73080 transitions. [2022-10-16 15:20:17,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:20:17,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 15:20:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:17,137 INFO L225 Difference]: With dead ends: 44741 [2022-10-16 15:20:17,137 INFO L226 Difference]: Without dead ends: 44738 [2022-10-16 15:20:17,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:17,151 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1730 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:17,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 826 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:20:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44738 states. [2022-10-16 15:20:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44738 to 33500. [2022-10-16 15:20:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33500 states, 33464 states have (on average 1.6253884771694955) internal successors, (54392), 33499 states have internal predecessors, (54392), 0 states have call successors, (0), 0 states 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 15:20:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33500 states to 33500 states and 54392 transitions. [2022-10-16 15:20:18,843 INFO L78 Accepts]: Start accepts. Automaton has 33500 states and 54392 transitions. Word has length 90 [2022-10-16 15:20:18,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:18,844 INFO L495 AbstractCegarLoop]: Abstraction has 33500 states and 54392 transitions. [2022-10-16 15:20:18,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 15:20:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33500 states and 54392 transitions. [2022-10-16 15:20:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:20:18,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:18,846 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] [2022-10-16 15:20:18,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:20:18,847 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:18,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:18,848 INFO L85 PathProgramCache]: Analyzing trace with hash 175310974, now seen corresponding path program 1 times [2022-10-16 15:20:18,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:18,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785425740] [2022-10-16 15:20:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:18,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:19,057 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 15:20:19,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:19,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785425740] [2022-10-16 15:20:19,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785425740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:19,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:19,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:19,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231099584] [2022-10-16 15:20:19,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:19,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:19,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:19,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:19,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:19,060 INFO L87 Difference]: Start difference. First operand 33500 states and 54392 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:20:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:21,126 INFO L93 Difference]: Finished difference Result 44720 states and 72504 transitions. [2022-10-16 15:20:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:20:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 15:20:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:21,201 INFO L225 Difference]: With dead ends: 44720 [2022-10-16 15:20:21,201 INFO L226 Difference]: Without dead ends: 44717 [2022-10-16 15:20:21,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:21,216 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1513 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:21,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 623 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44717 states. [2022-10-16 15:20:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44717 to 44636. [2022-10-16 15:20:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44636 states, 44600 states have (on average 1.6084304932735427) internal successors, (71736), 44635 states have internal predecessors, (71736), 0 states have call successors, (0), 0 states 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 15:20:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44636 states to 44636 states and 71736 transitions. [2022-10-16 15:20:23,386 INFO L78 Accepts]: Start accepts. Automaton has 44636 states and 71736 transitions. Word has length 91 [2022-10-16 15:20:23,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:23,390 INFO L495 AbstractCegarLoop]: Abstraction has 44636 states and 71736 transitions. [2022-10-16 15:20:23,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:20:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 44636 states and 71736 transitions. [2022-10-16 15:20:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:20:23,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:23,392 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] [2022-10-16 15:20:23,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:20:23,393 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:23,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash 863135715, now seen corresponding path program 1 times [2022-10-16 15:20:23,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:23,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208060326] [2022-10-16 15:20:23,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:23,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:23,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:23,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208060326] [2022-10-16 15:20:23,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208060326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:23,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:23,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:23,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527824847] [2022-10-16 15:20:23,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:23,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:23,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:23,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:23,501 INFO L87 Difference]: Start difference. First operand 44636 states and 71736 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:20:26,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:26,791 INFO L93 Difference]: Finished difference Result 129188 states and 207928 transitions. [2022-10-16 15:20:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:26,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 15:20:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:26,935 INFO L225 Difference]: With dead ends: 129188 [2022-10-16 15:20:26,935 INFO L226 Difference]: Without dead ends: 84608 [2022-10-16 15:20:26,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:26,990 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 168 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:26,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 579 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84608 states. [2022-10-16 15:20:30,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84608 to 84572. [2022-10-16 15:20:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84572 states, 84536 states have (on average 1.6056591274723195) internal successors, (135736), 84571 states have internal predecessors, (135736), 0 states have call successors, (0), 0 states 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 15:20:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84572 states to 84572 states and 135736 transitions. [2022-10-16 15:20:31,438 INFO L78 Accepts]: Start accepts. Automaton has 84572 states and 135736 transitions. Word has length 91 [2022-10-16 15:20:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:31,438 INFO L495 AbstractCegarLoop]: Abstraction has 84572 states and 135736 transitions. [2022-10-16 15:20:31,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:20:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 84572 states and 135736 transitions. [2022-10-16 15:20:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:20:31,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:31,439 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] [2022-10-16 15:20:31,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:20:31,440 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1139673504, now seen corresponding path program 1 times [2022-10-16 15:20:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:31,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634981310] [2022-10-16 15:20:31,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:31,601 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 15:20:31,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:31,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634981310] [2022-10-16 15:20:31,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634981310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:31,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:31,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:20:31,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540400667] [2022-10-16 15:20:31,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:31,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:20:31,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:31,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:20:31,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:31,606 INFO L87 Difference]: Start difference. First operand 84572 states and 135736 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 15:20:37,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:37,615 INFO L93 Difference]: Finished difference Result 126926 states and 203576 transitions. [2022-10-16 15:20:37,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:20:37,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 15:20:37,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:37,921 INFO L225 Difference]: With dead ends: 126926 [2022-10-16 15:20:37,921 INFO L226 Difference]: Without dead ends: 126923 [2022-10-16 15:20:37,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:20:37,945 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 2455 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:37,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 828 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:20:38,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126923 states. [2022-10-16 15:20:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126923 to 95132. [2022-10-16 15:20:42,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95132 states, 95096 states have (on average 1.5895516110036174) internal successors, (151160), 95131 states have internal predecessors, (151160), 0 states have call successors, (0), 0 states 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 15:20:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95132 states to 95132 states and 151160 transitions. [2022-10-16 15:20:42,596 INFO L78 Accepts]: Start accepts. Automaton has 95132 states and 151160 transitions. Word has length 92 [2022-10-16 15:20:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:42,596 INFO L495 AbstractCegarLoop]: Abstraction has 95132 states and 151160 transitions. [2022-10-16 15:20:42,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 15:20:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 95132 states and 151160 transitions. [2022-10-16 15:20:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:20:42,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:42,597 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] [2022-10-16 15:20:42,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:20:42,597 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:42,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:42,598 INFO L85 PathProgramCache]: Analyzing trace with hash 970140864, now seen corresponding path program 1 times [2022-10-16 15:20:42,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:42,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429190180] [2022-10-16 15:20:42,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:43,030 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 15:20:43,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:43,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429190180] [2022-10-16 15:20:43,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429190180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:43,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:43,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:20:43,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618667995] [2022-10-16 15:20:43,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:43,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:20:43,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:43,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:20:43,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:43,032 INFO L87 Difference]: Start difference. First operand 95132 states and 151160 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 15:20:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:48,066 INFO L93 Difference]: Finished difference Result 126917 states and 200888 transitions. [2022-10-16 15:20:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 15:20:48,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 15:20:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:48,263 INFO L225 Difference]: With dead ends: 126917 [2022-10-16 15:20:48,263 INFO L226 Difference]: Without dead ends: 126914 [2022-10-16 15:20:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:20:48,294 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 2517 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:48,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 674 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126914 states. [2022-10-16 15:20:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126914 to 126812. [2022-10-16 15:20:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126812 states, 126776 states have (on average 1.5694453208809238) internal successors, (198968), 126811 states have internal predecessors, (198968), 0 states have call successors, (0), 0 states 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 15:20:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126812 states to 126812 states and 198968 transitions. [2022-10-16 15:20:54,662 INFO L78 Accepts]: Start accepts. Automaton has 126812 states and 198968 transitions. Word has length 93 [2022-10-16 15:20:54,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:54,662 INFO L495 AbstractCegarLoop]: Abstraction has 126812 states and 198968 transitions. [2022-10-16 15:20:54,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 15:20:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 126812 states and 198968 transitions. [2022-10-16 15:20:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:20:54,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:54,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:20:54,663 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:20:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash 9596322, now seen corresponding path program 1 times [2022-10-16 15:20:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:54,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127706786] [2022-10-16 15:20:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:54,857 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 15:20:54,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:54,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127706786] [2022-10-16 15:20:54,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127706786] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:54,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:54,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:20:54,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287801441] [2022-10-16 15:20:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:54,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:20:54,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:54,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:20:54,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:20:54,860 INFO L87 Difference]: Start difference. First operand 126812 states and 198968 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 15:21:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:02,319 INFO L93 Difference]: Finished difference Result 179729 states and 282616 transitions. [2022-10-16 15:21:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:21:02,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 15:21:02,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:02,628 INFO L225 Difference]: With dead ends: 179729 [2022-10-16 15:21:02,629 INFO L226 Difference]: Without dead ends: 179726 [2022-10-16 15:21:02,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:02,668 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 3237 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3237 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:02,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3237 Valid, 1003 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:21:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179726 states. [2022-10-16 15:21:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179726 to 137372. [2022-10-16 15:21:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137372 states, 137336 states have (on average 1.5554843595269994) internal successors, (213624), 137371 states have internal predecessors, (213624), 0 states have call successors, (0), 0 states 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 15:21:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137372 states to 137372 states and 213624 transitions. [2022-10-16 15:21:09,669 INFO L78 Accepts]: Start accepts. Automaton has 137372 states and 213624 transitions. Word has length 94 [2022-10-16 15:21:09,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:09,669 INFO L495 AbstractCegarLoop]: Abstraction has 137372 states and 213624 transitions. [2022-10-16 15:21:09,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 15:21:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 137372 states and 213624 transitions. [2022-10-16 15:21:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:21:09,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:09,670 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] [2022-10-16 15:21:09,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:21:09,670 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:21:09,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash 297486594, now seen corresponding path program 1 times [2022-10-16 15:21:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:09,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295803614] [2022-10-16 15:21:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:10,156 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 15:21:10,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:10,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295803614] [2022-10-16 15:21:10,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295803614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:10,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:10,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:21:10,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385970764] [2022-10-16 15:21:10,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:10,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:21:10,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:10,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:21:10,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:10,159 INFO L87 Difference]: Start difference. First operand 137372 states and 213624 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 15:21:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,922 INFO L93 Difference]: Finished difference Result 179735 states and 277624 transitions. [2022-10-16 15:21:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 15:21:17,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 15:21:17,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:18,197 INFO L225 Difference]: With dead ends: 179735 [2022-10-16 15:21:18,197 INFO L226 Difference]: Without dead ends: 179732 [2022-10-16 15:21:18,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:18,235 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 3338 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:18,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 837 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:21:18,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179732 states. [2022-10-16 15:21:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179732 to 179612. [2022-10-16 15:21:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179612 states, 179576 states have (on average 1.5331670156368333) internal successors, (275320), 179611 states have internal predecessors, (275320), 0 states have call successors, (0), 0 states 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 15:21:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179612 states to 179612 states and 275320 transitions. [2022-10-16 15:21:27,932 INFO L78 Accepts]: Start accepts. Automaton has 179612 states and 275320 transitions. Word has length 95 [2022-10-16 15:21:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:27,932 INFO L495 AbstractCegarLoop]: Abstraction has 179612 states and 275320 transitions. [2022-10-16 15:21:27,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 15:21:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 179612 states and 275320 transitions. [2022-10-16 15:21:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:21:27,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:27,934 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] [2022-10-16 15:21:27,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:21:27,934 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:21:27,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 632150436, now seen corresponding path program 1 times [2022-10-16 15:21:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:27,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116733563] [2022-10-16 15:21:27,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:28,118 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 15:21:28,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:28,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116733563] [2022-10-16 15:21:28,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116733563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:28,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:28,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 15:21:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427563282] [2022-10-16 15:21:28,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:28,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 15:21:28,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 15:21:28,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:21:28,121 INFO L87 Difference]: Start difference. First operand 179612 states and 275320 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 15:21:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:51,316 INFO L93 Difference]: Finished difference Result 644504 states and 995448 transitions. [2022-10-16 15:21:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 15:21:51,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 15:21:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:52,442 INFO L225 Difference]: With dead ends: 644504 [2022-10-16 15:21:52,442 INFO L226 Difference]: Without dead ends: 464948 [2022-10-16 15:21:52,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 15:21:52,702 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 4688 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:52,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4688 Valid, 1830 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 15:21:53,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464948 states. [2022-10-16 15:22:12,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464948 to 359132. [2022-10-16 15:22:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359132 states, 359096 states have (on average 1.502951856885067) internal successors, (539704), 359131 states have internal predecessors, (539704), 0 states have call successors, (0), 0 states 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 15:22:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359132 states to 359132 states and 539704 transitions. [2022-10-16 15:22:14,911 INFO L78 Accepts]: Start accepts. Automaton has 359132 states and 539704 transitions. Word has length 96 [2022-10-16 15:22:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:14,911 INFO L495 AbstractCegarLoop]: Abstraction has 359132 states and 539704 transitions. [2022-10-16 15:22:14,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 15:22:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 359132 states and 539704 transitions. [2022-10-16 15:22:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:22:14,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:14,912 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] [2022-10-16 15:22:14,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:22:14,913 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:22:14,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:14,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1878172348, now seen corresponding path program 1 times [2022-10-16 15:22:14,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:14,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165989108] [2022-10-16 15:22:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:15,115 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 15:22:15,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:15,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165989108] [2022-10-16 15:22:15,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165989108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:15,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:15,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 15:22:15,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457897905] [2022-10-16 15:22:15,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:15,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 15:22:15,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 15:22:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:22:15,118 INFO L87 Difference]: Start difference. First operand 359132 states and 539704 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 15:22:41,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:41,671 INFO L93 Difference]: Finished difference Result 528335 states and 800696 transitions. [2022-10-16 15:22:41,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 15:22:41,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 15:22:41,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:42,883 INFO L225 Difference]: With dead ends: 528335 [2022-10-16 15:22:42,884 INFO L226 Difference]: Without dead ends: 528332 [2022-10-16 15:22:43,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 15:22:43,043 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 5278 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5278 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:43,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5278 Valid, 1327 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 15:22:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528332 states. [2022-10-16 15:23:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528332 to 528092. [2022-10-16 15:23:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528092 states, 528056 states have (on average 1.4915842259154333) internal successors, (787640), 528091 states have internal predecessors, (787640), 0 states have call successors, (0), 0 states 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 15:23:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528092 states to 528092 states and 787640 transitions. [2022-10-16 15:23:15,544 INFO L78 Accepts]: Start accepts. Automaton has 528092 states and 787640 transitions. Word has length 97 [2022-10-16 15:23:15,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:15,544 INFO L495 AbstractCegarLoop]: Abstraction has 528092 states and 787640 transitions. [2022-10-16 15:23:15,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 15:23:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 528092 states and 787640 transitions. [2022-10-16 15:23:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:23:15,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:15,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:15,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:23:15,565 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 15:23:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:15,566 INFO L85 PathProgramCache]: Analyzing trace with hash 176880667, now seen corresponding path program 1 times [2022-10-16 15:23:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:15,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864480740] [2022-10-16 15:23:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:15,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:15,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:15,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864480740] [2022-10-16 15:23:15,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864480740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:15,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:15,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517940231] [2022-10-16 15:23:15,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:15,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:15,673 INFO L87 Difference]: Start difference. First operand 528092 states and 787640 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)