/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:40:29,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:40:29,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:40:29,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:40:29,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:40:29,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:40:29,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:40:29,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:40:29,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:40:29,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:40:29,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:40:29,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:40:29,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:40:29,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:40:29,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:40:29,516 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 16:40:29,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:40:29,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:40:29,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:40:29,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:40:29,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:40:29,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:40:29,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:40:29,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:40:29,559 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:40:29,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:40:29,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:40:29,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:40:29,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:40:29,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:40:29,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:40:29,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:40:29,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:40:29,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:40:29,562 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:40:29,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:40:29,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:40:29,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:40:29,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:40:29,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:40:29,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:40:29,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:40:29,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:40:29,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:40:29,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:40:29,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:40:29,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:40:29,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:40:29,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:40:29,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:40:29,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:40:30,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:40:30,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:40:30,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:40:30,010 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:40:30,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:40:30,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8e5eea0/de6c5b481686465abd473d1ffb234741/FLAG2e2ab0f27 [2022-10-16 16:40:30,793 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:40:30,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:40:30,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8e5eea0/de6c5b481686465abd473d1ffb234741/FLAG2e2ab0f27 [2022-10-16 16:40:31,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8e5eea0/de6c5b481686465abd473d1ffb234741 [2022-10-16 16:40:31,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:40:31,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:40:31,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:40:31,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:40:31,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:40:31,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67248a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31, skipping insertion in model container [2022-10-16 16:40:31,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:40:31,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:40:31,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2022-10-16 16:40:31,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:40:31,587 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:40:31,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7806,7819] [2022-10-16 16:40:31,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:40:31,693 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:40:31,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31 WrapperNode [2022-10-16 16:40:31,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:40:31,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:40:31,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:40:31,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:40:31,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,772 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 667 [2022-10-16 16:40:31,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:40:31,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:40:31,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:40:31,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:40:31,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:40:31,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:40:31,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:40:31,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:40:31,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (1/1) ... [2022-10-16 16:40:31,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:40:31,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:40:31,914 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 16:40:31,934 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 16:40:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:40:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:40:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:40:32,192 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:40:32,194 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:40:33,060 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:40:33,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:40:33,086 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:40:33,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:40:33 BoogieIcfgContainer [2022-10-16 16:40:33,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:40:33,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:40:33,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:40:33,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:40:33,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:40:31" (1/3) ... [2022-10-16 16:40:33,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5738840a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:40:33, skipping insertion in model container [2022-10-16 16:40:33,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:40:31" (2/3) ... [2022-10-16 16:40:33,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5738840a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:40:33, skipping insertion in model container [2022-10-16 16:40:33,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:40:33" (3/3) ... [2022-10-16 16:40:33,104 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 16:40:33,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:40:33,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 16:40:33,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:40:33,232 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;@5bdf24d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:40:33,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 16:40:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 180 states have (on average 1.8055555555555556) internal successors, (325), 214 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:40:33,262 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:33,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:33,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:33,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1140953183, now seen corresponding path program 1 times [2022-10-16 16:40:33,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:33,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567071018] [2022-10-16 16:40:33,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:40:33,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:33,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567071018] [2022-10-16 16:40:33,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567071018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:33,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:33,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:33,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723642255] [2022-10-16 16:40:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:33,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:33,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:33,839 INFO L87 Difference]: Start difference. First operand has 215 states, 180 states have (on average 1.8055555555555556) internal successors, (325), 214 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:33,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:33,953 INFO L93 Difference]: Finished difference Result 505 states and 722 transitions. [2022-10-16 16:40:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:33,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 16:40:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:33,985 INFO L225 Difference]: With dead ends: 505 [2022-10-16 16:40:33,986 INFO L226 Difference]: Without dead ends: 341 [2022-10-16 16:40:33,990 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 16:40:33,995 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 203 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:33,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 778 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:34,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-16 16:40:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 309. [2022-10-16 16:40:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 275 states have (on average 1.6836363636363636) internal successors, (463), 308 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 463 transitions. [2022-10-16 16:40:34,086 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 463 transitions. Word has length 48 [2022-10-16 16:40:34,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:34,087 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 463 transitions. [2022-10-16 16:40:34,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 463 transitions. [2022-10-16 16:40:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:40:34,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:34,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:34,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:40:34,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:34,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:34,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1192367967, now seen corresponding path program 1 times [2022-10-16 16:40:34,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:34,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667213723] [2022-10-16 16:40:34,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:34,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:34,354 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 16:40:34,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:34,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667213723] [2022-10-16 16:40:34,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667213723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:34,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:34,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203943690] [2022-10-16 16:40:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:34,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:34,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:34,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:34,365 INFO L87 Difference]: Start difference. First operand 309 states and 463 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:34,459 INFO L93 Difference]: Finished difference Result 690 states and 1034 transitions. [2022-10-16 16:40:34,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:34,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 16:40:34,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:34,464 INFO L225 Difference]: With dead ends: 690 [2022-10-16 16:40:34,464 INFO L226 Difference]: Without dead ends: 438 [2022-10-16 16:40:34,466 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 16:40:34,468 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 172 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:34,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 529 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:34,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-10-16 16:40:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 413. [2022-10-16 16:40:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 379 states have (on average 1.683377308707124) internal successors, (638), 412 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 638 transitions. [2022-10-16 16:40:34,521 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 638 transitions. Word has length 52 [2022-10-16 16:40:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:34,522 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 638 transitions. [2022-10-16 16:40:34,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,523 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 638 transitions. [2022-10-16 16:40:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:40:34,525 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:34,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:34,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:40:34,526 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:34,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash 258375616, now seen corresponding path program 1 times [2022-10-16 16:40:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:34,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303273828] [2022-10-16 16:40:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:34,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:34,640 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 16:40:34,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:34,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303273828] [2022-10-16 16:40:34,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303273828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:34,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:34,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:34,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143893664] [2022-10-16 16:40:34,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:34,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:34,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:34,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:34,644 INFO L87 Difference]: Start difference. First operand 413 states and 638 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:34,705 INFO L93 Difference]: Finished difference Result 1047 states and 1637 transitions. [2022-10-16 16:40:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:34,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 16:40:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:34,710 INFO L225 Difference]: With dead ends: 1047 [2022-10-16 16:40:34,711 INFO L226 Difference]: Without dead ends: 693 [2022-10-16 16:40:34,712 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 16:40:34,714 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 188 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:34,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 692 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-16 16:40:34,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 661. [2022-10-16 16:40:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 627 states have (on average 1.711323763955343) internal successors, (1073), 660 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1073 transitions. [2022-10-16 16:40:34,771 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1073 transitions. Word has length 54 [2022-10-16 16:40:34,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:34,774 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1073 transitions. [2022-10-16 16:40:34,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1073 transitions. [2022-10-16 16:40:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:40:34,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:34,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:34,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:40:34,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:34,788 INFO L85 PathProgramCache]: Analyzing trace with hash -707003036, now seen corresponding path program 1 times [2022-10-16 16:40:34,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:34,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154627628] [2022-10-16 16:40:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:34,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:34,972 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 16:40:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:34,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154627628] [2022-10-16 16:40:34,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154627628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:34,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:34,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148505997] [2022-10-16 16:40:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:34,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:34,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:34,980 INFO L87 Difference]: Start difference. First operand 661 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:35,073 INFO L93 Difference]: Finished difference Result 1607 states and 2612 transitions. [2022-10-16 16:40:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:35,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:40:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:35,083 INFO L225 Difference]: With dead ends: 1607 [2022-10-16 16:40:35,083 INFO L226 Difference]: Without dead ends: 1005 [2022-10-16 16:40:35,088 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 16:40:35,101 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 190 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:35,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 542 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-10-16 16:40:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 970. [2022-10-16 16:40:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 936 states have (on average 1.7136752136752136) internal successors, (1604), 969 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1604 transitions. [2022-10-16 16:40:35,203 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1604 transitions. Word has length 58 [2022-10-16 16:40:35,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:35,206 INFO L495 AbstractCegarLoop]: Abstraction has 970 states and 1604 transitions. [2022-10-16 16:40:35,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1604 transitions. [2022-10-16 16:40:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:40:35,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:35,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:35,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:40:35,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash 226705733, now seen corresponding path program 1 times [2022-10-16 16:40:35,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:35,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483864052] [2022-10-16 16:40:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:35,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:40:35,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:35,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483864052] [2022-10-16 16:40:35,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483864052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:35,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:35,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:35,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939623853] [2022-10-16 16:40:35,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:35,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:35,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:35,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:35,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:35,373 INFO L87 Difference]: Start difference. First operand 970 states and 1604 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:35,513 INFO L93 Difference]: Finished difference Result 2542 states and 4241 transitions. [2022-10-16 16:40:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:35,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 16:40:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:35,527 INFO L225 Difference]: With dead ends: 2542 [2022-10-16 16:40:35,528 INFO L226 Difference]: Without dead ends: 1647 [2022-10-16 16:40:35,529 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 16:40:35,534 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 182 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:35,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 669 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:35,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-10-16 16:40:35,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1615. [2022-10-16 16:40:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1581 states have (on average 1.726122707147375) internal successors, (2729), 1614 states have internal predecessors, (2729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2729 transitions. [2022-10-16 16:40:35,664 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2729 transitions. Word has length 60 [2022-10-16 16:40:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:35,665 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 2729 transitions. [2022-10-16 16:40:35,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2729 transitions. [2022-10-16 16:40:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:40:35,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:35,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:35,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:40:35,669 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:35,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2029925932, now seen corresponding path program 1 times [2022-10-16 16:40:35,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:35,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069723485] [2022-10-16 16:40:35,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:35,826 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 16:40:35,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:35,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069723485] [2022-10-16 16:40:35,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069723485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:35,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:35,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:35,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875934376] [2022-10-16 16:40:35,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:35,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:40:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:35,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:40:35,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:40:35,828 INFO L87 Difference]: Start difference. First operand 1615 states and 2729 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:36,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:36,018 INFO L93 Difference]: Finished difference Result 3992 states and 6758 transitions. [2022-10-16 16:40:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:40:36,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 16:40:36,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:36,034 INFO L225 Difference]: With dead ends: 3992 [2022-10-16 16:40:36,034 INFO L226 Difference]: Without dead ends: 2452 [2022-10-16 16:40:36,037 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 16:40:36,040 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 184 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:36,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 543 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:40:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2022-10-16 16:40:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2411. [2022-10-16 16:40:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2377 states have (on average 1.7223390828775769) internal successors, (4094), 2410 states have internal predecessors, (4094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 4094 transitions. [2022-10-16 16:40:36,239 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 4094 transitions. Word has length 63 [2022-10-16 16:40:36,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:36,240 INFO L495 AbstractCegarLoop]: Abstraction has 2411 states and 4094 transitions. [2022-10-16 16:40:36,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 4094 transitions. [2022-10-16 16:40:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:40:36,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:36,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:36,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:40:36,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:36,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:36,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1958079443, now seen corresponding path program 1 times [2022-10-16 16:40:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:36,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159461842] [2022-10-16 16:40:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:36,456 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 16:40:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:36,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159461842] [2022-10-16 16:40:36,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159461842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:36,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:36,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:36,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490040017] [2022-10-16 16:40:36,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:36,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:36,461 INFO L87 Difference]: Start difference. First operand 2411 states and 4094 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:37,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:37,007 INFO L93 Difference]: Finished difference Result 5548 states and 9494 transitions. [2022-10-16 16:40:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:40:37,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:40:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:37,040 INFO L225 Difference]: With dead ends: 5548 [2022-10-16 16:40:37,040 INFO L226 Difference]: Without dead ends: 5545 [2022-10-16 16:40:37,046 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 16:40:37,051 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 628 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:37,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 873 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:40:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2022-10-16 16:40:37,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 4451. [2022-10-16 16:40:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 4417 states have (on average 1.7174552863934798) internal successors, (7586), 4450 states have internal predecessors, (7586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 7586 transitions. [2022-10-16 16:40:37,449 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 7586 transitions. Word has length 65 [2022-10-16 16:40:37,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:37,450 INFO L495 AbstractCegarLoop]: Abstraction has 4451 states and 7586 transitions. [2022-10-16 16:40:37,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 7586 transitions. [2022-10-16 16:40:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:40:37,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:37,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:37,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:40:37,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:37,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:37,452 INFO L85 PathProgramCache]: Analyzing trace with hash 570920848, now seen corresponding path program 1 times [2022-10-16 16:40:37,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:37,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45538768] [2022-10-16 16:40:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:37,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:37,580 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 16:40:37,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:37,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45538768] [2022-10-16 16:40:37,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45538768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:37,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:37,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:37,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125767891] [2022-10-16 16:40:37,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:37,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:37,583 INFO L87 Difference]: Start difference. First operand 4451 states and 7586 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:38,072 INFO L93 Difference]: Finished difference Result 5514 states and 9422 transitions. [2022-10-16 16:40:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:40:38,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 16:40:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:38,103 INFO L225 Difference]: With dead ends: 5514 [2022-10-16 16:40:38,104 INFO L226 Difference]: Without dead ends: 5511 [2022-10-16 16:40:38,106 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 16:40:38,107 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 621 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:38,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 539 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:40:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2022-10-16 16:40:38,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 5483. [2022-10-16 16:40:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5449 states have (on average 1.707102220590934) internal successors, (9302), 5482 states have internal predecessors, (9302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 9302 transitions. [2022-10-16 16:40:38,560 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 9302 transitions. Word has length 66 [2022-10-16 16:40:38,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:38,560 INFO L495 AbstractCegarLoop]: Abstraction has 5483 states and 9302 transitions. [2022-10-16 16:40:38,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 9302 transitions. [2022-10-16 16:40:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:40:38,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:38,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:38,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:40:38,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 518677365, now seen corresponding path program 1 times [2022-10-16 16:40:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:38,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251532754] [2022-10-16 16:40:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:38,685 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 16:40:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:38,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251532754] [2022-10-16 16:40:38,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251532754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:38,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:38,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:40:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948080535] [2022-10-16 16:40:38,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:38,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:40:38,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:38,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:40:38,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:40:38,688 INFO L87 Difference]: Start difference. First operand 5483 states and 9302 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:39,892 INFO L93 Difference]: Finished difference Result 17555 states and 29807 transitions. [2022-10-16 16:40:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:40:39,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 16:40:39,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:39,949 INFO L225 Difference]: With dead ends: 17555 [2022-10-16 16:40:39,949 INFO L226 Difference]: Without dead ends: 12163 [2022-10-16 16:40:39,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:40:39,962 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1379 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:39,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 1776 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:40:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12163 states. [2022-10-16 16:40:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12163 to 9965. [2022-10-16 16:40:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9965 states, 9931 states have (on average 1.6861343268553015) internal successors, (16745), 9964 states have internal predecessors, (16745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9965 states to 9965 states and 16745 transitions. [2022-10-16 16:40:40,855 INFO L78 Accepts]: Start accepts. Automaton has 9965 states and 16745 transitions. Word has length 67 [2022-10-16 16:40:40,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:40,855 INFO L495 AbstractCegarLoop]: Abstraction has 9965 states and 16745 transitions. [2022-10-16 16:40:40,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 9965 states and 16745 transitions. [2022-10-16 16:40:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:40:40,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:40,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:40,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:40:40,857 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:40,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:40,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1100870606, now seen corresponding path program 1 times [2022-10-16 16:40:40,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:40,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052241371] [2022-10-16 16:40:40,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:40,979 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 16:40:40,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:40,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052241371] [2022-10-16 16:40:40,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052241371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:40,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:40,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:40:40,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819717527] [2022-10-16 16:40:40,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:40,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:40:40,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:40:40,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:40:40,982 INFO L87 Difference]: Start difference. First operand 9965 states and 16745 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:42,335 INFO L93 Difference]: Finished difference Result 13070 states and 22019 transitions. [2022-10-16 16:40:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:40:42,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 16:40:42,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:42,394 INFO L225 Difference]: With dead ends: 13070 [2022-10-16 16:40:42,394 INFO L226 Difference]: Without dead ends: 13067 [2022-10-16 16:40:42,402 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 16:40:42,403 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1270 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:42,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 1019 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:40:42,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13067 states. [2022-10-16 16:40:43,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13067 to 12989. [2022-10-16 16:40:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12989 states, 12955 states have (on average 1.6746429949826322) internal successors, (21695), 12988 states have internal predecessors, (21695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12989 states to 12989 states and 21695 transitions. [2022-10-16 16:40:43,424 INFO L78 Accepts]: Start accepts. Automaton has 12989 states and 21695 transitions. Word has length 68 [2022-10-16 16:40:43,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:43,424 INFO L495 AbstractCegarLoop]: Abstraction has 12989 states and 21695 transitions. [2022-10-16 16:40:43,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12989 states and 21695 transitions. [2022-10-16 16:40:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:40:43,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:43,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:43,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:40:43,427 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:43,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:43,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1374689036, now seen corresponding path program 1 times [2022-10-16 16:40:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952932960] [2022-10-16 16:40:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:43,519 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 16:40:43,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:43,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952932960] [2022-10-16 16:40:43,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952932960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:43,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:43,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:43,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488599786] [2022-10-16 16:40:43,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:43,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:43,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:43,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:43,522 INFO L87 Difference]: Start difference. First operand 12989 states and 21695 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:45,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:45,086 INFO L93 Difference]: Finished difference Result 34737 states and 58049 transitions. [2022-10-16 16:40:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:40:45,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:40:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:45,156 INFO L225 Difference]: With dead ends: 34737 [2022-10-16 16:40:45,156 INFO L226 Difference]: Without dead ends: 21839 [2022-10-16 16:40:45,178 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 16:40:45,179 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 613 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:45,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 869 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:40:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21839 states. [2022-10-16 16:40:46,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21839 to 18650. [2022-10-16 16:40:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18650 states, 18616 states have (on average 1.662387193811775) internal successors, (30947), 18649 states have internal predecessors, (30947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18650 states to 18650 states and 30947 transitions. [2022-10-16 16:40:46,521 INFO L78 Accepts]: Start accepts. Automaton has 18650 states and 30947 transitions. Word has length 70 [2022-10-16 16:40:46,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:46,522 INFO L495 AbstractCegarLoop]: Abstraction has 18650 states and 30947 transitions. [2022-10-16 16:40:46,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 18650 states and 30947 transitions. [2022-10-16 16:40:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:40:46,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:46,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:46,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:40:46,524 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:46,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash 334313114, now seen corresponding path program 1 times [2022-10-16 16:40:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:46,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787911328] [2022-10-16 16:40:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:46,618 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 16:40:46,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:46,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787911328] [2022-10-16 16:40:46,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787911328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:46,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:46,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690017636] [2022-10-16 16:40:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:46,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:46,621 INFO L87 Difference]: Start difference. First operand 18650 states and 30947 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:47,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:47,944 INFO L93 Difference]: Finished difference Result 26477 states and 44333 transitions. [2022-10-16 16:40:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:40:47,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:40:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:48,029 INFO L225 Difference]: With dead ends: 26477 [2022-10-16 16:40:48,030 INFO L226 Difference]: Without dead ends: 26476 [2022-10-16 16:40:48,040 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 16:40:48,041 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 602 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:48,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 517 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:40:48,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26476 states. [2022-10-16 16:40:49,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26476 to 26399. [2022-10-16 16:40:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26399 states, 26365 states have (on average 1.6697894936468802) internal successors, (44024), 26398 states have internal predecessors, (44024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26399 states to 26399 states and 44024 transitions. [2022-10-16 16:40:49,918 INFO L78 Accepts]: Start accepts. Automaton has 26399 states and 44024 transitions. Word has length 71 [2022-10-16 16:40:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:49,919 INFO L495 AbstractCegarLoop]: Abstraction has 26399 states and 44024 transitions. [2022-10-16 16:40:49,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 26399 states and 44024 transitions. [2022-10-16 16:40:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:40:49,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:49,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:49,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:40:49,921 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash -847635908, now seen corresponding path program 1 times [2022-10-16 16:40:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:49,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443642506] [2022-10-16 16:40:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:50,058 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 16:40:50,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:50,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443642506] [2022-10-16 16:40:50,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443642506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:50,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:50,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585032521] [2022-10-16 16:40:50,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:50,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:50,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:50,061 INFO L87 Difference]: Start difference. First operand 26399 states and 44024 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:52,699 INFO L93 Difference]: Finished difference Result 69289 states and 115963 transitions. [2022-10-16 16:40:52,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:40:52,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:40:52,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:52,816 INFO L225 Difference]: With dead ends: 69289 [2022-10-16 16:40:52,816 INFO L226 Difference]: Without dead ends: 42981 [2022-10-16 16:40:52,976 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 16:40:52,977 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 619 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:52,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 787 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:40:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42981 states. [2022-10-16 16:40:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42981 to 36680. [2022-10-16 16:40:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36680 states, 36646 states have (on average 1.6617366151831032) internal successors, (60896), 36679 states have internal predecessors, (60896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36680 states to 36680 states and 60896 transitions. [2022-10-16 16:40:55,689 INFO L78 Accepts]: Start accepts. Automaton has 36680 states and 60896 transitions. Word has length 73 [2022-10-16 16:40:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:55,690 INFO L495 AbstractCegarLoop]: Abstraction has 36680 states and 60896 transitions. [2022-10-16 16:40:55,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 36680 states and 60896 transitions. [2022-10-16 16:40:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:40:55,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:55,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:55,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:40:55,691 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:40:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash -506909095, now seen corresponding path program 1 times [2022-10-16 16:40:55,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:55,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011528294] [2022-10-16 16:40:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:55,803 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 16:40:55,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:55,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011528294] [2022-10-16 16:40:55,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011528294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:55,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:55,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:40:55,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784075487] [2022-10-16 16:40:55,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:55,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:40:55,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:40:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:40:55,806 INFO L87 Difference]: Start difference. First operand 36680 states and 60896 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:58,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:58,959 INFO L93 Difference]: Finished difference Result 53465 states and 89252 transitions. [2022-10-16 16:40:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:40:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:40:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:59,095 INFO L225 Difference]: With dead ends: 53465 [2022-10-16 16:40:59,095 INFO L226 Difference]: Without dead ends: 53464 [2022-10-16 16:40:59,114 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 16:40:59,115 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 619 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:59,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 516 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:40:59,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53464 states. [2022-10-16 16:41:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53464 to 53333. [2022-10-16 16:41:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53333 states, 53299 states have (on average 1.6627516463723522) internal successors, (88623), 53332 states have internal predecessors, (88623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53333 states to 53333 states and 88623 transitions. [2022-10-16 16:41:02,826 INFO L78 Accepts]: Start accepts. Automaton has 53333 states and 88623 transitions. Word has length 74 [2022-10-16 16:41:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:02,827 INFO L495 AbstractCegarLoop]: Abstraction has 53333 states and 88623 transitions. [2022-10-16 16:41:02,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 53333 states and 88623 transitions. [2022-10-16 16:41:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:41:02,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:02,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:02,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:41:02,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:41:02,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:02,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1808326885, now seen corresponding path program 1 times [2022-10-16 16:41:02,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:02,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687235890] [2022-10-16 16:41:02,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:02,944 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 16:41:02,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:02,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687235890] [2022-10-16 16:41:02,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687235890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:02,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:02,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:02,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067352415] [2022-10-16 16:41:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:02,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:02,947 INFO L87 Difference]: Start difference. First operand 53333 states and 88623 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:10,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:10,058 INFO L93 Difference]: Finished difference Result 171333 states and 285533 transitions. [2022-10-16 16:41:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:10,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:41:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:10,292 INFO L225 Difference]: With dead ends: 171333 [2022-10-16 16:41:10,292 INFO L226 Difference]: Without dead ends: 118091 [2022-10-16 16:41:10,357 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 16:41:10,359 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 615 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:10,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 883 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:10,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118091 states. [2022-10-16 16:41:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118091 to 85486. [2022-10-16 16:41:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85486 states, 85452 states have (on average 1.653384356129757) internal successors, (141285), 85485 states have internal predecessors, (141285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85486 states to 85486 states and 141285 transitions. [2022-10-16 16:41:17,126 INFO L78 Accepts]: Start accepts. Automaton has 85486 states and 141285 transitions. Word has length 76 [2022-10-16 16:41:17,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:17,126 INFO L495 AbstractCegarLoop]: Abstraction has 85486 states and 141285 transitions. [2022-10-16 16:41:17,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 85486 states and 141285 transitions. [2022-10-16 16:41:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:41:17,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:17,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:17,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:41:17,128 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:41:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:17,128 INFO L85 PathProgramCache]: Analyzing trace with hash -223558303, now seen corresponding path program 1 times [2022-10-16 16:41:17,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:17,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295946557] [2022-10-16 16:41:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:17,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:17,256 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 16:41:17,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:17,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295946557] [2022-10-16 16:41:17,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295946557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:17,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:17,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:17,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522097514] [2022-10-16 16:41:17,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:17,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:17,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:17,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:17,261 INFO L87 Difference]: Start difference. First operand 85486 states and 141285 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:25,164 INFO L93 Difference]: Finished difference Result 121975 states and 202101 transitions. [2022-10-16 16:41:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:41:25,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:41:25,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:25,540 INFO L225 Difference]: With dead ends: 121975 [2022-10-16 16:41:25,540 INFO L226 Difference]: Without dead ends: 121974 [2022-10-16 16:41:25,572 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 16:41:25,574 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 615 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:25,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 558 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:25,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121974 states. [2022-10-16 16:41:34,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121974 to 121724. [2022-10-16 16:41:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121724 states, 121690 states have (on average 1.6488618621086366) internal successors, (200650), 121723 states have internal predecessors, (200650), 0 states have call successors, (0), 0 states 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 16:41:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121724 states to 121724 states and 200650 transitions. [2022-10-16 16:41:34,752 INFO L78 Accepts]: Start accepts. Automaton has 121724 states and 200650 transitions. Word has length 77 [2022-10-16 16:41:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:34,752 INFO L495 AbstractCegarLoop]: Abstraction has 121724 states and 200650 transitions. [2022-10-16 16:41:34,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 121724 states and 200650 transitions. [2022-10-16 16:41:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:41:34,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:34,754 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 16:41:34,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:41:34,754 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:41:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash -206144925, now seen corresponding path program 1 times [2022-10-16 16:41:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:34,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342887134] [2022-10-16 16:41:34,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:34,884 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 16:41:34,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:34,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342887134] [2022-10-16 16:41:34,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342887134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:34,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:34,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:34,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014716374] [2022-10-16 16:41:34,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:34,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:34,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:34,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:34,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:34,887 INFO L87 Difference]: Start difference. First operand 121724 states and 200650 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 16:41:54,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:54,416 INFO L93 Difference]: Finished difference Result 277472 states and 461922 transitions. [2022-10-16 16:41:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:54,416 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 16:41:54,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:55,122 INFO L225 Difference]: With dead ends: 277472 [2022-10-16 16:41:55,122 INFO L226 Difference]: Without dead ends: 277470 [2022-10-16 16:41:55,202 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 16:41:55,203 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 603 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:55,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 903 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277470 states. [2022-10-16 16:42:13,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277470 to 220504. [2022-10-16 16:42:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220504 states, 220470 states have (on average 1.6480110672653876) internal successors, (363337), 220503 states have internal predecessors, (363337), 0 states have call successors, (0), 0 states 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 16:42:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220504 states to 220504 states and 363337 transitions. [2022-10-16 16:42:14,595 INFO L78 Accepts]: Start accepts. Automaton has 220504 states and 363337 transitions. Word has length 87 [2022-10-16 16:42:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:14,601 INFO L495 AbstractCegarLoop]: Abstraction has 220504 states and 363337 transitions. [2022-10-16 16:42:14,601 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 16:42:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 220504 states and 363337 transitions. [2022-10-16 16:42:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:42:14,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:14,602 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 16:42:14,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:42:14,603 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:42:14,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:14,603 INFO L85 PathProgramCache]: Analyzing trace with hash -206076405, now seen corresponding path program 1 times [2022-10-16 16:42:14,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:14,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730149253] [2022-10-16 16:42:14,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:14,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:14,827 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 16:42:14,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:14,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730149253] [2022-10-16 16:42:14,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730149253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:14,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:14,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:42:14,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526978811] [2022-10-16 16:42:14,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:14,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:14,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:14,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:14,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:14,829 INFO L87 Difference]: Start difference. First operand 220504 states and 363337 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 16:42:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:33,806 INFO L93 Difference]: Finished difference Result 440945 states and 726549 transitions. [2022-10-16 16:42:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:33,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 16:42:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:34,619 INFO L225 Difference]: With dead ends: 440945 [2022-10-16 16:42:34,619 INFO L226 Difference]: Without dead ends: 220532 [2022-10-16 16:42:34,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:42:34,812 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 594 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:34,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 714 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220532 states. [2022-10-16 16:42:52,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220532 to 220504. [2022-10-16 16:42:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220504 states, 220470 states have (on average 1.643661269106908) internal successors, (362378), 220503 states have internal predecessors, (362378), 0 states have call successors, (0), 0 states 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 16:42:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220504 states to 220504 states and 362378 transitions. [2022-10-16 16:42:53,778 INFO L78 Accepts]: Start accepts. Automaton has 220504 states and 362378 transitions. Word has length 87 [2022-10-16 16:42:53,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:53,779 INFO L495 AbstractCegarLoop]: Abstraction has 220504 states and 362378 transitions. [2022-10-16 16:42:53,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 16:42:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand 220504 states and 362378 transitions. [2022-10-16 16:42:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:42:53,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:53,780 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 16:42:53,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:42:53,781 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:42:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:53,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2095525045, now seen corresponding path program 1 times [2022-10-16 16:42:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:53,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87435379] [2022-10-16 16:42:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:53,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:53,923 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 16:42:53,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:53,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87435379] [2022-10-16 16:42:53,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87435379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:53,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:53,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:53,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774709291] [2022-10-16 16:42:53,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:53,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:53,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:53,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:53,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:53,927 INFO L87 Difference]: Start difference. First operand 220504 states and 362378 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 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 16:43:16,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:16,104 INFO L93 Difference]: Finished difference Result 281156 states and 464302 transitions. [2022-10-16 16:43:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:16,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 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 16:43:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:16,956 INFO L225 Difference]: With dead ends: 281156 [2022-10-16 16:43:16,957 INFO L226 Difference]: Without dead ends: 281154 [2022-10-16 16:43:17,032 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 16:43:17,035 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 600 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:17,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 565 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:17,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281154 states.