/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_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:38:20,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:38:20,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:38:20,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:38:20,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:38:20,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:38:20,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:38:20,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:38:20,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:38:20,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:38:20,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:38:20,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:38:20,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:38:20,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:38:20,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:38:20,752 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 16:38:20,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:38:20,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:38:20,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:38:20,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:38:20,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:38:20,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:38:20,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:38:20,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:38:20,783 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:38:20,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:38:20,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:38:20,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:38:20,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:38:20,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:38:20,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:38:20,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:38:20,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:38:20,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:38:20,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:38:20,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:38:20,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:38:20,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:38:20,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:38:20,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:38:20,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:38:20,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:38:20,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:38:20,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:38:20,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:38:20,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:38:20,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:38:20,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:38:20,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:38:20,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:38:21,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:38:21,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:38:21,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:38:21,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:38:21,218 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:38:21,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:38:21,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1550ae80/5f1ace6fbec04e6d99532fadbdae54f8/FLAG4164a42d9 [2022-10-16 16:38:21,965 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:38:21,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:38:21,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1550ae80/5f1ace6fbec04e6d99532fadbdae54f8/FLAG4164a42d9 [2022-10-16 16:38:22,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1550ae80/5f1ace6fbec04e6d99532fadbdae54f8 [2022-10-16 16:38:22,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:38:22,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:38:22,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:38:22,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:38:22,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:38:22,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d426a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22, skipping insertion in model container [2022-10-16 16:38:22,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:38:22,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:38:22,611 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_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[8640,8653] [2022-10-16 16:38:22,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:38:22,671 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:38:22,736 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_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[8640,8653] [2022-10-16 16:38:22,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:38:22,794 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:38:22,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22 WrapperNode [2022-10-16 16:38:22,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:38:22,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:38:22,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:38:22,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:38:22,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,875 INFO L138 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 701 [2022-10-16 16:38:22,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:38:22,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:38:22,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:38:22,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:38:22,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:38:22,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:38:22,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:38:22,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:38:22,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (1/1) ... [2022-10-16 16:38:22,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:38:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:38:22,989 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 16:38:23,014 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 16:38:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:38:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:38:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:38:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:38:23,238 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:38:23,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:38:24,284 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:38:24,302 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:38:24,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:38:24,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:38:24 BoogieIcfgContainer [2022-10-16 16:38:24,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:38:24,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:38:24,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:38:24,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:38:24,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:38:22" (1/3) ... [2022-10-16 16:38:24,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434142e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:38:24, skipping insertion in model container [2022-10-16 16:38:24,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:22" (2/3) ... [2022-10-16 16:38:24,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434142e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:38:24, skipping insertion in model container [2022-10-16 16:38:24,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:38:24" (3/3) ... [2022-10-16 16:38:24,323 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:38:24,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:38:24,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-16 16:38:24,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:38:24,453 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;@b59f555, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:38:24,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-16 16:38:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 199 states have (on average 1.8090452261306533) internal successors, (360), 243 states have internal predecessors, (360), 0 states have call successors, (0), 0 states 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 16:38:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:38:24,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:24,474 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 16:38:24,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:24,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2081266747, now seen corresponding path program 1 times [2022-10-16 16:38:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:24,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138105847] [2022-10-16 16:38:24,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:24,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:24,964 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 16:38:24,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:24,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138105847] [2022-10-16 16:38:24,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138105847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:24,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:24,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:38:24,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860632300] [2022-10-16 16:38:24,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:24,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:38:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:25,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:38:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:38:25,016 INFO L87 Difference]: Start difference. First operand has 244 states, 199 states have (on average 1.8090452261306533) internal successors, (360), 243 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 68.0) internal successors, (68), 2 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 16:38:25,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:25,058 INFO L93 Difference]: Finished difference Result 247 states and 362 transitions. [2022-10-16 16:38:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:38:25,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 68.0) internal successors, (68), 2 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 16:38:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:25,076 INFO L225 Difference]: With dead ends: 247 [2022-10-16 16:38:25,077 INFO L226 Difference]: Without dead ends: 239 [2022-10-16 16:38:25,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:38:25,085 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:25,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:25,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-10-16 16:38:25,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-10-16 16:38:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 197 states have (on average 1.4873096446700507) internal successors, (293), 238 states have internal predecessors, (293), 0 states have call successors, (0), 0 states 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 16:38:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 293 transitions. [2022-10-16 16:38:25,148 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 293 transitions. Word has length 68 [2022-10-16 16:38:25,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:25,149 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 293 transitions. [2022-10-16 16:38:25,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 68.0) internal successors, (68), 2 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 16:38:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 293 transitions. [2022-10-16 16:38:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:38:25,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:25,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:25,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:38:25,155 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:25,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1508792677, now seen corresponding path program 1 times [2022-10-16 16:38:25,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:25,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130447319] [2022-10-16 16:38:25,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:25,526 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 16:38:25,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:25,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130447319] [2022-10-16 16:38:25,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130447319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:25,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:25,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:25,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042289617] [2022-10-16 16:38:25,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:25,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:25,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:25,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:25,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:25,532 INFO L87 Difference]: Start difference. First operand 239 states and 293 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 16:38:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:25,650 INFO L93 Difference]: Finished difference Result 581 states and 738 transitions. [2022-10-16 16:38:25,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:25,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 16:38:25,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:25,658 INFO L225 Difference]: With dead ends: 581 [2022-10-16 16:38:25,659 INFO L226 Difference]: Without dead ends: 406 [2022-10-16 16:38:25,663 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 16:38:25,667 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 214 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 713 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 16:38:25,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 713 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:25,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-16 16:38:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 364. [2022-10-16 16:38:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 322 states have (on average 1.5776397515527951) internal successors, (508), 363 states have internal predecessors, (508), 0 states have call successors, (0), 0 states 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 16:38:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 508 transitions. [2022-10-16 16:38:25,741 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 508 transitions. Word has length 99 [2022-10-16 16:38:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:25,744 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 508 transitions. [2022-10-16 16:38:25,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 16:38:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2022-10-16 16:38:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:38:25,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:25,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:25,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:38:25,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:25,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash -761531565, now seen corresponding path program 1 times [2022-10-16 16:38:25,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:25,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014942886] [2022-10-16 16:38:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:25,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:26,039 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 16:38:26,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:26,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014942886] [2022-10-16 16:38:26,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014942886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:26,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:26,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:26,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484208014] [2022-10-16 16:38:26,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:26,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:26,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:26,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:26,043 INFO L87 Difference]: Start difference. First operand 364 states and 508 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 16:38:26,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:26,101 INFO L93 Difference]: Finished difference Result 948 states and 1370 transitions. [2022-10-16 16:38:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:26,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-16 16:38:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:26,108 INFO L225 Difference]: With dead ends: 948 [2022-10-16 16:38:26,108 INFO L226 Difference]: Without dead ends: 648 [2022-10-16 16:38:26,112 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 16:38:26,117 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 209 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 709 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 16:38:26,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 709 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2022-10-16 16:38:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 606. [2022-10-16 16:38:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 564 states have (on average 1.6382978723404256) internal successors, (924), 605 states have internal predecessors, (924), 0 states have call successors, (0), 0 states 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 16:38:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 924 transitions. [2022-10-16 16:38:26,165 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 924 transitions. Word has length 100 [2022-10-16 16:38:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:26,167 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 924 transitions. [2022-10-16 16:38:26,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 16:38:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 924 transitions. [2022-10-16 16:38:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 16:38:26,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:26,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:26,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:38:26,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -230251932, now seen corresponding path program 1 times [2022-10-16 16:38:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:26,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298591378] [2022-10-16 16:38:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:26,363 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 16:38:26,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:26,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298591378] [2022-10-16 16:38:26,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298591378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:26,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:26,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243781588] [2022-10-16 16:38:26,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:26,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:26,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:26,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:26,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:26,372 INFO L87 Difference]: Start difference. First operand 606 states and 924 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 16:38:26,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:26,479 INFO L93 Difference]: Finished difference Result 1658 states and 2592 transitions. [2022-10-16 16:38:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:26,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-16 16:38:26,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:26,493 INFO L225 Difference]: With dead ends: 1658 [2022-10-16 16:38:26,493 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 16:38:26,498 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 16:38:26,511 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 204 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 705 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 16:38:26,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 705 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:26,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 16:38:26,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1074. [2022-10-16 16:38:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1032 states have (on average 1.6744186046511629) internal successors, (1728), 1073 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states 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 16:38:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1728 transitions. [2022-10-16 16:38:26,588 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1728 transitions. Word has length 101 [2022-10-16 16:38:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:26,589 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 1728 transitions. [2022-10-16 16:38:26,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 16:38:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1728 transitions. [2022-10-16 16:38:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:38:26,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:26,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:26,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:38:26,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:26,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1809492656, now seen corresponding path program 1 times [2022-10-16 16:38:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:26,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581453873] [2022-10-16 16:38:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:26,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:26,749 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 16:38:26,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:26,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581453873] [2022-10-16 16:38:26,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581453873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:26,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:26,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:26,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437011364] [2022-10-16 16:38:26,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:26,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:26,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:26,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:26,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:26,755 INFO L87 Difference]: Start difference. First operand 1074 states and 1728 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 16:38:26,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:26,931 INFO L93 Difference]: Finished difference Result 3030 states and 4952 transitions. [2022-10-16 16:38:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:26,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 16:38:26,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:26,943 INFO L225 Difference]: With dead ends: 3030 [2022-10-16 16:38:26,944 INFO L226 Difference]: Without dead ends: 2020 [2022-10-16 16:38:26,946 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 16:38:26,951 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 199 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 701 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 16:38:26,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 701 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:26,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2022-10-16 16:38:27,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 1978. [2022-10-16 16:38:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1936 states have (on average 1.6942148760330578) internal successors, (3280), 1977 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states 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 16:38:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 3280 transitions. [2022-10-16 16:38:27,151 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 3280 transitions. Word has length 102 [2022-10-16 16:38:27,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:27,152 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 3280 transitions. [2022-10-16 16:38:27,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 16:38:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 3280 transitions. [2022-10-16 16:38:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:38:27,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:27,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:27,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:38:27,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash -67607147, now seen corresponding path program 1 times [2022-10-16 16:38:27,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:27,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415804790] [2022-10-16 16:38:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:27,341 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 16:38:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:27,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415804790] [2022-10-16 16:38:27,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415804790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:27,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:27,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:27,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680569699] [2022-10-16 16:38:27,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:27,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:27,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:27,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:27,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:27,344 INFO L87 Difference]: Start difference. First operand 1978 states and 3280 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 16:38:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:27,658 INFO L93 Difference]: Finished difference Result 5678 states and 9504 transitions. [2022-10-16 16:38:27,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:27,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-16 16:38:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:27,682 INFO L225 Difference]: With dead ends: 5678 [2022-10-16 16:38:27,682 INFO L226 Difference]: Without dead ends: 3764 [2022-10-16 16:38:27,685 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 16:38:27,687 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 194 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 697 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 16:38:27,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 697 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2022-10-16 16:38:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3722. [2022-10-16 16:38:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 3680 states have (on average 1.7043478260869565) internal successors, (6272), 3721 states have internal predecessors, (6272), 0 states have call successors, (0), 0 states 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 16:38:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 6272 transitions. [2022-10-16 16:38:28,043 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 6272 transitions. Word has length 103 [2022-10-16 16:38:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:28,043 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 6272 transitions. [2022-10-16 16:38:28,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 16:38:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 6272 transitions. [2022-10-16 16:38:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:38:28,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:28,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:28,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:38:28,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:28,048 INFO L85 PathProgramCache]: Analyzing trace with hash -369036880, now seen corresponding path program 1 times [2022-10-16 16:38:28,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:28,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685341347] [2022-10-16 16:38:28,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:28,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:28,185 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 16:38:28,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:28,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685341347] [2022-10-16 16:38:28,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685341347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:28,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:28,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:28,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973339462] [2022-10-16 16:38:28,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:28,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:28,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:28,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:28,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:28,188 INFO L87 Difference]: Start difference. First operand 3722 states and 6272 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 16:38:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:28,782 INFO L93 Difference]: Finished difference Result 10782 states and 18272 transitions. [2022-10-16 16:38:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:28,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 16:38:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:28,823 INFO L225 Difference]: With dead ends: 10782 [2022-10-16 16:38:28,823 INFO L226 Difference]: Without dead ends: 7124 [2022-10-16 16:38:28,830 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 16:38:28,831 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 189 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 693 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 16:38:28,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 693 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-10-16 16:38:29,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 7082. [2022-10-16 16:38:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7082 states, 7040 states have (on average 1.709090909090909) internal successors, (12032), 7081 states have internal predecessors, (12032), 0 states have call successors, (0), 0 states 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 16:38:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7082 states to 7082 states and 12032 transitions. [2022-10-16 16:38:29,435 INFO L78 Accepts]: Start accepts. Automaton has 7082 states and 12032 transitions. Word has length 104 [2022-10-16 16:38:29,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:29,468 INFO L495 AbstractCegarLoop]: Abstraction has 7082 states and 12032 transitions. [2022-10-16 16:38:29,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 16:38:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 7082 states and 12032 transitions. [2022-10-16 16:38:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:38:29,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:29,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:29,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:38:29,471 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:29,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2136010579, now seen corresponding path program 1 times [2022-10-16 16:38:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:29,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343274177] [2022-10-16 16:38:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:29,630 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 16:38:29,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:29,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343274177] [2022-10-16 16:38:29,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343274177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:29,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:29,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:29,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120559925] [2022-10-16 16:38:29,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:29,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:38:29,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:29,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:38:29,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:38:29,633 INFO L87 Difference]: Start difference. First operand 7082 states and 12032 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 16:38:30,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:30,570 INFO L93 Difference]: Finished difference Result 20606 states and 35136 transitions. [2022-10-16 16:38:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:38:30,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:38:30,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:30,642 INFO L225 Difference]: With dead ends: 20606 [2022-10-16 16:38:30,642 INFO L226 Difference]: Without dead ends: 13588 [2022-10-16 16:38:30,654 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 16:38:30,655 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 184 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 689 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 16:38:30,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 689 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:38:30,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13588 states. [2022-10-16 16:38:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13588 to 13546. [2022-10-16 16:38:31,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13546 states, 13504 states have (on average 1.7109004739336493) internal successors, (23104), 13545 states have internal predecessors, (23104), 0 states have call successors, (0), 0 states 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 16:38:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13546 states to 13546 states and 23104 transitions. [2022-10-16 16:38:31,734 INFO L78 Accepts]: Start accepts. Automaton has 13546 states and 23104 transitions. Word has length 105 [2022-10-16 16:38:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:31,734 INFO L495 AbstractCegarLoop]: Abstraction has 13546 states and 23104 transitions. [2022-10-16 16:38:31,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 16:38:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 13546 states and 23104 transitions. [2022-10-16 16:38:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:38:31,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:31,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:31,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:38:31,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1456474200, now seen corresponding path program 1 times [2022-10-16 16:38:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:31,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111080699] [2022-10-16 16:38:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:31,891 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 16:38:31,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:31,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111080699] [2022-10-16 16:38:31,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111080699] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:31,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:31,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:31,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870167660] [2022-10-16 16:38:31,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:31,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:31,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:31,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:31,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:31,894 INFO L87 Difference]: Start difference. First operand 13546 states and 23104 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 16:38:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:34,464 INFO L93 Difference]: Finished difference Result 40507 states and 69184 transitions. [2022-10-16 16:38:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:34,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 16:38:34,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:34,579 INFO L225 Difference]: With dead ends: 40507 [2022-10-16 16:38:34,579 INFO L226 Difference]: Without dead ends: 40504 [2022-10-16 16:38:34,589 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 16:38:34,590 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 692 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:34,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 576 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40504 states. [2022-10-16 16:38:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40504 to 26986. [2022-10-16 16:38:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26986 states, 26944 states have (on average 1.6983372921615203) internal successors, (45760), 26985 states have internal predecessors, (45760), 0 states have call successors, (0), 0 states 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 16:38:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26986 states to 26986 states and 45760 transitions. [2022-10-16 16:38:37,117 INFO L78 Accepts]: Start accepts. Automaton has 26986 states and 45760 transitions. Word has length 106 [2022-10-16 16:38:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:37,117 INFO L495 AbstractCegarLoop]: Abstraction has 26986 states and 45760 transitions. [2022-10-16 16:38:37,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 16:38:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26986 states and 45760 transitions. [2022-10-16 16:38:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:38:37,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:37,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:37,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:38:37,120 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:37,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2093939720, now seen corresponding path program 1 times [2022-10-16 16:38:37,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:37,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637250992] [2022-10-16 16:38:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:37,420 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 16:38:37,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:37,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637250992] [2022-10-16 16:38:37,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637250992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:37,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:37,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:37,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981223888] [2022-10-16 16:38:37,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:37,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:37,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:37,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:37,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:37,423 INFO L87 Difference]: Start difference. First operand 26986 states and 45760 transitions. Second operand has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 16:38:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:39,476 INFO L93 Difference]: Finished difference Result 40465 states and 68800 transitions. [2022-10-16 16:38:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:38:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:39,598 INFO L225 Difference]: With dead ends: 40465 [2022-10-16 16:38:39,598 INFO L226 Difference]: Without dead ends: 40462 [2022-10-16 16:38:39,611 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 16:38:39,612 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 685 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:39,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 347 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:38:39,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40462 states. [2022-10-16 16:38:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40462 to 40426. [2022-10-16 16:38:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40426 states, 40384 states have (on average 1.6846275752773376) internal successors, (68032), 40425 states have internal predecessors, (68032), 0 states have call successors, (0), 0 states 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 16:38:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40426 states to 40426 states and 68032 transitions. [2022-10-16 16:38:42,688 INFO L78 Accepts]: Start accepts. Automaton has 40426 states and 68032 transitions. Word has length 107 [2022-10-16 16:38:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:42,688 INFO L495 AbstractCegarLoop]: Abstraction has 40426 states and 68032 transitions. [2022-10-16 16:38:42,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 16:38:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 40426 states and 68032 transitions. [2022-10-16 16:38:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:38:42,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:42,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:42,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:38:42,690 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash -487621542, now seen corresponding path program 1 times [2022-10-16 16:38:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:42,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828030156] [2022-10-16 16:38:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:42,901 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 16:38:42,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828030156] [2022-10-16 16:38:42,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828030156] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:42,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:42,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901846314] [2022-10-16 16:38:42,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:42,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:42,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:42,903 INFO L87 Difference]: Start difference. First operand 40426 states and 68032 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 16:38:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:47,252 INFO L93 Difference]: Finished difference Result 67414 states and 112960 transitions. [2022-10-16 16:38:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:38:47,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 16:38:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:47,415 INFO L225 Difference]: With dead ends: 67414 [2022-10-16 16:38:47,415 INFO L226 Difference]: Without dead ends: 67411 [2022-10-16 16:38:47,429 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 16:38:47,430 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1371 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:47,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 829 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:38:47,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67411 states. [2022-10-16 16:38:50,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67411 to 53866. [2022-10-16 16:38:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53866 states, 53824 states have (on average 1.6706302021403092) internal successors, (89920), 53865 states have internal predecessors, (89920), 0 states have call successors, (0), 0 states 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 16:38:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53866 states to 53866 states and 89920 transitions. [2022-10-16 16:38:50,991 INFO L78 Accepts]: Start accepts. Automaton has 53866 states and 89920 transitions. Word has length 108 [2022-10-16 16:38:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:50,995 INFO L495 AbstractCegarLoop]: Abstraction has 53866 states and 89920 transitions. [2022-10-16 16:38:50,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 16:38:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 53866 states and 89920 transitions. [2022-10-16 16:38:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:38:50,997 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:50,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:50,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:38:50,998 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:38:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:51,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2063601722, now seen corresponding path program 1 times [2022-10-16 16:38:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:51,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233324043] [2022-10-16 16:38:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:51,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:51,374 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 16:38:51,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:51,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233324043] [2022-10-16 16:38:51,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233324043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:51,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:51,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:51,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718443098] [2022-10-16 16:38:51,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:51,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:51,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:51,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:51,377 INFO L87 Difference]: Start difference. First operand 53866 states and 89920 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 16:38:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:55,737 INFO L93 Difference]: Finished difference Result 67378 states and 112576 transitions. [2022-10-16 16:38:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:55,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:38:55,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:55,889 INFO L225 Difference]: With dead ends: 67378 [2022-10-16 16:38:55,889 INFO L226 Difference]: Without dead ends: 67375 [2022-10-16 16:38:55,908 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 16:38:55,909 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1213 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:55,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 579 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:55,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67375 states. [2022-10-16 16:39:00,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67375 to 67306. [2022-10-16 16:39:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67306 states, 67264 states have (on average 1.6565176022835395) internal successors, (111424), 67305 states have internal predecessors, (111424), 0 states have call successors, (0), 0 states 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 16:39:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67306 states to 67306 states and 111424 transitions. [2022-10-16 16:39:00,608 INFO L78 Accepts]: Start accepts. Automaton has 67306 states and 111424 transitions. Word has length 109 [2022-10-16 16:39:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:00,611 INFO L495 AbstractCegarLoop]: Abstraction has 67306 states and 111424 transitions. [2022-10-16 16:39:00,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 16:39:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 67306 states and 111424 transitions. [2022-10-16 16:39:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:39:00,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:00,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:00,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:39:00,615 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:39:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash -521278410, now seen corresponding path program 1 times [2022-10-16 16:39:00,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:00,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240164666] [2022-10-16 16:39:00,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:00,738 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 16:39:00,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:00,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240164666] [2022-10-16 16:39:00,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240164666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:00,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:00,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:39:00,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72120353] [2022-10-16 16:39:00,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:00,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:39:00,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:00,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:39:00,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:39:00,741 INFO L87 Difference]: Start difference. First operand 67306 states and 111424 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 16:39:08,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:08,205 INFO L93 Difference]: Finished difference Result 194750 states and 323264 transitions. [2022-10-16 16:39:08,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:39:08,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:39:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:08,468 INFO L225 Difference]: With dead ends: 194750 [2022-10-16 16:39:08,468 INFO L226 Difference]: Without dead ends: 127508 [2022-10-16 16:39:08,565 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 16:39:08,566 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 215 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 722 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 16:39:08,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 722 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:39:08,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127508 states. [2022-10-16 16:39:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127508 to 127466. [2022-10-16 16:39:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127466 states, 127424 states have (on average 1.65796082370668) internal successors, (211264), 127465 states have internal predecessors, (211264), 0 states have call successors, (0), 0 states 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 16:39:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127466 states to 127466 states and 211264 transitions. [2022-10-16 16:39:17,557 INFO L78 Accepts]: Start accepts. Automaton has 127466 states and 211264 transitions. Word has length 110 [2022-10-16 16:39:17,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:17,558 INFO L495 AbstractCegarLoop]: Abstraction has 127466 states and 211264 transitions. [2022-10-16 16:39:17,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 16:39:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 127466 states and 211264 transitions. [2022-10-16 16:39:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:39:17,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:17,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:17,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:39:17,561 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:39:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash -452855716, now seen corresponding path program 1 times [2022-10-16 16:39:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:17,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439146800] [2022-10-16 16:39:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:17,784 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 16:39:17,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:17,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439146800] [2022-10-16 16:39:17,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439146800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:17,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:17,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:17,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692756854] [2022-10-16 16:39:17,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:17,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:17,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:17,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:17,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:17,788 INFO L87 Difference]: Start difference. First operand 127466 states and 211264 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 16:39:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:30,195 INFO L93 Difference]: Finished difference Result 204011 states and 337216 transitions. [2022-10-16 16:39:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:39:30,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:39:30,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:30,632 INFO L225 Difference]: With dead ends: 204011 [2022-10-16 16:39:30,632 INFO L226 Difference]: Without dead ends: 204008 [2022-10-16 16:39:30,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:39:30,691 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1824 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:30,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 982 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:39:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204008 states. [2022-10-16 16:39:41,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204008 to 152938. [2022-10-16 16:39:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152938 states, 152896 states have (on average 1.6429468396818752) internal successors, (251200), 152937 states have internal predecessors, (251200), 0 states have call successors, (0), 0 states 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 16:39:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152938 states to 152938 states and 251200 transitions. [2022-10-16 16:39:41,935 INFO L78 Accepts]: Start accepts. Automaton has 152938 states and 251200 transitions. Word has length 110 [2022-10-16 16:39:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:41,935 INFO L495 AbstractCegarLoop]: Abstraction has 152938 states and 251200 transitions. [2022-10-16 16:39:41,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 16:39:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 152938 states and 251200 transitions. [2022-10-16 16:39:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:39:41,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:41,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:41,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:39:41,938 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:39:41,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:41,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1153624964, now seen corresponding path program 1 times [2022-10-16 16:39:41,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:41,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527744129] [2022-10-16 16:39:41,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:42,125 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 16:39:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:42,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527744129] [2022-10-16 16:39:42,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527744129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:42,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:42,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:42,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338290189] [2022-10-16 16:39:42,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:42,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:42,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:42,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:42,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:42,128 INFO L87 Difference]: Start difference. First operand 152938 states and 251200 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 16:39:55,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:55,360 INFO L93 Difference]: Finished difference Result 203984 states and 334912 transitions. [2022-10-16 16:39:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:39:55,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 16:39:55,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:55,770 INFO L225 Difference]: With dead ends: 203984 [2022-10-16 16:39:55,770 INFO L226 Difference]: Without dead ends: 203981 [2022-10-16 16:39:55,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:39:55,826 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 2220 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:55,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 682 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203981 states. [2022-10-16 16:40:10,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203981 to 203882. [2022-10-16 16:40:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203882 states, 203840 states have (on average 1.6279434850863421) internal successors, (331840), 203881 states have internal predecessors, (331840), 0 states have call successors, (0), 0 states 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 16:40:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203882 states to 203882 states and 331840 transitions. [2022-10-16 16:40:11,260 INFO L78 Accepts]: Start accepts. Automaton has 203882 states and 331840 transitions. Word has length 111 [2022-10-16 16:40:11,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:11,261 INFO L495 AbstractCegarLoop]: Abstraction has 203882 states and 331840 transitions. [2022-10-16 16:40:11,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 16:40:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 203882 states and 331840 transitions. [2022-10-16 16:40:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:40:11,262 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:11,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:11,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:40:11,263 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:40:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1402635170, now seen corresponding path program 1 times [2022-10-16 16:40:11,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:11,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254309728] [2022-10-16 16:40:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:11,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:11,453 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 16:40:11,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:11,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254309728] [2022-10-16 16:40:11,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254309728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:11,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:11,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:40:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138354612] [2022-10-16 16:40:11,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:11,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:40:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:40:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:40:11,455 INFO L87 Difference]: Start difference. First operand 203882 states and 331840 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states 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 16:40:31,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:31,498 INFO L93 Difference]: Finished difference Result 305914 states and 497728 transitions. [2022-10-16 16:40:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:40:31,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 16:40:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:32,379 INFO L225 Difference]: With dead ends: 305914 [2022-10-16 16:40:32,379 INFO L226 Difference]: Without dead ends: 305911 [2022-10-16 16:40:32,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:40:32,455 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 2448 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:32,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 1303 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:40:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305911 states.