/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/termination-15/cstrncpy_mixed_alloca.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:10:16,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:10:16,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:10:16,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 17:10:16,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:10:16,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:10:16,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:10:16,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:10:16,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:10:16,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:10:16,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:10:16,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:10:16,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:10:16,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:10:16,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:10:16,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:10:16,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:10:16,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:10:16,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:10:16,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:10:16,944 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 17:10:16,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:10:16,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:10:16,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:10:16,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:10:16,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:10:16,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:10:17,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:10:17,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:10:17,001 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:10:17,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:10:17,002 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:10:17,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:10:17,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:10:17,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:10:17,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:10:17,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:10:17,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:10:17,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:10:17,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:10:17,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:10:17,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:10:17,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:10:17,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:10:17,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:10:17,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:10:17,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:10:17,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:10:17,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:10:17,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:10:17,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:10:17,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:10:17,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:10:17,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:10:17,452 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:10:17,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2022-10-16 17:10:17,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a975e5c/d9ed37619db9461bbd677cc9a6163655/FLAGd6a08a54f [2022-10-16 17:10:18,256 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:10:18,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2022-10-16 17:10:18,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a975e5c/d9ed37619db9461bbd677cc9a6163655/FLAGd6a08a54f [2022-10-16 17:10:18,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a975e5c/d9ed37619db9461bbd677cc9a6163655 [2022-10-16 17:10:18,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:10:18,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:10:18,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:10:18,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:10:18,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:10:18,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:10:18" (1/1) ... [2022-10-16 17:10:18,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e21733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:18, skipping insertion in model container [2022-10-16 17:10:18,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:10:18" (1/1) ... [2022-10-16 17:10:18,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:10:18,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:10:19,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:10:19,089 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:10:19,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:10:19,172 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:10:19,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19 WrapperNode [2022-10-16 17:10:19,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:10:19,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:10:19,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:10:19,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:10:19,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,227 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-10-16 17:10:19,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:10:19,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:10:19,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:10:19,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:10:19,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:10:19,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:10:19,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:10:19,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:10:19,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (1/1) ... [2022-10-16 17:10:19,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:10:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:19,297 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 17:10:19,311 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 17:10:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 17:10:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 17:10:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 17:10:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 17:10:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:10:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:10:19,469 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:10:19,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:10:19,663 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:10:19,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:10:19,676 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 17:10:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:10:19 BoogieIcfgContainer [2022-10-16 17:10:19,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:10:19,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:10:19,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:10:19,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:10:19,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:10:18" (1/3) ... [2022-10-16 17:10:19,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6b7f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:10:19, skipping insertion in model container [2022-10-16 17:10:19,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:19" (2/3) ... [2022-10-16 17:10:19,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6b7f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:10:19, skipping insertion in model container [2022-10-16 17:10:19,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:10:19" (3/3) ... [2022-10-16 17:10:19,705 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrncpy_mixed_alloca.i [2022-10-16 17:10:19,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:10:19,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 17:10:19,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:10:19,859 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;@8152e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:10:19,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 17:10:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 17:10:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:10:19,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:19,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:10:19,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash 889510730, now seen corresponding path program 1 times [2022-10-16 17:10:19,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:19,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889000664] [2022-10-16 17:10:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:20,119 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 17:10:20,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:20,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889000664] [2022-10-16 17:10:20,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889000664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:20,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:20,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:20,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529753182] [2022-10-16 17:10:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:20,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:20,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:20,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:20,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,167 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 17:10:20,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:20,214 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2022-10-16 17:10:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 17:10:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:20,229 INFO L225 Difference]: With dead ends: 61 [2022-10-16 17:10:20,229 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 17:10:20,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,238 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 27 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:20,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 17:10:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 28. [2022-10-16 17:10:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.6) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states 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 17:10:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-10-16 17:10:20,284 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 6 [2022-10-16 17:10:20,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:20,285 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-10-16 17:10:20,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 17:10:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-10-16 17:10:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:10:20,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:20,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:10:20,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:10:20,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:20,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:20,287 INFO L85 PathProgramCache]: Analyzing trace with hash 889570312, now seen corresponding path program 1 times [2022-10-16 17:10:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:20,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328239987] [2022-10-16 17:10:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:20,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:20,407 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 17:10:20,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:20,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328239987] [2022-10-16 17:10:20,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328239987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:20,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:20,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:20,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698616924] [2022-10-16 17:10:20,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:20,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:20,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:20,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,415 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 17:10:20,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:20,448 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-10-16 17:10:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:20,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 17:10:20,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:20,450 INFO L225 Difference]: With dead ends: 28 [2022-10-16 17:10:20,450 INFO L226 Difference]: Without dead ends: 27 [2022-10-16 17:10:20,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,456 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:20,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-10-16 17:10:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2022-10-16 17:10:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states 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 17:10:20,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-10-16 17:10:20,468 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 6 [2022-10-16 17:10:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:20,471 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-10-16 17:10:20,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 17:10:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-10-16 17:10:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 17:10:20,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:20,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:20,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:10:20,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:20,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:20,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028903, now seen corresponding path program 1 times [2022-10-16 17:10:20,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:20,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749961102] [2022-10-16 17:10:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:20,535 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 17:10:20,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:20,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749961102] [2022-10-16 17:10:20,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749961102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:20,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:20,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:20,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486558901] [2022-10-16 17:10:20,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:20,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:20,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,539 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states 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 17:10:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:20,550 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-10-16 17:10:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:20,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 17:10:20,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:20,552 INFO L225 Difference]: With dead ends: 24 [2022-10-16 17:10:20,552 INFO L226 Difference]: Without dead ends: 23 [2022-10-16 17:10:20,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,554 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:20,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-10-16 17:10:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-10-16 17:10:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states 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 17:10:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-10-16 17:10:20,568 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2022-10-16 17:10:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:20,571 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-10-16 17:10:20,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states 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 17:10:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-10-16 17:10:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 17:10:20,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:20,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:20,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:10:20,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:20,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:20,576 INFO L85 PathProgramCache]: Analyzing trace with hash 121321196, now seen corresponding path program 1 times [2022-10-16 17:10:20,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:20,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476929676] [2022-10-16 17:10:20,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:20,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:20,697 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 17:10:20,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:20,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476929676] [2022-10-16 17:10:20,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476929676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:20,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:20,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:20,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534572359] [2022-10-16 17:10:20,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:20,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:20,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:20,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:20,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,701 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 17:10:20,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:20,726 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-10-16 17:10:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:20,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 17:10:20,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:20,728 INFO L225 Difference]: With dead ends: 41 [2022-10-16 17:10:20,728 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 17:10:20,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,731 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:20,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 40 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:20,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 17:10:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27. [2022-10-16 17:10:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states 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 17:10:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-10-16 17:10:20,742 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 8 [2022-10-16 17:10:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:20,743 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-10-16 17:10:20,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 17:10:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-10-16 17:10:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 17:10:20,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:20,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:20,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:10:20,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:20,748 INFO L85 PathProgramCache]: Analyzing trace with hash 123168238, now seen corresponding path program 1 times [2022-10-16 17:10:20,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:20,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261621237] [2022-10-16 17:10:20,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:20,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:20,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261621237] [2022-10-16 17:10:20,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261621237] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:20,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:20,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:20,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798731591] [2022-10-16 17:10:20,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:20,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:20,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:20,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:20,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,870 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 17:10:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:20,892 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-10-16 17:10:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:20,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 17:10:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:20,895 INFO L225 Difference]: With dead ends: 27 [2022-10-16 17:10:20,895 INFO L226 Difference]: Without dead ends: 26 [2022-10-16 17:10:20,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:20,905 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:20,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:20,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-10-16 17:10:20,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2022-10-16 17:10:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states 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 17:10:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-10-16 17:10:20,916 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 8 [2022-10-16 17:10:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:20,917 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-16 17:10:20,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states 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 17:10:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-10-16 17:10:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 17:10:20,918 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:20,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:20,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:10:20,920 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash -534010167, now seen corresponding path program 1 times [2022-10-16 17:10:20,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:20,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411987875] [2022-10-16 17:10:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:21,027 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 17:10:21,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:21,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411987875] [2022-10-16 17:10:21,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411987875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:21,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:21,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:21,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781141871] [2022-10-16 17:10:21,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:21,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:21,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:21,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:21,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:21,031 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states 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 17:10:21,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:21,053 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2022-10-16 17:10:21,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:21,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 17:10:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:21,057 INFO L225 Difference]: With dead ends: 22 [2022-10-16 17:10:21,057 INFO L226 Difference]: Without dead ends: 21 [2022-10-16 17:10:21,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:21,059 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:21,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-10-16 17:10:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-10-16 17:10:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 17:10:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-10-16 17:10:21,070 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2022-10-16 17:10:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:21,070 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-10-16 17:10:21,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states 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 17:10:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-10-16 17:10:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 17:10:21,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:21,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:21,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:10:21,074 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:21,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2082660277, now seen corresponding path program 1 times [2022-10-16 17:10:21,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:21,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246761337] [2022-10-16 17:10:21,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:21,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:21,249 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 17:10:21,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:21,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246761337] [2022-10-16 17:10:21,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246761337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:21,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:21,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:10:21,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198560208] [2022-10-16 17:10:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:21,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:10:21,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:21,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:10:21,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:10:21,253 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:21,308 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-10-16 17:10:21,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:10:21,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 17:10:21,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:21,313 INFO L225 Difference]: With dead ends: 38 [2022-10-16 17:10:21,313 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 17:10:21,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:10:21,317 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 25 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:21,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 67 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:21,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 17:10:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2022-10-16 17:10:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:10:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2022-10-16 17:10:21,330 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 11 [2022-10-16 17:10:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:21,331 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2022-10-16 17:10:21,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2022-10-16 17:10:21,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 17:10:21,332 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:21,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:21,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:10:21,333 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:21,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1402960393, now seen corresponding path program 1 times [2022-10-16 17:10:21,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:21,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750944027] [2022-10-16 17:10:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:21,403 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 17:10:21,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:21,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750944027] [2022-10-16 17:10:21,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750944027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:21,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:21,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:10:21,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995982748] [2022-10-16 17:10:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:21,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:10:21,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:10:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:10:21,407 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:21,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:21,459 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-10-16 17:10:21,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:10:21,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 17:10:21,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:21,461 INFO L225 Difference]: With dead ends: 30 [2022-10-16 17:10:21,461 INFO L226 Difference]: Without dead ends: 29 [2022-10-16 17:10:21,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:10:21,462 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:21,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 33 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-10-16 17:10:21,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2022-10-16 17:10:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states 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 17:10:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-10-16 17:10:21,467 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2022-10-16 17:10:21,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:21,468 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-16 17:10:21,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-10-16 17:10:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 17:10:21,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:21,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:21,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:10:21,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:21,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:21,470 INFO L85 PathProgramCache]: Analyzing trace with hash -137959081, now seen corresponding path program 1 times [2022-10-16 17:10:21,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:21,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926427041] [2022-10-16 17:10:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:21,554 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 17:10:21,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:21,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926427041] [2022-10-16 17:10:21,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926427041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:21,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:21,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:10:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766903183] [2022-10-16 17:10:21,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:21,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:10:21,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:21,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:10:21,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:10:21,557 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states 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 17:10:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:21,604 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2022-10-16 17:10:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:10:21,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-16 17:10:21,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:21,605 INFO L225 Difference]: With dead ends: 21 [2022-10-16 17:10:21,605 INFO L226 Difference]: Without dead ends: 20 [2022-10-16 17:10:21,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:10:21,607 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:21,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 50 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-10-16 17:10:21,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-10-16 17:10:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 17:10:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-10-16 17:10:21,611 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2022-10-16 17:10:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:21,612 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-10-16 17:10:21,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states 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 17:10:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-16 17:10:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 17:10:21,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:21,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:21,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:10:21,614 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:21,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash 344788880, now seen corresponding path program 1 times [2022-10-16 17:10:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:21,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165392887] [2022-10-16 17:10:21,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:21,737 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 17:10:21,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:21,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165392887] [2022-10-16 17:10:21,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165392887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:21,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:21,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:10:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721966491] [2022-10-16 17:10:21,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:21,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 17:10:21,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:21,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 17:10:21,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:10:21,740 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states 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 17:10:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:21,868 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2022-10-16 17:10:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 17:10:21,869 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-10-16 17:10:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:21,869 INFO L225 Difference]: With dead ends: 44 [2022-10-16 17:10:21,870 INFO L226 Difference]: Without dead ends: 33 [2022-10-16 17:10:21,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 17:10:21,871 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:21,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 74 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:10:21,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-10-16 17:10:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-10-16 17:10:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.2) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 17:10:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-10-16 17:10:21,877 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 15 [2022-10-16 17:10:21,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:21,878 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-10-16 17:10:21,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states 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 17:10:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-10-16 17:10:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 17:10:21,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:21,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:21,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:10:21,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:21,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash 602954318, now seen corresponding path program 1 times [2022-10-16 17:10:21,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:21,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751326033] [2022-10-16 17:10:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:22,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:22,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751326033] [2022-10-16 17:10:22,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751326033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:22,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:22,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:10:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026131142] [2022-10-16 17:10:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:22,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 17:10:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 17:10:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:10:22,045 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states 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 17:10:22,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:22,175 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-10-16 17:10:22,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 17:10:22,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-10-16 17:10:22,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:22,176 INFO L225 Difference]: With dead ends: 35 [2022-10-16 17:10:22,176 INFO L226 Difference]: Without dead ends: 34 [2022-10-16 17:10:22,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:10:22,178 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 28 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:22,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 35 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:10:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-10-16 17:10:22,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2022-10-16 17:10:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states 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 17:10:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-10-16 17:10:22,188 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 15 [2022-10-16 17:10:22,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:22,188 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-10-16 17:10:22,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states 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 17:10:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-10-16 17:10:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 17:10:22,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:22,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:22,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 17:10:22,193 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:22,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2098520766, now seen corresponding path program 1 times [2022-10-16 17:10:22,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:22,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786518338] [2022-10-16 17:10:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:22,337 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 17:10:22,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:22,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786518338] [2022-10-16 17:10:22,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786518338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:22,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:22,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:10:22,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534921463] [2022-10-16 17:10:22,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:22,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:10:22,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:22,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:10:22,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:10:22,342 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 17:10:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:22,405 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-10-16 17:10:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:10:22,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-16 17:10:22,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:22,407 INFO L225 Difference]: With dead ends: 33 [2022-10-16 17:10:22,407 INFO L226 Difference]: Without dead ends: 32 [2022-10-16 17:10:22,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 17:10:22,408 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:22,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 62 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-10-16 17:10:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2022-10-16 17:10:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 17:10:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-10-16 17:10:22,415 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 16 [2022-10-16 17:10:22,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:22,416 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-10-16 17:10:22,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 17:10:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-10-16 17:10:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 17:10:22,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:22,417 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:22,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 17:10:22,417 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:22,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:22,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1315974615, now seen corresponding path program 1 times [2022-10-16 17:10:22,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:22,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409073251] [2022-10-16 17:10:22,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:22,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:22,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:22,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409073251] [2022-10-16 17:10:22,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409073251] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:22,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169420453] [2022-10-16 17:10:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:22,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:22,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:22,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:22,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:10:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:22,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:10:22,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:10:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:22,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:10:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:22,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169420453] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:10:22,797 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:10:22,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-16 17:10:22,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030178709] [2022-10-16 17:10:22,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:10:22,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:10:22,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:22,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:10:22,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:10:22,800 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 0 states 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 17:10:23,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:23,032 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2022-10-16 17:10:23,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 17:10:23,033 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 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 20 [2022-10-16 17:10:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:23,034 INFO L225 Difference]: With dead ends: 44 [2022-10-16 17:10:23,034 INFO L226 Difference]: Without dead ends: 43 [2022-10-16 17:10:23,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:10:23,036 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 42 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:23,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 99 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:10:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-10-16 17:10:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2022-10-16 17:10:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 0 states have call successors, (0), 0 states 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 17:10:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2022-10-16 17:10:23,045 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 20 [2022-10-16 17:10:23,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:23,045 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2022-10-16 17:10:23,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 0 states 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 17:10:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2022-10-16 17:10:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 17:10:23,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:23,047 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:23,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 17:10:23,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 17:10:23,263 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:23,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash 950785058, now seen corresponding path program 2 times [2022-10-16 17:10:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:23,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587075466] [2022-10-16 17:10:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:23,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:23,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587075466] [2022-10-16 17:10:23,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587075466] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:23,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749524746] [2022-10-16 17:10:23,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:10:23,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:23,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:23,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:23,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 17:10:23,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:10:23,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:10:23,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 17:10:23,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:10:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:23,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:10:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:24,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749524746] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:10:24,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:10:24,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-10-16 17:10:24,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269639337] [2022-10-16 17:10:24,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:10:24,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 17:10:24,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:24,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 17:10:24,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=715, Unknown=0, NotChecked=0, Total=870 [2022-10-16 17:10:24,040 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:24,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:24,813 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2022-10-16 17:10:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-10-16 17:10:24,814 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 17:10:24,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:24,815 INFO L225 Difference]: With dead ends: 68 [2022-10-16 17:10:24,815 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 17:10:24,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2022-10-16 17:10:24,818 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 136 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:24,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 83 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:10:24,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 17:10:24,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2022-10-16 17:10:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2022-10-16 17:10:24,831 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 32 [2022-10-16 17:10:24,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:24,831 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2022-10-16 17:10:24,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:10:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-10-16 17:10:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 17:10:24,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:24,833 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:24,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 17:10:25,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 17:10:25,048 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash 777099064, now seen corresponding path program 3 times [2022-10-16 17:10:25,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:25,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801403771] [2022-10-16 17:10:25,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:25,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:25,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801403771] [2022-10-16 17:10:25,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801403771] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:25,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929684393] [2022-10-16 17:10:25,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:10:25,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:25,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:25,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 17:10:25,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-10-16 17:10:25,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:10:25,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 17:10:25,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:10:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 17:10:26,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:10:26,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929684393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:26,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:10:26,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [27] total 34 [2022-10-16 17:10:26,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454368408] [2022-10-16 17:10:26,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:26,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 17:10:26,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:26,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 17:10:26,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=921, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 17:10:26,082 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 17:10:26,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:26,234 INFO L93 Difference]: Finished difference Result 110 states and 113 transitions. [2022-10-16 17:10:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 17:10:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 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 56 [2022-10-16 17:10:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:26,235 INFO L225 Difference]: With dead ends: 110 [2022-10-16 17:10:26,235 INFO L226 Difference]: Without dead ends: 57 [2022-10-16 17:10:26,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=293, Invalid=1267, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 17:10:26,237 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:26,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 87 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-10-16 17:10:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-10-16 17:10:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 56 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 17:10:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2022-10-16 17:10:26,247 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 56 [2022-10-16 17:10:26,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:26,248 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2022-10-16 17:10:26,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 17:10:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2022-10-16 17:10:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 17:10:26,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:26,250 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:26,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 17:10:26,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:26,464 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:26,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:26,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1220999738, now seen corresponding path program 1 times [2022-10-16 17:10:26,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:26,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702064689] [2022-10-16 17:10:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:27,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:27,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702064689] [2022-10-16 17:10:27,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702064689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:27,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262548924] [2022-10-16 17:10:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:27,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:27,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:27,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 17:10:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:27,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 17:10:27,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:10:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:27,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:10:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:28,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262548924] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:10:28,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:10:28,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 53 [2022-10-16 17:10:28,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761217340] [2022-10-16 17:10:28,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:10:28,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-10-16 17:10:28,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:28,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-10-16 17:10:28,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=2287, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 17:10:28,085 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 54 states, 53 states have (on average 2.056603773584906) internal successors, (109), 54 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 17:10:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:30,479 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2022-10-16 17:10:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-16 17:10:30,480 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 2.056603773584906) internal successors, (109), 54 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 56 [2022-10-16 17:10:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:30,484 INFO L225 Difference]: With dead ends: 107 [2022-10-16 17:10:30,484 INFO L226 Difference]: Without dead ends: 106 [2022-10-16 17:10:30,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3845 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4035, Invalid=10971, Unknown=0, NotChecked=0, Total=15006 [2022-10-16 17:10:30,495 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 277 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:30,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 118 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:10:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-10-16 17:10:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2022-10-16 17:10:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.0288461538461537) internal successors, (107), 104 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 17:10:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 107 transitions. [2022-10-16 17:10:30,520 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 107 transitions. Word has length 56 [2022-10-16 17:10:30,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:30,522 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 107 transitions. [2022-10-16 17:10:30,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 2.056603773584906) internal successors, (109), 54 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 17:10:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 107 transitions. [2022-10-16 17:10:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 17:10:30,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:30,531 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:30,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 17:10:30,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 17:10:30,744 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1683845530, now seen corresponding path program 2 times [2022-10-16 17:10:30,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:30,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795949079] [2022-10-16 17:10:30,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:32,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:32,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795949079] [2022-10-16 17:10:32,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795949079] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:32,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708515749] [2022-10-16 17:10:32,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:10:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:32,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:32,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 17:10:32,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:10:32,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:10:32,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-16 17:10:32,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:10:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:33,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:10:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:35,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708515749] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:10:35,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:10:35,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 101 [2022-10-16 17:10:35,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909209753] [2022-10-16 17:10:35,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:10:35,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-10-16 17:10:35,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:35,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-10-16 17:10:35,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2279, Invalid=8023, Unknown=0, NotChecked=0, Total=10302 [2022-10-16 17:10:35,649 INFO L87 Difference]: Start difference. First operand 105 states and 107 transitions. Second operand has 102 states, 101 states have (on average 2.0297029702970297) internal successors, (205), 102 states have internal predecessors, (205), 0 states have call successors, (0), 0 states 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 17:10:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:44,708 INFO L93 Difference]: Finished difference Result 203 states and 228 transitions. [2022-10-16 17:10:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-10-16 17:10:44,709 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 101 states have (on average 2.0297029702970297) internal successors, (205), 102 states have internal predecessors, (205), 0 states have call successors, (0), 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 17:10:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:44,711 INFO L225 Difference]: With dead ends: 203 [2022-10-16 17:10:44,711 INFO L226 Difference]: Without dead ends: 202 [2022-10-16 17:10:44,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16187 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=16107, Invalid=42699, Unknown=0, NotChecked=0, Total=58806 [2022-10-16 17:10:44,723 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 539 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:44,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 135 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:10:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-10-16 17:10:44,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 201. [2022-10-16 17:10:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.015) internal successors, (203), 200 states have internal predecessors, (203), 0 states have call successors, (0), 0 states 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 17:10:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 203 transitions. [2022-10-16 17:10:44,749 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 203 transitions. Word has length 104 [2022-10-16 17:10:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:44,749 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 203 transitions. [2022-10-16 17:10:44,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 101 states have (on average 2.0297029702970297) internal successors, (205), 102 states have internal predecessors, (205), 0 states have call successors, (0), 0 states 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 17:10:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 203 transitions. [2022-10-16 17:10:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-16 17:10:44,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:44,753 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:44,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 17:10:44,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 17:10:44,967 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:10:44,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:44,968 INFO L85 PathProgramCache]: Analyzing trace with hash 294985406, now seen corresponding path program 3 times [2022-10-16 17:10:44,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:44,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090579386] [2022-10-16 17:10:44,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:44,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:10:52,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:52,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090579386] [2022-10-16 17:10:52,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090579386] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:10:52,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733496190] [2022-10-16 17:10:52,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:10:52,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:10:52,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:52,088 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:10:52,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 17:12:53,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-10-16 17:12:53,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:12:54,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 100 conjunts are in the unsatisfiable core [2022-10-16 17:12:54,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:12:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:12:54,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:13:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:13:03,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733496190] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:13:03,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:13:03,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 99] total 197 [2022-10-16 17:13:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629382195] [2022-10-16 17:13:03,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:13:03,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2022-10-16 17:13:03,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:13:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2022-10-16 17:13:03,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9143, Invalid=29863, Unknown=0, NotChecked=0, Total=39006 [2022-10-16 17:13:03,659 INFO L87 Difference]: Start difference. First operand 201 states and 203 transitions. Second operand has 198 states, 197 states have (on average 2.015228426395939) internal successors, (397), 198 states have internal predecessors, (397), 0 states have call successors, (0), 0 states 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 17:13:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:13:38,680 INFO L93 Difference]: Finished difference Result 395 states and 444 transitions. [2022-10-16 17:13:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 288 states. [2022-10-16 17:13:38,681 INFO L78 Accepts]: Start accepts. Automaton has has 198 states, 197 states have (on average 2.015228426395939) internal successors, (397), 198 states have internal predecessors, (397), 0 states have call successors, (0), 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 200 [2022-10-16 17:13:38,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:13:38,684 INFO L225 Difference]: With dead ends: 395 [2022-10-16 17:13:38,685 INFO L226 Difference]: Without dead ends: 394 [2022-10-16 17:13:38,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66359 ImplicationChecksByTransitivity, 44.9s TimeCoverageRelationStatistics Valid=64443, Invalid=168363, Unknown=0, NotChecked=0, Total=232806 [2022-10-16 17:13:38,702 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1075 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:13:38,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 159 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:13:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-10-16 17:13:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 393. [2022-10-16 17:13:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.0076530612244898) internal successors, (395), 392 states have internal predecessors, (395), 0 states have call successors, (0), 0 states 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 17:13:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 395 transitions. [2022-10-16 17:13:38,736 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 395 transitions. Word has length 200 [2022-10-16 17:13:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:13:38,737 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 395 transitions. [2022-10-16 17:13:38,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 197 states have (on average 2.015228426395939) internal successors, (397), 198 states have internal predecessors, (397), 0 states have call successors, (0), 0 states 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 17:13:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 395 transitions. [2022-10-16 17:13:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-10-16 17:13:38,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:13:38,744 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:13:38,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 17:13:38,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 17:13:38,958 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:13:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:13:38,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1280843922, now seen corresponding path program 4 times [2022-10-16 17:13:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:13:38,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902031622] [2022-10-16 17:13:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:13:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:13:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:14:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:14:06,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:14:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902031622] [2022-10-16 17:14:06,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902031622] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:14:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409929673] [2022-10-16 17:14:06,199 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 17:14:06,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:14:06,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:14:06,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:14:06,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process