/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:22:38,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:22:38,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:22:38,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:22:38,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:22:38,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:22:38,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:22:38,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:22:38,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:22:38,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:22:38,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:22:38,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:22:38,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:22:38,761 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:22:38,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:22:38,762 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:22:38,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:22:38,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:22:38,764 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:22:38,764 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:22:38,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:22:38,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:22:38,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:22:38,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:22:38,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:22:38,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:22:38,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:22:38,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:22:38,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:22:38,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:22:38,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:22:38,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:22:38,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:22:38,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:22:39,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:22:39,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:22:39,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:22:39,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:22:39,224 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:22:39,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:39,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f235e8918/c40b60c99bf140b4a7eec7f968dd8b60/FLAGaf0bdaa66 [2022-10-16 15:22:40,088 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:22:40,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:40,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f235e8918/c40b60c99bf140b4a7eec7f968dd8b60/FLAGaf0bdaa66 [2022-10-16 15:22:40,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f235e8918/c40b60c99bf140b4a7eec7f968dd8b60 [2022-10-16 15:22:40,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:22:40,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:22:40,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:22:40,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:22:40,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:22:40,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:40,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15109bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40, skipping insertion in model container [2022-10-16 15:22:40,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:40,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:22:40,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:22:40,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-16 15:22:40,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:22:40,801 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:22:40,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-16 15:22:40,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:22:40,970 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:22:40,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40 WrapperNode [2022-10-16 15:22:40,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:22:40,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:22:40,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:22:40,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:22:40,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,100 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 513 [2022-10-16 15:22:41,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:22:41,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:22:41,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:22:41,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:22:41,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:22:41,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:22:41,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:22:41,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:22:41,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (1/1) ... [2022-10-16 15:22:41,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:22:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:22:41,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:22:41,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:22:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:22:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:22:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:22:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:22:41,487 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:22:41,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:22:42,352 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:22:42,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:22:42,382 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:22:42,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:42 BoogieIcfgContainer [2022-10-16 15:22:42,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:22:42,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:22:42,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:22:42,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:22:42,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:22:40" (1/3) ... [2022-10-16 15:22:42,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29184a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:42, skipping insertion in model container [2022-10-16 15:22:42,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:40" (2/3) ... [2022-10-16 15:22:42,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29184a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:42, skipping insertion in model container [2022-10-16 15:22:42,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:42" (3/3) ... [2022-10-16 15:22:42,396 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:42,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:22:42,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:22:42,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:22:42,497 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;@3a16c685, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:22:42,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:22:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:22:42,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:42,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:42,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:42,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash 9211884, now seen corresponding path program 1 times [2022-10-16 15:22:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:42,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772309824] [2022-10-16 15:22:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:42,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:42,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:42,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772309824] [2022-10-16 15:22:42,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772309824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:42,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:42,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:22:42,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297021333] [2022-10-16 15:22:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:42,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:22:42,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:22:42,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:22:42,954 INFO L87 Difference]: Start difference. First operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 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 15:22:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:43,002 INFO L93 Difference]: Finished difference Result 361 states and 522 transitions. [2022-10-16 15:22:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:22:43,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 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 22 [2022-10-16 15:22:43,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:43,021 INFO L225 Difference]: With dead ends: 361 [2022-10-16 15:22:43,022 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 15:22:43,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:22:43,031 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:43,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 15:22:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-16 15:22:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.7953216374269005) internal successors, (307), 204 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 307 transitions. [2022-10-16 15:22:43,105 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 307 transitions. Word has length 22 [2022-10-16 15:22:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:43,107 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 307 transitions. [2022-10-16 15:22:43,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 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 15:22:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2022-10-16 15:22:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:22:43,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:43,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:43,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:22:43,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash 11058926, now seen corresponding path program 1 times [2022-10-16 15:22:43,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:43,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508991984] [2022-10-16 15:22:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:43,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:43,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:43,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508991984] [2022-10-16 15:22:43,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508991984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:43,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:43,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:22:43,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134820843] [2022-10-16 15:22:43,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:43,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:43,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:43,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:43,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:43,465 INFO L87 Difference]: Start difference. First operand 205 states and 307 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 15:22:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:43,611 INFO L93 Difference]: Finished difference Result 354 states and 510 transitions. [2022-10-16 15:22:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:43,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 22 [2022-10-16 15:22:43,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:43,615 INFO L225 Difference]: With dead ends: 354 [2022-10-16 15:22:43,616 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 15:22:43,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:22:43,623 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 3 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:43,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1187 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 15:22:43,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-16 15:22:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.6198830409356726) internal successors, (277), 204 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2022-10-16 15:22:43,663 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 22 [2022-10-16 15:22:43,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:43,664 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2022-10-16 15:22:43,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 15:22:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2022-10-16 15:22:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:22:43,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:43,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:43,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:22:43,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:43,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:43,670 INFO L85 PathProgramCache]: Analyzing trace with hash -181065752, now seen corresponding path program 1 times [2022-10-16 15:22:43,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:43,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164673026] [2022-10-16 15:22:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:43,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:43,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:43,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164673026] [2022-10-16 15:22:43,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164673026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:43,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:43,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956236680] [2022-10-16 15:22:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:43,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:43,865 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:43,911 INFO L93 Difference]: Finished difference Result 473 states and 640 transitions. [2022-10-16 15:22:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 15:22:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:43,917 INFO L225 Difference]: With dead ends: 473 [2022-10-16 15:22:43,918 INFO L226 Difference]: Without dead ends: 328 [2022-10-16 15:22:43,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:43,928 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 178 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:43,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 682 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:43,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-16 15:22:43,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 296. [2022-10-16 15:22:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 262 states have (on average 1.6793893129770991) internal successors, (440), 295 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 440 transitions. [2022-10-16 15:22:43,970 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 440 transitions. Word has length 51 [2022-10-16 15:22:43,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:43,970 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 440 transitions. [2022-10-16 15:22:43,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 440 transitions. [2022-10-16 15:22:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:22:43,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:43,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:43,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:22:43,977 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:43,980 INFO L85 PathProgramCache]: Analyzing trace with hash -711164714, now seen corresponding path program 1 times [2022-10-16 15:22:43,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:43,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567437441] [2022-10-16 15:22:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:44,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:44,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567437441] [2022-10-16 15:22:44,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567437441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:44,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:44,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:44,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707574709] [2022-10-16 15:22:44,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:44,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:44,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:44,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:44,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,149 INFO L87 Difference]: Start difference. First operand 296 states and 440 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:44,202 INFO L93 Difference]: Finished difference Result 643 states and 955 transitions. [2022-10-16 15:22:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-16 15:22:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:44,206 INFO L225 Difference]: With dead ends: 643 [2022-10-16 15:22:44,206 INFO L226 Difference]: Without dead ends: 407 [2022-10-16 15:22:44,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,208 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 156 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:44,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 486 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:44,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-10-16 15:22:44,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 382. [2022-10-16 15:22:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 348 states have (on average 1.6810344827586208) internal successors, (585), 381 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 585 transitions. [2022-10-16 15:22:44,225 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 585 transitions. Word has length 55 [2022-10-16 15:22:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:44,226 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 585 transitions. [2022-10-16 15:22:44,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 585 transitions. [2022-10-16 15:22:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:22:44,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:44,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:44,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:22:44,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:44,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1930410977, now seen corresponding path program 1 times [2022-10-16 15:22:44,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:44,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160197081] [2022-10-16 15:22:44,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:44,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:44,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:44,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160197081] [2022-10-16 15:22:44,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160197081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:44,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:44,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:44,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64834921] [2022-10-16 15:22:44,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:44,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:44,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,358 INFO L87 Difference]: Start difference. First operand 382 states and 585 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:44,407 INFO L93 Difference]: Finished difference Result 960 states and 1490 transitions. [2022-10-16 15:22:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-16 15:22:44,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:44,414 INFO L225 Difference]: With dead ends: 960 [2022-10-16 15:22:44,415 INFO L226 Difference]: Without dead ends: 640 [2022-10-16 15:22:44,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,417 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 172 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:44,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 665 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-10-16 15:22:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 608. [2022-10-16 15:22:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 574 states have (on average 1.710801393728223) internal successors, (982), 607 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 982 transitions. [2022-10-16 15:22:44,456 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 982 transitions. Word has length 57 [2022-10-16 15:22:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:44,457 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 982 transitions. [2022-10-16 15:22:44,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 982 transitions. [2022-10-16 15:22:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:22:44,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:44,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:44,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:22:44,468 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:44,470 INFO L85 PathProgramCache]: Analyzing trace with hash -69792753, now seen corresponding path program 1 times [2022-10-16 15:22:44,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:44,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904595093] [2022-10-16 15:22:44,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:44,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:44,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:44,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904595093] [2022-10-16 15:22:44,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904595093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:44,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:44,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301662074] [2022-10-16 15:22:44,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:44,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:44,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:44,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:44,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,583 INFO L87 Difference]: Start difference. First operand 608 states and 982 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 15:22:44,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:44,655 INFO L93 Difference]: Finished difference Result 1460 states and 2365 transitions. [2022-10-16 15:22:44,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:44,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 61 [2022-10-16 15:22:44,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:44,662 INFO L225 Difference]: With dead ends: 1460 [2022-10-16 15:22:44,662 INFO L226 Difference]: Without dead ends: 914 [2022-10-16 15:22:44,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,667 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 174 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:44,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 513 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:44,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2022-10-16 15:22:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 879. [2022-10-16 15:22:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 845 states have (on average 1.7171597633136095) internal successors, (1451), 878 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1451 transitions. [2022-10-16 15:22:44,705 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1451 transitions. Word has length 61 [2022-10-16 15:22:44,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:44,706 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1451 transitions. [2022-10-16 15:22:44,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 15:22:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1451 transitions. [2022-10-16 15:22:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:22:44,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:44,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:44,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:22:44,708 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:44,709 INFO L85 PathProgramCache]: Analyzing trace with hash -186422086, now seen corresponding path program 1 times [2022-10-16 15:22:44,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:44,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870013073] [2022-10-16 15:22:44,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:44,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:44,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:44,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870013073] [2022-10-16 15:22:44,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870013073] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:44,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:44,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:44,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881482182] [2022-10-16 15:22:44,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:44,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:44,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,829 INFO L87 Difference]: Start difference. First operand 879 states and 1451 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:44,901 INFO L93 Difference]: Finished difference Result 2307 states and 3842 transitions. [2022-10-16 15:22:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:44,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:22:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:44,912 INFO L225 Difference]: With dead ends: 2307 [2022-10-16 15:22:44,913 INFO L226 Difference]: Without dead ends: 1502 [2022-10-16 15:22:44,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:44,919 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 166 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:44,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 648 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:44,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-10-16 15:22:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1470. [2022-10-16 15:22:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1436 states have (on average 1.7270194986072422) internal successors, (2480), 1469 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 2480 transitions. [2022-10-16 15:22:44,990 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 2480 transitions. Word has length 63 [2022-10-16 15:22:44,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:44,992 INFO L495 AbstractCegarLoop]: Abstraction has 1470 states and 2480 transitions. [2022-10-16 15:22:44,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2480 transitions. [2022-10-16 15:22:44,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:22:44,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:44,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:44,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:22:44,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:44,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:44,995 INFO L85 PathProgramCache]: Analyzing trace with hash -263866388, now seen corresponding path program 1 times [2022-10-16 15:22:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:45,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611037063] [2022-10-16 15:22:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:45,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:45,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611037063] [2022-10-16 15:22:45,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611037063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:45,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:45,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:45,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430865757] [2022-10-16 15:22:45,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:45,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:45,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:45,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:45,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:45,155 INFO L87 Difference]: Start difference. First operand 1470 states and 2480 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:45,239 INFO L93 Difference]: Finished difference Result 3609 states and 6107 transitions. [2022-10-16 15:22:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:22:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:45,251 INFO L225 Difference]: With dead ends: 3609 [2022-10-16 15:22:45,252 INFO L226 Difference]: Without dead ends: 2213 [2022-10-16 15:22:45,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:45,255 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 168 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:45,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 514 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:45,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-10-16 15:22:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2172. [2022-10-16 15:22:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 2138 states have (on average 1.725444340505145) internal successors, (3689), 2171 states have internal predecessors, (3689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3689 transitions. [2022-10-16 15:22:45,405 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3689 transitions. Word has length 66 [2022-10-16 15:22:45,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:45,406 INFO L495 AbstractCegarLoop]: Abstraction has 2172 states and 3689 transitions. [2022-10-16 15:22:45,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3689 transitions. [2022-10-16 15:22:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:22:45,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:45,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:45,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:22:45,414 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:45,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1340082111, now seen corresponding path program 1 times [2022-10-16 15:22:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:45,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022072304] [2022-10-16 15:22:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:45,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:45,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:45,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022072304] [2022-10-16 15:22:45,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022072304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:45,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:45,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:45,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455656158] [2022-10-16 15:22:45,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:45,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:45,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:45,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:45,583 INFO L87 Difference]: Start difference. First operand 2172 states and 3689 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:45,901 INFO L93 Difference]: Finished difference Result 5651 states and 9644 transitions. [2022-10-16 15:22:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:45,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:22:45,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:45,934 INFO L225 Difference]: With dead ends: 5651 [2022-10-16 15:22:45,934 INFO L226 Difference]: Without dead ends: 5648 [2022-10-16 15:22:45,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:45,939 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 583 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:45,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 738 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-10-16 15:22:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 4224. [2022-10-16 15:22:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4224 states, 4190 states have (on average 1.7159904534606205) internal successors, (7190), 4223 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 4224 states and 7190 transitions. [2022-10-16 15:22:46,186 INFO L78 Accepts]: Start accepts. Automaton has 4224 states and 7190 transitions. Word has length 68 [2022-10-16 15:22:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:46,187 INFO L495 AbstractCegarLoop]: Abstraction has 4224 states and 7190 transitions. [2022-10-16 15:22:46,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4224 states and 7190 transitions. [2022-10-16 15:22:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:22:46,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:46,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:46,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:22:46,189 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:46,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1407128147, now seen corresponding path program 1 times [2022-10-16 15:22:46,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:46,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998289532] [2022-10-16 15:22:46,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:46,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:46,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:46,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998289532] [2022-10-16 15:22:46,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998289532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:46,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:46,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:46,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867625925] [2022-10-16 15:22:46,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:46,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:46,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:46,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:46,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:46,280 INFO L87 Difference]: Start difference. First operand 4224 states and 7190 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:22:46,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:46,584 INFO L93 Difference]: Finished difference Result 5617 states and 9572 transitions. [2022-10-16 15:22:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:46,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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) Word has length 69 [2022-10-16 15:22:46,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:46,619 INFO L225 Difference]: With dead ends: 5617 [2022-10-16 15:22:46,619 INFO L226 Difference]: Without dead ends: 5614 [2022-10-16 15:22:46,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:46,623 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 580 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:46,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 510 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:46,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5614 states. [2022-10-16 15:22:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5614 to 5586. [2022-10-16 15:22:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5586 states, 5552 states have (on average 1.7024495677233429) internal successors, (9452), 5585 states have internal predecessors, (9452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5586 states to 5586 states and 9452 transitions. [2022-10-16 15:22:47,011 INFO L78 Accepts]: Start accepts. Automaton has 5586 states and 9452 transitions. Word has length 69 [2022-10-16 15:22:47,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:47,011 INFO L495 AbstractCegarLoop]: Abstraction has 5586 states and 9452 transitions. [2022-10-16 15:22:47,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:22:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 5586 states and 9452 transitions. [2022-10-16 15:22:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:22:47,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:47,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:47,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:22:47,013 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:47,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:47,014 INFO L85 PathProgramCache]: Analyzing trace with hash 671300227, now seen corresponding path program 1 times [2022-10-16 15:22:47,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:47,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570309985] [2022-10-16 15:22:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:47,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:47,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:47,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570309985] [2022-10-16 15:22:47,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570309985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:47,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:47,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:22:47,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699522088] [2022-10-16 15:22:47,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:47,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:47,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:47,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:47,124 INFO L87 Difference]: Start difference. First operand 5586 states and 9452 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:48,009 INFO L93 Difference]: Finished difference Result 18504 states and 31298 transitions. [2022-10-16 15:22:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:22:48,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:22:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:48,073 INFO L225 Difference]: With dead ends: 18504 [2022-10-16 15:22:48,073 INFO L226 Difference]: Without dead ends: 13004 [2022-10-16 15:22:48,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:22:48,086 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 1293 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:48,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 1474 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:22:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13004 states. [2022-10-16 15:22:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13004 to 10194. [2022-10-16 15:22:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10194 states, 10160 states have (on average 1.6791338582677164) internal successors, (17060), 10193 states have internal predecessors, (17060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10194 states to 10194 states and 17060 transitions. [2022-10-16 15:22:48,747 INFO L78 Accepts]: Start accepts. Automaton has 10194 states and 17060 transitions. Word has length 70 [2022-10-16 15:22:48,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:48,748 INFO L495 AbstractCegarLoop]: Abstraction has 10194 states and 17060 transitions. [2022-10-16 15:22:48,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10194 states and 17060 transitions. [2022-10-16 15:22:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:22:48,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:48,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:48,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:22:48,750 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:48,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash -664528811, now seen corresponding path program 1 times [2022-10-16 15:22:48,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:48,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066874770] [2022-10-16 15:22:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:48,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:48,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066874770] [2022-10-16 15:22:48,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066874770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:48,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:48,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:22:48,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547751247] [2022-10-16 15:22:48,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:48,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:48,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:48,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:48,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:48,873 INFO L87 Difference]: Start difference. First operand 10194 states and 17060 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:49,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:49,658 INFO L93 Difference]: Finished difference Result 13569 states and 22772 transitions. [2022-10-16 15:22:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:22:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:22:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:49,703 INFO L225 Difference]: With dead ends: 13569 [2022-10-16 15:22:49,704 INFO L226 Difference]: Without dead ends: 13566 [2022-10-16 15:22:49,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:22:49,711 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1287 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:49,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 882 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:22:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13566 states. [2022-10-16 15:22:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13566 to 13488. [2022-10-16 15:22:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13488 states, 13454 states have (on average 1.665824290173926) internal successors, (22412), 13487 states have internal predecessors, (22412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13488 states to 13488 states and 22412 transitions. [2022-10-16 15:22:50,437 INFO L78 Accepts]: Start accepts. Automaton has 13488 states and 22412 transitions. Word has length 71 [2022-10-16 15:22:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:50,438 INFO L495 AbstractCegarLoop]: Abstraction has 13488 states and 22412 transitions. [2022-10-16 15:22:50,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 13488 states and 22412 transitions. [2022-10-16 15:22:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:22:50,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:50,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:50,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:22:50,440 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1337960055, now seen corresponding path program 1 times [2022-10-16 15:22:50,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:50,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993944072] [2022-10-16 15:22:50,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:50,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:50,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993944072] [2022-10-16 15:22:50,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993944072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:50,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:50,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:50,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747417715] [2022-10-16 15:22:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:50,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:50,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:50,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:50,619 INFO L87 Difference]: Start difference. First operand 13488 states and 22412 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:51,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:51,776 INFO L93 Difference]: Finished difference Result 38296 states and 63452 transitions. [2022-10-16 15:22:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:51,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:22:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:51,855 INFO L225 Difference]: With dead ends: 38296 [2022-10-16 15:22:51,856 INFO L226 Difference]: Without dead ends: 24894 [2022-10-16 15:22:51,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:51,880 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 569 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:51,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 798 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:22:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24894 states. [2022-10-16 15:22:52,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24894 to 20811. [2022-10-16 15:22:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20811 states, 20777 states have (on average 1.6470135245704385) internal successors, (34220), 20810 states have internal predecessors, (34220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20811 states to 20811 states and 34220 transitions. [2022-10-16 15:22:53,041 INFO L78 Accepts]: Start accepts. Automaton has 20811 states and 34220 transitions. Word has length 73 [2022-10-16 15:22:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:53,041 INFO L495 AbstractCegarLoop]: Abstraction has 20811 states and 34220 transitions. [2022-10-16 15:22:53,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 20811 states and 34220 transitions. [2022-10-16 15:22:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:22:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:53,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:53,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:22:53,043 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1472910616, now seen corresponding path program 1 times [2022-10-16 15:22:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:53,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732718249] [2022-10-16 15:22:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:53,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:53,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:53,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732718249] [2022-10-16 15:22:53,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732718249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:53,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:53,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:53,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586896816] [2022-10-16 15:22:53,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:53,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:53,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:53,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:53,225 INFO L87 Difference]: Start difference. First operand 20811 states and 34220 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:54,403 INFO L93 Difference]: Finished difference Result 30846 states and 51116 transitions. [2022-10-16 15:22:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:22:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:54,477 INFO L225 Difference]: With dead ends: 30846 [2022-10-16 15:22:54,477 INFO L226 Difference]: Without dead ends: 30845 [2022-10-16 15:22:54,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:54,487 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 566 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:54,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 486 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:54,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30845 states. [2022-10-16 15:22:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30845 to 30768. [2022-10-16 15:22:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30768 states, 30734 states have (on average 1.6511680874601418) internal successors, (50747), 30767 states have internal predecessors, (50747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30768 states to 30768 states and 50747 transitions. [2022-10-16 15:22:55,724 INFO L78 Accepts]: Start accepts. Automaton has 30768 states and 50747 transitions. Word has length 74 [2022-10-16 15:22:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:55,724 INFO L495 AbstractCegarLoop]: Abstraction has 30768 states and 50747 transitions. [2022-10-16 15:22:55,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 30768 states and 50747 transitions. [2022-10-16 15:22:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:22:55,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:55,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:55,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:22:55,726 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1872126250, now seen corresponding path program 1 times [2022-10-16 15:22:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:55,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828877693] [2022-10-16 15:22:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:55,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:55,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:55,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828877693] [2022-10-16 15:22:55,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828877693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:55,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:55,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:55,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712552961] [2022-10-16 15:22:55,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:55,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:55,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:55,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:55,843 INFO L87 Difference]: Start difference. First operand 30768 states and 50747 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:57,563 INFO L93 Difference]: Finished difference Result 81898 states and 135522 transitions. [2022-10-16 15:22:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:57,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:22:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:57,821 INFO L225 Difference]: With dead ends: 81898 [2022-10-16 15:22:57,821 INFO L226 Difference]: Without dead ends: 51216 [2022-10-16 15:22:57,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:57,873 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 574 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:57,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 798 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:22:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51216 states. [2022-10-16 15:22:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51216 to 43104. [2022-10-16 15:22:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43104 states, 43070 states have (on average 1.6409798003250522) internal successors, (70677), 43103 states have internal predecessors, (70677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43104 states to 43104 states and 70677 transitions. [2022-10-16 15:22:59,657 INFO L78 Accepts]: Start accepts. Automaton has 43104 states and 70677 transitions. Word has length 76 [2022-10-16 15:22:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:59,658 INFO L495 AbstractCegarLoop]: Abstraction has 43104 states and 70677 transitions. [2022-10-16 15:22:59,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 43104 states and 70677 transitions. [2022-10-16 15:22:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:22:59,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:59,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:59,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:22:59,660 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:59,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2093627748, now seen corresponding path program 1 times [2022-10-16 15:22:59,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:59,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723096627] [2022-10-16 15:22:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:59,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:59,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:59,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723096627] [2022-10-16 15:22:59,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723096627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:59,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:59,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:59,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275591763] [2022-10-16 15:22:59,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:59,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:59,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:59,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:59,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:59,755 INFO L87 Difference]: Start difference. First operand 43104 states and 70677 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:01,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:01,516 INFO L93 Difference]: Finished difference Result 63033 states and 103947 transitions. [2022-10-16 15:23:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:01,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:23:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:01,643 INFO L225 Difference]: With dead ends: 63033 [2022-10-16 15:23:01,643 INFO L226 Difference]: Without dead ends: 63032 [2022-10-16 15:23:01,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:01,663 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 564 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:01,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 489 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63032 states. [2022-10-16 15:23:03,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63032 to 62865. [2022-10-16 15:23:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62865 states, 62831 states have (on average 1.6408301634543458) internal successors, (103095), 62864 states have internal predecessors, (103095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62865 states to 62865 states and 103095 transitions. [2022-10-16 15:23:04,173 INFO L78 Accepts]: Start accepts. Automaton has 62865 states and 103095 transitions. Word has length 77 [2022-10-16 15:23:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:04,174 INFO L495 AbstractCegarLoop]: Abstraction has 62865 states and 103095 transitions. [2022-10-16 15:23:04,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 62865 states and 103095 transitions. [2022-10-16 15:23:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:23:04,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:04,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:04,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:23:04,176 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:04,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1931550530, now seen corresponding path program 1 times [2022-10-16 15:23:04,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:04,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441124628] [2022-10-16 15:23:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:04,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:04,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:04,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441124628] [2022-10-16 15:23:04,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441124628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:04,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:04,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:04,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450679171] [2022-10-16 15:23:04,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:04,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:04,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:04,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:04,280 INFO L87 Difference]: Start difference. First operand 62865 states and 103095 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:08,719 INFO L93 Difference]: Finished difference Result 203218 states and 334174 transitions. [2022-10-16 15:23:08,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:08,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 15:23:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:09,009 INFO L225 Difference]: With dead ends: 203218 [2022-10-16 15:23:09,010 INFO L226 Difference]: Without dead ends: 140439 [2022-10-16 15:23:09,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:09,079 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 570 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:09,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 869 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:09,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140439 states. [2022-10-16 15:23:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140439 to 101355. [2022-10-16 15:23:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101355 states, 101321 states have (on average 1.6288133753121268) internal successors, (165033), 101354 states have internal predecessors, (165033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101355 states to 101355 states and 165033 transitions. [2022-10-16 15:23:13,611 INFO L78 Accepts]: Start accepts. Automaton has 101355 states and 165033 transitions. Word has length 79 [2022-10-16 15:23:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:13,619 INFO L495 AbstractCegarLoop]: Abstraction has 101355 states and 165033 transitions. [2022-10-16 15:23:13,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 101355 states and 165033 transitions. [2022-10-16 15:23:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:23:13,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:13,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:13,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:23:13,621 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:13,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:13,622 INFO L85 PathProgramCache]: Analyzing trace with hash 251476367, now seen corresponding path program 1 times [2022-10-16 15:23:13,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:13,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121813563] [2022-10-16 15:23:13,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:13,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:13,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121813563] [2022-10-16 15:23:13,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121813563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:13,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:13,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:13,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974463151] [2022-10-16 15:23:13,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:13,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:13,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:13,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:13,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:13,715 INFO L87 Difference]: Start difference. First operand 101355 states and 165033 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:18,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:18,151 INFO L93 Difference]: Finished difference Result 144492 states and 235987 transitions. [2022-10-16 15:23:18,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:18,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 15:23:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:18,550 INFO L225 Difference]: With dead ends: 144492 [2022-10-16 15:23:18,551 INFO L226 Difference]: Without dead ends: 144491 [2022-10-16 15:23:18,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:18,589 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 563 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:18,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 529 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144491 states. [2022-10-16 15:23:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144491 to 144165. [2022-10-16 15:23:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144165 states, 144131 states have (on average 1.6236548695284152) internal successors, (234019), 144164 states have internal predecessors, (234019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144165 states to 144165 states and 234019 transitions. [2022-10-16 15:23:24,726 INFO L78 Accepts]: Start accepts. Automaton has 144165 states and 234019 transitions. Word has length 80 [2022-10-16 15:23:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:24,727 INFO L495 AbstractCegarLoop]: Abstraction has 144165 states and 234019 transitions. [2022-10-16 15:23:24,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 144165 states and 234019 transitions. [2022-10-16 15:23:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:23:24,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:24,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:24,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:23:24,728 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:24,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:24,729 INFO L85 PathProgramCache]: Analyzing trace with hash 698940798, now seen corresponding path program 1 times [2022-10-16 15:23:24,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:24,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679933432] [2022-10-16 15:23:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:24,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:24,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:24,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679933432] [2022-10-16 15:23:24,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679933432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:24,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:24,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980371972] [2022-10-16 15:23:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:24,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:24,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:24,835 INFO L87 Difference]: Start difference. First operand 144165 states and 234019 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:36,005 INFO L93 Difference]: Finished difference Result 337519 states and 552576 transitions. [2022-10-16 15:23:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:36,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:23:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:37,067 INFO L225 Difference]: With dead ends: 337519 [2022-10-16 15:23:37,068 INFO L226 Difference]: Without dead ends: 337517 [2022-10-16 15:23:37,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:37,171 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 560 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:37,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 784 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337517 states. [2022-10-16 15:23:48,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337517 to 263851. [2022-10-16 15:23:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263851 states, 263817 states have (on average 1.6228408328500439) internal successors, (428133), 263850 states have internal predecessors, (428133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263851 states to 263851 states and 428133 transitions. [2022-10-16 15:23:50,019 INFO L78 Accepts]: Start accepts. Automaton has 263851 states and 428133 transitions. Word has length 90 [2022-10-16 15:23:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:50,019 INFO L495 AbstractCegarLoop]: Abstraction has 263851 states and 428133 transitions. [2022-10-16 15:23:50,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 263851 states and 428133 transitions. [2022-10-16 15:23:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:23:50,020 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:50,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:50,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:23:50,020 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:50,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:50,021 INFO L85 PathProgramCache]: Analyzing trace with hash 192328957, now seen corresponding path program 1 times [2022-10-16 15:23:50,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:50,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856074327] [2022-10-16 15:23:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:50,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:50,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:50,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856074327] [2022-10-16 15:23:50,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856074327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:50,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:50,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:50,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939172465] [2022-10-16 15:23:50,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:50,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:50,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:50,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:50,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:50,125 INFO L87 Difference]: Start difference. First operand 263851 states and 428133 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:02,190 INFO L93 Difference]: Finished difference Result 342359 states and 557687 transitions. [2022-10-16 15:24:02,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:24:02,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:24:02,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:03,027 INFO L225 Difference]: With dead ends: 342359 [2022-10-16 15:24:03,027 INFO L226 Difference]: Without dead ends: 342357 [2022-10-16 15:24:03,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:03,134 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 555 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:03,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 536 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:03,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342357 states. [2022-10-16 15:24:17,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342357 to 342327. [2022-10-16 15:24:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342327 states, 342293 states have (on average 1.6159956528471222) internal successors, (553144), 342326 states have internal predecessors, (553144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342327 states to 342327 states and 553144 transitions. [2022-10-16 15:24:19,834 INFO L78 Accepts]: Start accepts. Automaton has 342327 states and 553144 transitions. Word has length 91 [2022-10-16 15:24:19,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:19,834 INFO L495 AbstractCegarLoop]: Abstraction has 342327 states and 553144 transitions. [2022-10-16 15:24:19,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 342327 states and 553144 transitions. [2022-10-16 15:24:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:24:19,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:19,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:19,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:24:19,836 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:24:19,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:19,837 INFO L85 PathProgramCache]: Analyzing trace with hash -784537265, now seen corresponding path program 1 times [2022-10-16 15:24:19,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:19,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882359984] [2022-10-16 15:24:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:20,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:20,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882359984] [2022-10-16 15:24:20,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882359984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:20,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:20,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:24:20,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051542197] [2022-10-16 15:24:20,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:20,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:24:20,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:20,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:24:20,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:20,132 INFO L87 Difference]: Start difference. First operand 342327 states and 553144 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:35,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:35,708 INFO L93 Difference]: Finished difference Result 684596 states and 1106172 transitions. [2022-10-16 15:24:35,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:24:35,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:24:35,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:37,063 INFO L225 Difference]: With dead ends: 684596 [2022-10-16 15:24:37,063 INFO L226 Difference]: Without dead ends: 342355 [2022-10-16 15:24:37,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:24:37,629 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 254 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:37,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 881 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:24:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342355 states. [2022-10-16 15:24:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342355 to 342327. [2022-10-16 15:24:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342327 states, 342293 states have (on average 1.6110875770173507) internal successors, (551464), 342326 states have internal predecessors, (551464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342327 states to 342327 states and 551464 transitions. [2022-10-16 15:24:56,660 INFO L78 Accepts]: Start accepts. Automaton has 342327 states and 551464 transitions. Word has length 92 [2022-10-16 15:24:56,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:56,660 INFO L495 AbstractCegarLoop]: Abstraction has 342327 states and 551464 transitions. [2022-10-16 15:24:56,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 342327 states and 551464 transitions. [2022-10-16 15:24:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:24:56,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:56,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:56,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:24:56,662 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:24:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:56,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1667231072, now seen corresponding path program 1 times [2022-10-16 15:24:56,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:56,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702893724] [2022-10-16 15:24:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:56,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:56,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702893724] [2022-10-16 15:24:56,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702893724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:56,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:56,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:24:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690021285] [2022-10-16 15:24:56,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:56,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:24:56,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:56,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:24:56,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:56,778 INFO L87 Difference]: Start difference. First operand 342327 states and 551464 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:25:30,235 INFO L93 Difference]: Finished difference Result 1120131 states and 1810094 transitions. [2022-10-16 15:25:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:25:30,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:25:30,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:25:32,752 INFO L225 Difference]: With dead ends: 1120131 [2022-10-16 15:25:32,752 INFO L226 Difference]: Without dead ends: 777890 [2022-10-16 15:25:33,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:25:33,301 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1277 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:25:33,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 1558 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:25:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777890 states.