/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:16:19,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:16:19,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:16:19,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:16:19,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:16:19,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:16:19,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:16:19,288 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 15:16:19,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:16:19,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:16:19,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:16:19,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:16:19,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:16:19,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:16:19,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:16:19,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:16:19,349 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:16:19,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:16:19,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:16:19,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:16:19,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:16:19,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:16:19,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:16:19,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:16:19,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:16:19,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:16:19,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:16:19,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:16:19,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:16:19,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:19,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:16:19,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:16:19,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:16:19,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:16:19,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:16:19,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:16:19,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:16:19,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:16:19,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:16:19,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:16:19,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:16:19,751 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:16:19,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:16:19,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590affb14/dd7f16fe2d6c4a5197b5cc802ef492b6/FLAG56612fb47 [2022-10-16 15:16:20,453 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:16:20,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:16:20,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590affb14/dd7f16fe2d6c4a5197b5cc802ef492b6/FLAG56612fb47 [2022-10-16 15:16:20,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590affb14/dd7f16fe2d6c4a5197b5cc802ef492b6 [2022-10-16 15:16:20,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:16:20,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:16:20,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:20,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:16:20,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:16:20,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:20" (1/1) ... [2022-10-16 15:16:20,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4984865c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:20, skipping insertion in model container [2022-10-16 15:16:20,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:20" (1/1) ... [2022-10-16 15:16:20,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:16:20,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:16:21,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c[8305,8318] [2022-10-16 15:16:21,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:21,094 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:16:21,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.UNBOUNDED.pals.c[8305,8318] [2022-10-16 15:16:21,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:21,245 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:16:21,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21 WrapperNode [2022-10-16 15:16:21,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:21,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:21,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:16:21,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:16:21,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,321 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 294 [2022-10-16 15:16:21,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:21,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:16:21,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:16:21,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:16:21,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,390 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:16:21,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:16:21,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:16:21,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:16:21,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (1/1) ... [2022-10-16 15:16:21,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:21,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:16:21,467 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 15:16:21,487 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 15:16:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:16:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:16:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:16:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:16:21,645 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:16:21,647 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:16:22,301 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:16:22,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:16:22,318 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:16:22,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:22 BoogieIcfgContainer [2022-10-16 15:16:22,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:16:22,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:16:22,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:16:22,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:16:22,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:20" (1/3) ... [2022-10-16 15:16:22,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aff108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:22, skipping insertion in model container [2022-10-16 15:16:22,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:21" (2/3) ... [2022-10-16 15:16:22,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aff108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:22, skipping insertion in model container [2022-10-16 15:16:22,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:22" (3/3) ... [2022-10-16 15:16:22,344 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:16:22,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:16:22,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 15:16:22,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:16:22,450 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;@2361c598, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:16:22,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 15:16:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 116 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 15:16:22,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:22,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:22,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:22,478 INFO L85 PathProgramCache]: Analyzing trace with hash 918399317, now seen corresponding path program 1 times [2022-10-16 15:16:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:22,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484139818] [2022-10-16 15:16:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:22,717 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 15:16:22,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:22,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484139818] [2022-10-16 15:16:22,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484139818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:22,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:22,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:16:22,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610422815] [2022-10-16 15:16:22,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:22,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:16:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:22,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:16:22,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:16:22,788 INFO L87 Difference]: Start difference. First operand has 117 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 116 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:22,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:22,851 INFO L93 Difference]: Finished difference Result 200 states and 283 transitions. [2022-10-16 15:16:22,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:16:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 15:16:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:22,869 INFO L225 Difference]: With dead ends: 200 [2022-10-16 15:16:22,870 INFO L226 Difference]: Without dead ends: 110 [2022-10-16 15:16:22,875 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 15:16:22,882 INFO L413 NwaCegarLoop]: 160 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, 160 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 15:16:22,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-10-16 15:16:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-10-16 15:16:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 109 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2022-10-16 15:16:22,961 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 11 [2022-10-16 15:16:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:22,964 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2022-10-16 15:16:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2022-10-16 15:16:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 15:16:22,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:22,971 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] [2022-10-16 15:16:22,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:16:22,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:22,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash -440148189, now seen corresponding path program 1 times [2022-10-16 15:16:22,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:22,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650526080] [2022-10-16 15:16:22,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:22,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:23,312 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 15:16:23,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:23,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650526080] [2022-10-16 15:16:23,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650526080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:23,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:23,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:23,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154980398] [2022-10-16 15:16:23,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:23,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:23,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:23,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:23,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:23,319 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:23,417 INFO L93 Difference]: Finished difference Result 195 states and 270 transitions. [2022-10-16 15:16:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:23,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 15:16:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:23,419 INFO L225 Difference]: With dead ends: 195 [2022-10-16 15:16:23,419 INFO L226 Difference]: Without dead ends: 110 [2022-10-16 15:16:23,421 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 15:16:23,422 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 3 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:23,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 602 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-10-16 15:16:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-10-16 15:16:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 109 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 136 transitions. [2022-10-16 15:16:23,445 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 136 transitions. Word has length 25 [2022-10-16 15:16:23,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:23,446 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 136 transitions. [2022-10-16 15:16:23,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 136 transitions. [2022-10-16 15:16:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:16:23,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:23,450 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] [2022-10-16 15:16:23,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:16:23,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:23,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash 681320958, now seen corresponding path program 1 times [2022-10-16 15:16:23,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:23,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924962967] [2022-10-16 15:16:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:23,714 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 15:16:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:23,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924962967] [2022-10-16 15:16:23,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924962967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:23,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:23,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:23,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285843817] [2022-10-16 15:16:23,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:23,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:23,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:23,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:23,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:23,718 INFO L87 Difference]: Start difference. First operand 110 states and 136 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:23,934 INFO L93 Difference]: Finished difference Result 269 states and 350 transitions. [2022-10-16 15:16:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:23,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 15:16:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:23,942 INFO L225 Difference]: With dead ends: 269 [2022-10-16 15:16:23,942 INFO L226 Difference]: Without dead ends: 266 [2022-10-16 15:16:23,944 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 15:16:23,951 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 315 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:23,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 240 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:23,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-10-16 15:16:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 173. [2022-10-16 15:16:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 155 states have (on average 1.5483870967741935) internal successors, (240), 172 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2022-10-16 15:16:23,976 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 47 [2022-10-16 15:16:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:23,976 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2022-10-16 15:16:23,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2022-10-16 15:16:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 15:16:23,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:23,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:23,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:16:23,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:23,981 INFO L85 PathProgramCache]: Analyzing trace with hash -353886447, now seen corresponding path program 1 times [2022-10-16 15:16:23,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:23,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513177145] [2022-10-16 15:16:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:24,163 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 15:16:24,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:24,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513177145] [2022-10-16 15:16:24,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513177145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:24,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:24,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:24,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733136836] [2022-10-16 15:16:24,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:24,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:24,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:24,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:24,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:24,172 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:24,311 INFO L93 Difference]: Finished difference Result 251 states and 347 transitions. [2022-10-16 15:16:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 15:16:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:24,314 INFO L225 Difference]: With dead ends: 251 [2022-10-16 15:16:24,314 INFO L226 Difference]: Without dead ends: 248 [2022-10-16 15:16:24,315 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 15:16:24,316 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 314 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:24,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 164 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-10-16 15:16:24,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 236. [2022-10-16 15:16:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 218 states have (on average 1.5642201834862386) internal successors, (341), 235 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 341 transitions. [2022-10-16 15:16:24,339 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 341 transitions. Word has length 48 [2022-10-16 15:16:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:24,339 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 341 transitions. [2022-10-16 15:16:24,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 341 transitions. [2022-10-16 15:16:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:16:24,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:24,342 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] [2022-10-16 15:16:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:16:24,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1914422368, now seen corresponding path program 1 times [2022-10-16 15:16:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:24,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883739672] [2022-10-16 15:16:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:24,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:24,571 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 15:16:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:24,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883739672] [2022-10-16 15:16:24,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883739672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:24,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:24,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944077989] [2022-10-16 15:16:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:24,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:24,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:24,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:24,575 INFO L87 Difference]: Start difference. First operand 236 states and 341 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:24,793 INFO L93 Difference]: Finished difference Result 398 states and 546 transitions. [2022-10-16 15:16:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:16:24,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 15:16:24,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:24,796 INFO L225 Difference]: With dead ends: 398 [2022-10-16 15:16:24,796 INFO L226 Difference]: Without dead ends: 395 [2022-10-16 15:16:24,797 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 15:16:24,799 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 596 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:24,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 337 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:24,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-10-16 15:16:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 299. [2022-10-16 15:16:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 281 states have (on average 1.5622775800711743) internal successors, (439), 298 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 439 transitions. [2022-10-16 15:16:24,823 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 439 transitions. Word has length 49 [2022-10-16 15:16:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:24,824 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 439 transitions. [2022-10-16 15:16:24,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 439 transitions. [2022-10-16 15:16:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:16:24,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:24,827 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] [2022-10-16 15:16:24,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:16:24,827 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:24,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:24,828 INFO L85 PathProgramCache]: Analyzing trace with hash -439101070, now seen corresponding path program 1 times [2022-10-16 15:16:24,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:24,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674629660] [2022-10-16 15:16:24,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:24,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:24,893 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 15:16:24,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:24,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674629660] [2022-10-16 15:16:24,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674629660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:24,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:24,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039603938] [2022-10-16 15:16:24,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:24,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:24,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:24,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:24,897 INFO L87 Difference]: Start difference. First operand 299 states and 439 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:24,945 INFO L93 Difference]: Finished difference Result 815 states and 1219 transitions. [2022-10-16 15:16:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:24,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 15:16:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:24,949 INFO L225 Difference]: With dead ends: 815 [2022-10-16 15:16:24,949 INFO L226 Difference]: Without dead ends: 545 [2022-10-16 15:16:24,954 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 15:16:24,958 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 93 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 321 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 15:16:24,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 321 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2022-10-16 15:16:25,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 527. [2022-10-16 15:16:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 509 states have (on average 1.581532416502947) internal successors, (805), 526 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 805 transitions. [2022-10-16 15:16:25,029 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 805 transitions. Word has length 49 [2022-10-16 15:16:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:25,035 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 805 transitions. [2022-10-16 15:16:25,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 805 transitions. [2022-10-16 15:16:25,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 15:16:25,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:25,038 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] [2022-10-16 15:16:25,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:16:25,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -782448397, now seen corresponding path program 1 times [2022-10-16 15:16:25,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:25,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986231385] [2022-10-16 15:16:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:25,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:25,190 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 15:16:25,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:25,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986231385] [2022-10-16 15:16:25,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986231385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:25,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:25,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:25,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153492221] [2022-10-16 15:16:25,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:25,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:25,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:25,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:25,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:25,195 INFO L87 Difference]: Start difference. First operand 527 states and 805 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:25,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:25,469 INFO L93 Difference]: Finished difference Result 671 states and 1002 transitions. [2022-10-16 15:16:25,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 15:16:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:25,474 INFO L225 Difference]: With dead ends: 671 [2022-10-16 15:16:25,474 INFO L226 Difference]: Without dead ends: 668 [2022-10-16 15:16:25,475 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 15:16:25,476 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 515 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:25,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 295 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:25,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-10-16 15:16:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 647. [2022-10-16 15:16:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 629 states have (on average 1.5643879173290938) internal successors, (984), 646 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 984 transitions. [2022-10-16 15:16:25,517 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 984 transitions. Word has length 50 [2022-10-16 15:16:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:25,517 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 984 transitions. [2022-10-16 15:16:25,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 984 transitions. [2022-10-16 15:16:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:16:25,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:25,520 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 15:16:25,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:16:25,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1513903810, now seen corresponding path program 1 times [2022-10-16 15:16:25,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:25,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022715068] [2022-10-16 15:16:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:25,662 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 15:16:25,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:25,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022715068] [2022-10-16 15:16:25,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022715068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:25,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:25,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:25,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103369152] [2022-10-16 15:16:25,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:25,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:25,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:25,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:25,666 INFO L87 Difference]: Start difference. First operand 647 states and 984 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 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 15:16:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:26,194 INFO L93 Difference]: Finished difference Result 2399 states and 3670 transitions. [2022-10-16 15:16:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:16:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 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 15:16:26,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:26,206 INFO L225 Difference]: With dead ends: 2399 [2022-10-16 15:16:26,206 INFO L226 Difference]: Without dead ends: 1781 [2022-10-16 15:16:26,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:16:26,209 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1066 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:26,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 739 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:16:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-10-16 15:16:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1247. [2022-10-16 15:16:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1229 states have (on average 1.5370219690805533) internal successors, (1889), 1246 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:26,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1889 transitions. [2022-10-16 15:16:26,317 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1889 transitions. Word has length 51 [2022-10-16 15:16:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:26,318 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1889 transitions. [2022-10-16 15:16:26,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 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 15:16:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1889 transitions. [2022-10-16 15:16:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:16:26,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:26,322 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 15:16:26,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:16:26,331 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:26,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1628265932, now seen corresponding path program 1 times [2022-10-16 15:16:26,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:26,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103341834] [2022-10-16 15:16:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:26,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:26,388 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 15:16:26,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:26,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103341834] [2022-10-16 15:16:26,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103341834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:26,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:26,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:26,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828189111] [2022-10-16 15:16:26,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:26,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:26,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:26,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:26,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:26,391 INFO L87 Difference]: Start difference. First operand 1247 states and 1889 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 15:16:26,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:26,536 INFO L93 Difference]: Finished difference Result 3563 states and 5409 transitions. [2022-10-16 15:16:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:26,537 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 15:16:26,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:26,550 INFO L225 Difference]: With dead ends: 3563 [2022-10-16 15:16:26,550 INFO L226 Difference]: Without dead ends: 2345 [2022-10-16 15:16:26,552 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 15:16:26,555 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 89 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 320 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 15:16:26,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 320 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2022-10-16 15:16:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2327. [2022-10-16 15:16:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2309 states have (on average 1.5283672585534864) internal successors, (3529), 2326 states have internal predecessors, (3529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3529 transitions. [2022-10-16 15:16:26,706 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3529 transitions. Word has length 51 [2022-10-16 15:16:26,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:26,706 INFO L495 AbstractCegarLoop]: Abstraction has 2327 states and 3529 transitions. [2022-10-16 15:16:26,706 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 15:16:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3529 transitions. [2022-10-16 15:16:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:16:26,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:26,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:26,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:16:26,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -313621803, now seen corresponding path program 1 times [2022-10-16 15:16:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076189477] [2022-10-16 15:16:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:26,899 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 15:16:26,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:26,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076189477] [2022-10-16 15:16:26,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076189477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:26,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:26,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:26,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115796473] [2022-10-16 15:16:26,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:26,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:26,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:26,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:26,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:26,903 INFO L87 Difference]: Start difference. First operand 2327 states and 3529 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:27,460 INFO L93 Difference]: Finished difference Result 3284 states and 4993 transitions. [2022-10-16 15:16:27,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:16:27,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 15:16:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:27,478 INFO L225 Difference]: With dead ends: 3284 [2022-10-16 15:16:27,479 INFO L226 Difference]: Without dead ends: 3281 [2022-10-16 15:16:27,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:16:27,481 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 918 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:27,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 522 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:16:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2022-10-16 15:16:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3239. [2022-10-16 15:16:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 3221 states have (on average 1.5128841974542067) internal successors, (4873), 3238 states have internal predecessors, (4873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 4873 transitions. [2022-10-16 15:16:27,737 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 4873 transitions. Word has length 52 [2022-10-16 15:16:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:27,737 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 4873 transitions. [2022-10-16 15:16:27,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 4873 transitions. [2022-10-16 15:16:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:16:27,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:27,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:27,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:16:27,740 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash -508822245, now seen corresponding path program 1 times [2022-10-16 15:16:27,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:27,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340610408] [2022-10-16 15:16:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:27,797 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 15:16:27,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:27,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340610408] [2022-10-16 15:16:27,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340610408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:27,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:27,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:27,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281284215] [2022-10-16 15:16:27,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:27,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:27,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:27,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:27,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:27,801 INFO L87 Difference]: Start difference. First operand 3239 states and 4873 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:28,173 INFO L93 Difference]: Finished difference Result 9155 states and 13777 transitions. [2022-10-16 15:16:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:28,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 15:16:28,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:28,206 INFO L225 Difference]: With dead ends: 9155 [2022-10-16 15:16:28,207 INFO L226 Difference]: Without dead ends: 5945 [2022-10-16 15:16:28,211 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 15:16:28,213 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 93 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 327 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 15:16:28,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 327 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5945 states. [2022-10-16 15:16:28,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5945 to 5927. [2022-10-16 15:16:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 5909 states have (on average 1.5022846505330851) internal successors, (8877), 5926 states have internal predecessors, (8877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8877 transitions. [2022-10-16 15:16:28,620 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8877 transitions. Word has length 52 [2022-10-16 15:16:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:28,620 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 8877 transitions. [2022-10-16 15:16:28,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8877 transitions. [2022-10-16 15:16:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:16:28,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:28,622 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] [2022-10-16 15:16:28,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:16:28,622 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:28,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:28,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1652005622, now seen corresponding path program 1 times [2022-10-16 15:16:28,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:28,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731145057] [2022-10-16 15:16:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:28,720 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 15:16:28,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:28,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731145057] [2022-10-16 15:16:28,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731145057] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:28,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:28,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:28,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070251787] [2022-10-16 15:16:28,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:28,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:28,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:28,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:28,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:28,723 INFO L87 Difference]: Start difference. First operand 5927 states and 8877 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:29,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:29,372 INFO L93 Difference]: Finished difference Result 17051 states and 25453 transitions. [2022-10-16 15:16:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:29,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 15:16:29,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:29,435 INFO L225 Difference]: With dead ends: 17051 [2022-10-16 15:16:29,435 INFO L226 Difference]: Without dead ends: 11153 [2022-10-16 15:16:29,447 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 15:16:29,448 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 85 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 326 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 15:16:29,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 326 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11153 states. [2022-10-16 15:16:30,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11153 to 11135. [2022-10-16 15:16:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11135 states, 11117 states have (on average 1.4835837006386614) internal successors, (16493), 11134 states have internal predecessors, (16493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11135 states to 11135 states and 16493 transitions. [2022-10-16 15:16:30,486 INFO L78 Accepts]: Start accepts. Automaton has 11135 states and 16493 transitions. Word has length 53 [2022-10-16 15:16:30,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:30,486 INFO L495 AbstractCegarLoop]: Abstraction has 11135 states and 16493 transitions. [2022-10-16 15:16:30,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 11135 states and 16493 transitions. [2022-10-16 15:16:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:16:30,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:30,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:30,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:16:30,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:30,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:30,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2110547062, now seen corresponding path program 1 times [2022-10-16 15:16:30,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:30,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843108565] [2022-10-16 15:16:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:30,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:30,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:30,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843108565] [2022-10-16 15:16:30,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843108565] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:30,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:30,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:30,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634917602] [2022-10-16 15:16:30,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:30,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:30,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:30,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:30,577 INFO L87 Difference]: Start difference. First operand 11135 states and 16493 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 15:16:31,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:31,422 INFO L93 Difference]: Finished difference Result 25981 states and 38323 transitions. [2022-10-16 15:16:31,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 15:16:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:31,468 INFO L225 Difference]: With dead ends: 25981 [2022-10-16 15:16:31,468 INFO L226 Difference]: Without dead ends: 14875 [2022-10-16 15:16:31,485 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 15:16:31,486 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 56 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 232 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 15:16:31,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 232 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14875 states. [2022-10-16 15:16:32,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14875 to 14689. [2022-10-16 15:16:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14689 states, 14671 states have (on average 1.4637720673437393) internal successors, (21475), 14688 states have internal predecessors, (21475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14689 states to 14689 states and 21475 transitions. [2022-10-16 15:16:32,699 INFO L78 Accepts]: Start accepts. Automaton has 14689 states and 21475 transitions. Word has length 79 [2022-10-16 15:16:32,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:32,700 INFO L495 AbstractCegarLoop]: Abstraction has 14689 states and 21475 transitions. [2022-10-16 15:16:32,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 15:16:32,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14689 states and 21475 transitions. [2022-10-16 15:16:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 15:16:32,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:32,703 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:32,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:16:32,703 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:32,704 INFO L85 PathProgramCache]: Analyzing trace with hash -175237704, now seen corresponding path program 1 times [2022-10-16 15:16:32,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:32,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270462103] [2022-10-16 15:16:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:32,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:33,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:33,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270462103] [2022-10-16 15:16:33,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270462103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:33,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:33,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:16:33,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341540764] [2022-10-16 15:16:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:33,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:33,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:33,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:33,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:33,068 INFO L87 Difference]: Start difference. First operand 14689 states and 21475 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,132 INFO L93 Difference]: Finished difference Result 29359 states and 42919 transitions. [2022-10-16 15:16:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:34,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 15:16:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,172 INFO L225 Difference]: With dead ends: 29359 [2022-10-16 15:16:34,172 INFO L226 Difference]: Without dead ends: 14701 [2022-10-16 15:16:34,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:34,192 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 207 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 383 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:34,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14701 states. [2022-10-16 15:16:35,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14701 to 14689. [2022-10-16 15:16:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14689 states, 14671 states have (on average 1.4561379592393155) internal successors, (21363), 14688 states have internal predecessors, (21363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14689 states to 14689 states and 21363 transitions. [2022-10-16 15:16:35,115 INFO L78 Accepts]: Start accepts. Automaton has 14689 states and 21363 transitions. Word has length 85 [2022-10-16 15:16:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:35,115 INFO L495 AbstractCegarLoop]: Abstraction has 14689 states and 21363 transitions. [2022-10-16 15:16:35,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 14689 states and 21363 transitions. [2022-10-16 15:16:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:16:35,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:35,118 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:35,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:16:35,120 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:35,120 INFO L85 PathProgramCache]: Analyzing trace with hash -543805068, now seen corresponding path program 1 times [2022-10-16 15:16:35,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:35,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687990768] [2022-10-16 15:16:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:35,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:35,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:35,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687990768] [2022-10-16 15:16:35,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687990768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:35,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:35,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:35,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631972060] [2022-10-16 15:16:35,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:35,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:35,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:35,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:35,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:35,280 INFO L87 Difference]: Start difference. First operand 14689 states and 21363 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:36,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:36,257 INFO L93 Difference]: Finished difference Result 19465 states and 28515 transitions. [2022-10-16 15:16:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:36,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:16:36,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:36,309 INFO L225 Difference]: With dead ends: 19465 [2022-10-16 15:16:36,310 INFO L226 Difference]: Without dead ends: 19462 [2022-10-16 15:16:36,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:36,319 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 146 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:36,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 319 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:36,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19462 states. [2022-10-16 15:16:37,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19462 to 16097. [2022-10-16 15:16:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16097 states, 16079 states have (on average 1.4582374525778967) internal successors, (23447), 16096 states have internal predecessors, (23447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16097 states to 16097 states and 23447 transitions. [2022-10-16 15:16:37,553 INFO L78 Accepts]: Start accepts. Automaton has 16097 states and 23447 transitions. Word has length 86 [2022-10-16 15:16:37,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:37,553 INFO L495 AbstractCegarLoop]: Abstraction has 16097 states and 23447 transitions. [2022-10-16 15:16:37,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 16097 states and 23447 transitions. [2022-10-16 15:16:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:16:37,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:37,556 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:37,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:16:37,557 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:37,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash 830407094, now seen corresponding path program 1 times [2022-10-16 15:16:37,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:37,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823589172] [2022-10-16 15:16:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:37,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:16:37,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:37,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823589172] [2022-10-16 15:16:37,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823589172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:37,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:37,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:37,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213473567] [2022-10-16 15:16:37,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:37,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:37,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:37,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:37,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:37,731 INFO L87 Difference]: Start difference. First operand 16097 states and 23447 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 15:16:38,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:38,624 INFO L93 Difference]: Finished difference Result 19465 states and 28131 transitions. [2022-10-16 15:16:38,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:38,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 88 [2022-10-16 15:16:38,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:38,662 INFO L225 Difference]: With dead ends: 19465 [2022-10-16 15:16:38,662 INFO L226 Difference]: Without dead ends: 19462 [2022-10-16 15:16:38,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:38,671 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 349 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:38,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 397 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:38,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19462 states. [2022-10-16 15:16:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19462 to 17209. [2022-10-16 15:16:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17209 states, 17191 states have (on average 1.4558199057646444) internal successors, (25027), 17208 states have internal predecessors, (25027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17209 states to 17209 states and 25027 transitions. [2022-10-16 15:16:39,879 INFO L78 Accepts]: Start accepts. Automaton has 17209 states and 25027 transitions. Word has length 88 [2022-10-16 15:16:39,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:39,880 INFO L495 AbstractCegarLoop]: Abstraction has 17209 states and 25027 transitions. [2022-10-16 15:16:39,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 15:16:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17209 states and 25027 transitions. [2022-10-16 15:16:39,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:16:39,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:39,882 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:39,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:16:39,883 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:39,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:39,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1389350486, now seen corresponding path program 1 times [2022-10-16 15:16:39,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:39,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947499651] [2022-10-16 15:16:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:39,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:40,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:40,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947499651] [2022-10-16 15:16:40,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947499651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:40,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:40,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:40,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769927605] [2022-10-16 15:16:40,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:40,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:40,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:40,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:40,044 INFO L87 Difference]: Start difference. First operand 17209 states and 25027 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:41,378 INFO L93 Difference]: Finished difference Result 22812 states and 32815 transitions. [2022-10-16 15:16:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:41,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:16:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:41,418 INFO L225 Difference]: With dead ends: 22812 [2022-10-16 15:16:41,418 INFO L226 Difference]: Without dead ends: 22809 [2022-10-16 15:16:41,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:41,427 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 350 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:41,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 407 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22809 states. [2022-10-16 15:16:42,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22809 to 22785. [2022-10-16 15:16:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22785 states, 22767 states have (on average 1.4329072780779197) internal successors, (32623), 22784 states have internal predecessors, (32623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22785 states to 22785 states and 32623 transitions. [2022-10-16 15:16:42,950 INFO L78 Accepts]: Start accepts. Automaton has 22785 states and 32623 transitions. Word has length 88 [2022-10-16 15:16:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:42,950 INFO L495 AbstractCegarLoop]: Abstraction has 22785 states and 32623 transitions. [2022-10-16 15:16:42,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 22785 states and 32623 transitions. [2022-10-16 15:16:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:16:42,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:42,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:42,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:16:42,953 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash 120192445, now seen corresponding path program 1 times [2022-10-16 15:16:42,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103264002] [2022-10-16 15:16:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:43,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:43,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103264002] [2022-10-16 15:16:43,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103264002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:43,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:43,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:43,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631641896] [2022-10-16 15:16:43,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:43,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:43,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:43,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:43,103 INFO L87 Difference]: Start difference. First operand 22785 states and 32623 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:44,532 INFO L93 Difference]: Finished difference Result 29946 states and 43567 transitions. [2022-10-16 15:16:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:44,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 15:16:44,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:44,568 INFO L225 Difference]: With dead ends: 29946 [2022-10-16 15:16:44,568 INFO L226 Difference]: Without dead ends: 29943 [2022-10-16 15:16:44,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:44,576 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 369 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:44,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 319 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29943 states. [2022-10-16 15:16:45,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29943 to 27537. [2022-10-16 15:16:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27537 states, 27519 states have (on average 1.4366437733929285) internal successors, (39535), 27536 states have internal predecessors, (39535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27537 states to 27537 states and 39535 transitions. [2022-10-16 15:16:45,877 INFO L78 Accepts]: Start accepts. Automaton has 27537 states and 39535 transitions. Word has length 89 [2022-10-16 15:16:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:45,877 INFO L495 AbstractCegarLoop]: Abstraction has 27537 states and 39535 transitions. [2022-10-16 15:16:45,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27537 states and 39535 transitions. [2022-10-16 15:16:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:16:45,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:45,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:45,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:16:45,881 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:45,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1176667941, now seen corresponding path program 1 times [2022-10-16 15:16:45,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:45,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353318244] [2022-10-16 15:16:45,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:45,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:46,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353318244] [2022-10-16 15:16:46,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353318244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:46,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:46,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:46,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534154959] [2022-10-16 15:16:46,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:46,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:46,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:46,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:46,009 INFO L87 Difference]: Start difference. First operand 27537 states and 39535 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:47,453 INFO L93 Difference]: Finished difference Result 32313 states and 47119 transitions. [2022-10-16 15:16:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:47,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 15:16:47,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:47,495 INFO L225 Difference]: With dead ends: 32313 [2022-10-16 15:16:47,495 INFO L226 Difference]: Without dead ends: 32310 [2022-10-16 15:16:47,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:47,505 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 139 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:47,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 322 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:47,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32310 states. [2022-10-16 15:16:49,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32310 to 32289. [2022-10-16 15:16:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32289 states, 32271 states have (on average 1.4511790771900468) internal successors, (46831), 32288 states have internal predecessors, (46831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32289 states to 32289 states and 46831 transitions. [2022-10-16 15:16:49,178 INFO L78 Accepts]: Start accepts. Automaton has 32289 states and 46831 transitions. Word has length 89 [2022-10-16 15:16:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:49,179 INFO L495 AbstractCegarLoop]: Abstraction has 32289 states and 46831 transitions. [2022-10-16 15:16:49,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32289 states and 46831 transitions. [2022-10-16 15:16:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:49,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:49,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:49,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:16:49,182 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:49,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:49,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2090196488, now seen corresponding path program 1 times [2022-10-16 15:16:49,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:49,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104643148] [2022-10-16 15:16:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:16:49,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:49,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104643148] [2022-10-16 15:16:49,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104643148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:49,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:49,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:49,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104791042] [2022-10-16 15:16:49,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:49,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:49,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:49,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:49,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:49,362 INFO L87 Difference]: Start difference. First operand 32289 states and 46831 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 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 15:16:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:50,955 INFO L93 Difference]: Finished difference Result 65682 states and 95027 transitions. [2022-10-16 15:16:50,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:16:50,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 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 90 [2022-10-16 15:16:50,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:51,005 INFO L225 Difference]: With dead ends: 65682 [2022-10-16 15:16:51,005 INFO L226 Difference]: Without dead ends: 33424 [2022-10-16 15:16:51,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:16:51,045 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 603 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:51,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 486 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33424 states. [2022-10-16 15:16:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33424 to 32289. [2022-10-16 15:16:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32289 states, 32271 states have (on average 1.4484521706795574) internal successors, (46743), 32288 states have internal predecessors, (46743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32289 states to 32289 states and 46743 transitions. [2022-10-16 15:16:52,387 INFO L78 Accepts]: Start accepts. Automaton has 32289 states and 46743 transitions. Word has length 90 [2022-10-16 15:16:52,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:52,387 INFO L495 AbstractCegarLoop]: Abstraction has 32289 states and 46743 transitions. [2022-10-16 15:16:52,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 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 15:16:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32289 states and 46743 transitions. [2022-10-16 15:16:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:52,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:52,390 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:52,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:16:52,390 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash -842688872, now seen corresponding path program 1 times [2022-10-16 15:16:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:52,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805384326] [2022-10-16 15:16:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:16:52,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:52,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805384326] [2022-10-16 15:16:52,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805384326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:52,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:52,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023572858] [2022-10-16 15:16:52,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:52,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:52,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:52,569 INFO L87 Difference]: Start difference. First operand 32289 states and 46743 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:55,070 INFO L93 Difference]: Finished difference Result 63133 states and 91599 transitions. [2022-10-16 15:16:55,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:16:55,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 15:16:55,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:55,129 INFO L225 Difference]: With dead ends: 63133 [2022-10-16 15:16:55,129 INFO L226 Difference]: Without dead ends: 36451 [2022-10-16 15:16:55,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:16:55,153 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 559 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:55,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 525 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:55,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36451 states. [2022-10-16 15:16:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36451 to 36433. [2022-10-16 15:16:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36433 states, 36415 states have (on average 1.4293834958121654) internal successors, (52051), 36432 states have internal predecessors, (52051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36433 states to 36433 states and 52051 transitions. [2022-10-16 15:16:57,201 INFO L78 Accepts]: Start accepts. Automaton has 36433 states and 52051 transitions. Word has length 90 [2022-10-16 15:16:57,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:57,201 INFO L495 AbstractCegarLoop]: Abstraction has 36433 states and 52051 transitions. [2022-10-16 15:16:57,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 36433 states and 52051 transitions. [2022-10-16 15:16:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:57,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:57,204 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:57,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:16:57,205 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:16:57,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:57,205 INFO L85 PathProgramCache]: Analyzing trace with hash -569001160, now seen corresponding path program 1 times [2022-10-16 15:16:57,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:57,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015517126] [2022-10-16 15:16:57,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:57,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:57,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015517126] [2022-10-16 15:16:57,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015517126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:57,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:57,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:57,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759263581] [2022-10-16 15:16:57,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:57,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:57,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:57,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:57,364 INFO L87 Difference]: Start difference. First operand 36433 states and 52051 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:00,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:00,086 INFO L93 Difference]: Finished difference Result 61405 states and 88215 transitions. [2022-10-16 15:17:00,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:00,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 15:17:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:00,142 INFO L225 Difference]: With dead ends: 61405 [2022-10-16 15:17:00,142 INFO L226 Difference]: Without dead ends: 39475 [2022-10-16 15:17:00,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:00,163 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 549 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:00,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 558 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39475 states. [2022-10-16 15:17:02,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39475 to 39457. [2022-10-16 15:17:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39457 states, 39439 states have (on average 1.4189761403686707) internal successors, (55963), 39456 states have internal predecessors, (55963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39457 states to 39457 states and 55963 transitions. [2022-10-16 15:17:02,148 INFO L78 Accepts]: Start accepts. Automaton has 39457 states and 55963 transitions. Word has length 90 [2022-10-16 15:17:02,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:02,148 INFO L495 AbstractCegarLoop]: Abstraction has 39457 states and 55963 transitions. [2022-10-16 15:17:02,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39457 states and 55963 transitions. [2022-10-16 15:17:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:17:02,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:02,151 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:02,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:17:02,151 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash 583796394, now seen corresponding path program 1 times [2022-10-16 15:17:02,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:02,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888462289] [2022-10-16 15:17:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:02,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:02,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:02,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888462289] [2022-10-16 15:17:02,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888462289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:02,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:02,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:02,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041385677] [2022-10-16 15:17:02,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:02,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:02,300 INFO L87 Difference]: Start difference. First operand 39457 states and 55963 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:04,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:04,497 INFO L93 Difference]: Finished difference Result 42825 states and 60647 transitions. [2022-10-16 15:17:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:04,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 15:17:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:04,546 INFO L225 Difference]: With dead ends: 42825 [2022-10-16 15:17:04,546 INFO L226 Difference]: Without dead ends: 42822 [2022-10-16 15:17:04,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:04,555 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 229 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:04,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 455 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:04,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42822 states. [2022-10-16 15:17:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42822 to 39457. [2022-10-16 15:17:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39457 states, 39439 states have (on average 1.4141078627754253) internal successors, (55771), 39456 states have internal predecessors, (55771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39457 states to 39457 states and 55771 transitions. [2022-10-16 15:17:06,689 INFO L78 Accepts]: Start accepts. Automaton has 39457 states and 55771 transitions. Word has length 90 [2022-10-16 15:17:06,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:06,689 INFO L495 AbstractCegarLoop]: Abstraction has 39457 states and 55771 transitions. [2022-10-16 15:17:06,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 39457 states and 55771 transitions. [2022-10-16 15:17:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:17:06,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:06,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:06,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:17:06,692 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2116967468, now seen corresponding path program 1 times [2022-10-16 15:17:06,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:06,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142112427] [2022-10-16 15:17:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:06,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:06,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:06,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142112427] [2022-10-16 15:17:06,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142112427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:06,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:06,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:06,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153271261] [2022-10-16 15:17:06,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:06,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:06,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:06,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:06,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:06,818 INFO L87 Difference]: Start difference. First operand 39457 states and 55771 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:08,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:08,688 INFO L93 Difference]: Finished difference Result 39466 states and 55771 transitions. [2022-10-16 15:17:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:08,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:17:08,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:08,736 INFO L225 Difference]: With dead ends: 39466 [2022-10-16 15:17:08,736 INFO L226 Difference]: Without dead ends: 39463 [2022-10-16 15:17:08,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:08,745 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 141 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:08,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 252 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:08,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39463 states. [2022-10-16 15:17:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39463 to 39454. [2022-10-16 15:17:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39454 states, 39439 states have (on average 1.3995030299956897) internal successors, (55195), 39453 states have internal predecessors, (55195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39454 states to 39454 states and 55195 transitions. [2022-10-16 15:17:10,831 INFO L78 Accepts]: Start accepts. Automaton has 39454 states and 55195 transitions. Word has length 90 [2022-10-16 15:17:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:10,832 INFO L495 AbstractCegarLoop]: Abstraction has 39454 states and 55195 transitions. [2022-10-16 15:17:10,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39454 states and 55195 transitions. [2022-10-16 15:17:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:17:10,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:10,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:10,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:17:10,835 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash -353550913, now seen corresponding path program 1 times [2022-10-16 15:17:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:10,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171411435] [2022-10-16 15:17:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:17:10,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:10,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171411435] [2022-10-16 15:17:10,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171411435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:10,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:10,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:10,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153925252] [2022-10-16 15:17:10,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:10,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:10,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:10,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:10,974 INFO L87 Difference]: Start difference. First operand 39454 states and 55195 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:14,180 INFO L93 Difference]: Finished difference Result 89361 states and 126459 transitions. [2022-10-16 15:17:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:14,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 15:17:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:14,249 INFO L225 Difference]: With dead ends: 89361 [2022-10-16 15:17:14,249 INFO L226 Difference]: Without dead ends: 56314 [2022-10-16 15:17:14,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:14,281 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 654 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:14,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 390 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56314 states. [2022-10-16 15:17:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56314 to 52470. [2022-10-16 15:17:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52470 states, 52455 states have (on average 1.408044990944619) internal successors, (73859), 52469 states have internal predecessors, (73859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52470 states to 52470 states and 73859 transitions. [2022-10-16 15:17:17,396 INFO L78 Accepts]: Start accepts. Automaton has 52470 states and 73859 transitions. Word has length 91 [2022-10-16 15:17:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:17,396 INFO L495 AbstractCegarLoop]: Abstraction has 52470 states and 73859 transitions. [2022-10-16 15:17:17,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 52470 states and 73859 transitions. [2022-10-16 15:17:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:17:17,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:17,398 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:17,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:17:17,399 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:17,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:17,399 INFO L85 PathProgramCache]: Analyzing trace with hash -459166433, now seen corresponding path program 1 times [2022-10-16 15:17:17,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:17,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899138279] [2022-10-16 15:17:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:17,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:17,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899138279] [2022-10-16 15:17:17,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899138279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:17,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:17,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014162592] [2022-10-16 15:17:17,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:17,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:17,552 INFO L87 Difference]: Start difference. First operand 52470 states and 73859 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:21,229 INFO L93 Difference]: Finished difference Result 113332 states and 160943 transitions. [2022-10-16 15:17:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:21,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:17:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:21,327 INFO L225 Difference]: With dead ends: 113332 [2022-10-16 15:17:21,327 INFO L226 Difference]: Without dead ends: 71221 [2022-10-16 15:17:21,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:21,361 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 618 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:21,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 407 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:21,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71221 states. [2022-10-16 15:17:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71221 to 62454. [2022-10-16 15:17:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62454 states, 62439 states have (on average 1.4162142250836818) internal successors, (88427), 62453 states have internal predecessors, (88427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62454 states to 62454 states and 88427 transitions. [2022-10-16 15:17:25,002 INFO L78 Accepts]: Start accepts. Automaton has 62454 states and 88427 transitions. Word has length 91 [2022-10-16 15:17:25,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:25,003 INFO L495 AbstractCegarLoop]: Abstraction has 62454 states and 88427 transitions. [2022-10-16 15:17:25,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 62454 states and 88427 transitions. [2022-10-16 15:17:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:17:25,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:25,005 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:25,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:17:25,006 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:25,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1201481731, now seen corresponding path program 1 times [2022-10-16 15:17:25,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:25,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897033609] [2022-10-16 15:17:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:25,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:25,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:25,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897033609] [2022-10-16 15:17:25,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897033609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:25,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:25,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:25,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270776831] [2022-10-16 15:17:25,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:25,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:25,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:25,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:25,131 INFO L87 Difference]: Start difference. First operand 62454 states and 88427 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 15:17:28,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:28,545 INFO L93 Difference]: Finished difference Result 64854 states and 91931 transitions. [2022-10-16 15:17:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:28,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 91 [2022-10-16 15:17:28,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:28,639 INFO L225 Difference]: With dead ends: 64854 [2022-10-16 15:17:28,639 INFO L226 Difference]: Without dead ends: 64851 [2022-10-16 15:17:28,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:28,653 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 334 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:28,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 403 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:28,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64851 states. [2022-10-16 15:17:31,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64851 to 64830. [2022-10-16 15:17:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64830 states, 64815 states have (on average 1.4161382396050297) internal successors, (91787), 64829 states have internal predecessors, (91787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64830 states to 64830 states and 91787 transitions. [2022-10-16 15:17:32,099 INFO L78 Accepts]: Start accepts. Automaton has 64830 states and 91787 transitions. Word has length 91 [2022-10-16 15:17:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:32,099 INFO L495 AbstractCegarLoop]: Abstraction has 64830 states and 91787 transitions. [2022-10-16 15:17:32,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 15:17:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 64830 states and 91787 transitions. [2022-10-16 15:17:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:17:32,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:32,102 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:32,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:17:32,102 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:32,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:32,103 INFO L85 PathProgramCache]: Analyzing trace with hash 739962127, now seen corresponding path program 1 times [2022-10-16 15:17:32,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:32,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691388774] [2022-10-16 15:17:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:32,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:32,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691388774] [2022-10-16 15:17:32,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691388774] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:32,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:32,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:32,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183623037] [2022-10-16 15:17:32,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:32,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:32,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:32,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:32,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:32,207 INFO L87 Difference]: Start difference. First operand 64830 states and 91787 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 15:17:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:35,487 INFO L93 Difference]: Finished difference Result 71982 states and 102731 transitions. [2022-10-16 15:17:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:35,488 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 91 [2022-10-16 15:17:35,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:35,583 INFO L225 Difference]: With dead ends: 71982 [2022-10-16 15:17:35,583 INFO L226 Difference]: Without dead ends: 71979 [2022-10-16 15:17:35,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:35,599 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 187 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:35,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 491 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:35,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71979 states. [2022-10-16 15:17:39,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71979 to 64830. [2022-10-16 15:17:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64830 states, 64815 states have (on average 1.4013268533518475) internal successors, (90827), 64829 states have internal predecessors, (90827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64830 states to 64830 states and 90827 transitions. [2022-10-16 15:17:39,355 INFO L78 Accepts]: Start accepts. Automaton has 64830 states and 90827 transitions. Word has length 91 [2022-10-16 15:17:39,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:39,356 INFO L495 AbstractCegarLoop]: Abstraction has 64830 states and 90827 transitions. [2022-10-16 15:17:39,356 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 15:17:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand 64830 states and 90827 transitions. [2022-10-16 15:17:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:17:39,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:39,358 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:39,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:17:39,359 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:39,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 414203212, now seen corresponding path program 1 times [2022-10-16 15:17:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:39,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058251360] [2022-10-16 15:17:39,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:17:39,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:39,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058251360] [2022-10-16 15:17:39,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058251360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:39,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:39,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:39,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046490432] [2022-10-16 15:17:39,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:39,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:39,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:39,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:39,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:39,515 INFO L87 Difference]: Start difference. First operand 64830 states and 90827 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:42,882 INFO L93 Difference]: Finished difference Result 65957 states and 92319 transitions. [2022-10-16 15:17:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:42,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 15:17:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:42,966 INFO L225 Difference]: With dead ends: 65957 [2022-10-16 15:17:42,967 INFO L226 Difference]: Without dead ends: 65954 [2022-10-16 15:17:42,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:42,980 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 457 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:42,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 485 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65954 states. [2022-10-16 15:17:46,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65954 to 65942. [2022-10-16 15:17:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65942 states, 65927 states have (on average 1.3983800263928283) internal successors, (92191), 65941 states have internal predecessors, (92191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65942 states to 65942 states and 92191 transitions. [2022-10-16 15:17:46,605 INFO L78 Accepts]: Start accepts. Automaton has 65942 states and 92191 transitions. Word has length 92 [2022-10-16 15:17:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:46,605 INFO L495 AbstractCegarLoop]: Abstraction has 65942 states and 92191 transitions. [2022-10-16 15:17:46,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 65942 states and 92191 transitions. [2022-10-16 15:17:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:17:46,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:46,607 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:46,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:17:46,608 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:46,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1435089388, now seen corresponding path program 1 times [2022-10-16 15:17:46,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:46,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248611719] [2022-10-16 15:17:46,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:46,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:46,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:46,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248611719] [2022-10-16 15:17:46,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248611719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:46,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:46,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000078517] [2022-10-16 15:17:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:46,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:46,760 INFO L87 Difference]: Start difference. First operand 65942 states and 92191 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:50,143 INFO L93 Difference]: Finished difference Result 69293 states and 96667 transitions. [2022-10-16 15:17:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:17:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:50,231 INFO L225 Difference]: With dead ends: 69293 [2022-10-16 15:17:50,231 INFO L226 Difference]: Without dead ends: 69290 [2022-10-16 15:17:50,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:50,247 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 436 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:50,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 515 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:50,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69290 states. [2022-10-16 15:17:53,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69290 to 69278. [2022-10-16 15:17:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69278 states, 69263 states have (on average 1.3938033293388967) internal successors, (96539), 69277 states have internal predecessors, (96539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69278 states to 69278 states and 96539 transitions. [2022-10-16 15:17:54,135 INFO L78 Accepts]: Start accepts. Automaton has 69278 states and 96539 transitions. Word has length 92 [2022-10-16 15:17:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:54,135 INFO L495 AbstractCegarLoop]: Abstraction has 69278 states and 96539 transitions. [2022-10-16 15:17:54,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 69278 states and 96539 transitions. [2022-10-16 15:17:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:17:54,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:54,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:54,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:17:54,138 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:17:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1612370292, now seen corresponding path program 1 times [2022-10-16 15:17:54,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:54,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834762518] [2022-10-16 15:17:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:54,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:54,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:54,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834762518] [2022-10-16 15:17:54,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834762518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:54,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:54,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:54,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902738740] [2022-10-16 15:17:54,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:54,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:54,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:54,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:54,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:54,298 INFO L87 Difference]: Start difference. First operand 69278 states and 96539 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:58,156 INFO L93 Difference]: Finished difference Result 79334 states and 110207 transitions. [2022-10-16 15:17:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:58,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:17:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:58,257 INFO L225 Difference]: With dead ends: 79334 [2022-10-16 15:17:58,257 INFO L226 Difference]: Without dead ends: 79331 [2022-10-16 15:17:58,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:58,273 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 429 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:58,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 594 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:58,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79331 states. [2022-10-16 15:18:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79331 to 79310. [2022-10-16 15:18:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79310 states, 79295 states have (on average 1.386606973958005) internal successors, (109951), 79309 states have internal predecessors, (109951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79310 states to 79310 states and 109951 transitions. [2022-10-16 15:18:02,802 INFO L78 Accepts]: Start accepts. Automaton has 79310 states and 109951 transitions. Word has length 92 [2022-10-16 15:18:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 79310 states and 109951 transitions. [2022-10-16 15:18:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 79310 states and 109951 transitions. [2022-10-16 15:18:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:18:02,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:02,804 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:02,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:18:02,805 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:18:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:02,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1408772342, now seen corresponding path program 1 times [2022-10-16 15:18:02,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:02,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123278530] [2022-10-16 15:18:02,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:02,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:02,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123278530] [2022-10-16 15:18:02,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123278530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:02,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:02,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290511709] [2022-10-16 15:18:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:02,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:02,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:02,939 INFO L87 Difference]: Start difference. First operand 79310 states and 109951 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 15:18:07,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:07,551 INFO L93 Difference]: Finished difference Result 95500 states and 134019 transitions. [2022-10-16 15:18:07,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:07,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 92 [2022-10-16 15:18:07,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:07,728 INFO L225 Difference]: With dead ends: 95500 [2022-10-16 15:18:07,729 INFO L226 Difference]: Without dead ends: 95497 [2022-10-16 15:18:07,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:07,748 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 361 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:07,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 322 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:18:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95497 states. [2022-10-16 15:18:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95497 to 95470. [2022-10-16 15:18:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95470 states, 95455 states have (on average 1.393441935990781) internal successors, (133011), 95469 states have internal predecessors, (133011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95470 states to 95470 states and 133011 transitions. [2022-10-16 15:18:13,233 INFO L78 Accepts]: Start accepts. Automaton has 95470 states and 133011 transitions. Word has length 92 [2022-10-16 15:18:13,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:13,234 INFO L495 AbstractCegarLoop]: Abstraction has 95470 states and 133011 transitions. [2022-10-16 15:18:13,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 15:18:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 95470 states and 133011 transitions. [2022-10-16 15:18:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:18:13,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:13,236 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:13,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:18:13,237 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:18:13,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:13,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1556128843, now seen corresponding path program 1 times [2022-10-16 15:18:13,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:13,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569193906] [2022-10-16 15:18:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:13,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:13,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:13,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569193906] [2022-10-16 15:18:13,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569193906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:13,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:13,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:13,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159292798] [2022-10-16 15:18:13,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:13,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:13,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:13,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:13,384 INFO L87 Difference]: Start difference. First operand 95470 states and 133011 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:19,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:19,290 INFO L93 Difference]: Finished difference Result 184990 states and 262315 transitions. [2022-10-16 15:18:19,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:19,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:18:19,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:19,487 INFO L225 Difference]: With dead ends: 184990 [2022-10-16 15:18:19,488 INFO L226 Difference]: Without dead ends: 116431 [2022-10-16 15:18:19,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:19,540 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 415 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:19,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 434 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:18:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116431 states. [2022-10-16 15:18:25,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116431 to 101806. [2022-10-16 15:18:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101806 states, 101791 states have (on average 1.4240846440255033) internal successors, (144959), 101805 states have internal predecessors, (144959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101806 states to 101806 states and 144959 transitions. [2022-10-16 15:18:25,751 INFO L78 Accepts]: Start accepts. Automaton has 101806 states and 144959 transitions. Word has length 93 [2022-10-16 15:18:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:25,751 INFO L495 AbstractCegarLoop]: Abstraction has 101806 states and 144959 transitions. [2022-10-16 15:18:25,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 101806 states and 144959 transitions. [2022-10-16 15:18:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:18:25,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:25,753 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:25,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:18:25,754 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:18:25,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash 722269983, now seen corresponding path program 1 times [2022-10-16 15:18:25,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:25,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831548378] [2022-10-16 15:18:25,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:25,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:25,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:25,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831548378] [2022-10-16 15:18:25,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831548378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:25,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:25,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:25,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253888617] [2022-10-16 15:18:25,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:25,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:25,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:25,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:25,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:25,912 INFO L87 Difference]: Start difference. First operand 101806 states and 144959 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 15:18:31,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:31,582 INFO L93 Difference]: Finished difference Result 168644 states and 240047 transitions. [2022-10-16 15:18:31,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:31,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 93 [2022-10-16 15:18:31,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:31,772 INFO L225 Difference]: With dead ends: 168644 [2022-10-16 15:18:31,772 INFO L226 Difference]: Without dead ends: 116080 [2022-10-16 15:18:31,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:31,818 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 551 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:31,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 529 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:18:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116080 states. [2022-10-16 15:18:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116080 to 104182. [2022-10-16 15:18:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104182 states, 104167 states have (on average 1.4212466520107137) internal successors, (148047), 104181 states have internal predecessors, (148047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104182 states to 104182 states and 148047 transitions. [2022-10-16 15:18:37,735 INFO L78 Accepts]: Start accepts. Automaton has 104182 states and 148047 transitions. Word has length 93 [2022-10-16 15:18:37,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:37,736 INFO L495 AbstractCegarLoop]: Abstraction has 104182 states and 148047 transitions. [2022-10-16 15:18:37,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 15:18:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 104182 states and 148047 transitions. [2022-10-16 15:18:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:18:37,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:37,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:37,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:18:37,738 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:18:37,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1875067537, now seen corresponding path program 1 times [2022-10-16 15:18:37,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:37,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550628056] [2022-10-16 15:18:37,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:37,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:38,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:38,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550628056] [2022-10-16 15:18:38,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550628056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:38,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:38,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362807057] [2022-10-16 15:18:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:38,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:38,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:38,093 INFO L87 Difference]: Start difference. First operand 104182 states and 148047 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)