/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:26:11,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:26:11,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:26:11,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:26:11,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:26:11,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:26:11,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:26:11,659 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 15:26:11,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:26:11,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:26:11,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:26:11,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:26:11,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:26:11,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:26:11,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:26:11,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:26:11,729 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:26:11,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:26:11,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:26:11,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:26:11,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:26:11,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:26:11,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:26:11,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:26:11,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:26:11,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:26:11,733 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:26:11,733 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:26:11,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:26:11,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:26:11,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:26:11,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:26:11,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:26:11,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:26:11,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:26:11,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:26:11,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:26:11,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:26:11,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:26:11,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:26:11,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:26:11,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:26:12,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:26:12,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:26:12,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:26:12,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:26:12,203 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:26:12,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:26:12,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6453940f3/2510a235400443b4acea6f7c765c74e0/FLAGc0b2d30fb [2022-10-16 15:26:12,933 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:26:12,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:26:12,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6453940f3/2510a235400443b4acea6f7c765c74e0/FLAGc0b2d30fb [2022-10-16 15:26:13,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6453940f3/2510a235400443b4acea6f7c765c74e0 [2022-10-16 15:26:13,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:26:13,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:26:13,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:26:13,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:26:13,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:26:13,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:13,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d11fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13, skipping insertion in model container [2022-10-16 15:26:13,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:13,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:26:13,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:26:13,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2022-10-16 15:26:13,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:26:13,660 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:26:13,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2022-10-16 15:26:13,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:26:13,875 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:26:13,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13 WrapperNode [2022-10-16 15:26:13,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:26:13,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:26:13,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:26:13,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:26:13,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:13,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,079 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1046 [2022-10-16 15:26:14,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:26:14,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:26:14,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:26:14,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:26:14,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:26:14,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:26:14,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:26:14,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:26:14,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (1/1) ... [2022-10-16 15:26:14,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:26:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:26:14,246 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 15:26:14,271 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 15:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:26:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:26:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:26:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:26:14,464 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:26:14,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:26:15,760 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:26:15,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:26:15,795 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:26:15,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:26:15 BoogieIcfgContainer [2022-10-16 15:26:15,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:26:15,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:26:15,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:26:15,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:26:15,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:26:13" (1/3) ... [2022-10-16 15:26:15,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a06df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:26:15, skipping insertion in model container [2022-10-16 15:26:15,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:13" (2/3) ... [2022-10-16 15:26:15,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a06df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:26:15, skipping insertion in model container [2022-10-16 15:26:15,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:26:15" (3/3) ... [2022-10-16 15:26:15,829 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:26:15,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:26:15,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:26:15,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:26:15,996 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;@5bc01d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:26:15,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:26:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 368 states have (on average 1.828804347826087) internal successors, (673), 414 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:26:16,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:16,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:16,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:16,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:16,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1596443226, now seen corresponding path program 1 times [2022-10-16 15:26:16,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:16,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719174088] [2022-10-16 15:26:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:16,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:16,578 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 15:26:16,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:16,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719174088] [2022-10-16 15:26:16,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719174088] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:16,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:16,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:26:16,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869017052] [2022-10-16 15:26:16,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:16,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:26:16,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:26:16,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:26:16,649 INFO L87 Difference]: Start difference. First operand has 415 states, 368 states have (on average 1.828804347826087) internal successors, (673), 414 states have internal predecessors, (673), 0 states have call successors, (0), 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 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:16,713 INFO L93 Difference]: Finished difference Result 623 states and 981 transitions. [2022-10-16 15:26:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:26:16,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:26:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:16,736 INFO L225 Difference]: With dead ends: 623 [2022-10-16 15:26:16,736 INFO L226 Difference]: Without dead ends: 402 [2022-10-16 15:26:16,742 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 15:26:16,747 INFO L413 NwaCegarLoop]: 658 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, 658 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 15:26:16,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:16,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-10-16 15:26:16,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-10-16 15:26:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 364 states have (on average 1.804945054945055) internal successors, (657), 401 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 657 transitions. [2022-10-16 15:26:16,852 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 657 transitions. Word has length 58 [2022-10-16 15:26:16,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:16,853 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 657 transitions. [2022-10-16 15:26:16,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 657 transitions. [2022-10-16 15:26:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:26:16,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:16,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:16,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:26:16,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:16,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:16,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1393919437, now seen corresponding path program 1 times [2022-10-16 15:26:16,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:16,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646265288] [2022-10-16 15:26:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:16,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:17,371 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 15:26:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:17,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646265288] [2022-10-16 15:26:17,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646265288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:17,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:17,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:26:17,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337520544] [2022-10-16 15:26:17,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:17,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:26:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:26:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:26:17,379 INFO L87 Difference]: Start difference. First operand 402 states and 657 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:17,584 INFO L93 Difference]: Finished difference Result 612 states and 956 transitions. [2022-10-16 15:26:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:26:17,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:26:17,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:17,596 INFO L225 Difference]: With dead ends: 612 [2022-10-16 15:26:17,596 INFO L226 Difference]: Without dead ends: 402 [2022-10-16 15:26:17,605 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 15:26:17,608 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 3 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:17,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2571 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:26:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-10-16 15:26:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-10-16 15:26:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 364 states have (on average 1.6785714285714286) internal successors, (611), 401 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 611 transitions. [2022-10-16 15:26:17,671 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 611 transitions. Word has length 73 [2022-10-16 15:26:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:17,672 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 611 transitions. [2022-10-16 15:26:17,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 611 transitions. [2022-10-16 15:26:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:26:17,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:17,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:26:17,683 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:17,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:17,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1578065001, now seen corresponding path program 1 times [2022-10-16 15:26:17,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:17,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997928101] [2022-10-16 15:26:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:17,971 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 15:26:17,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:17,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997928101] [2022-10-16 15:26:17,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997928101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:17,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:17,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:17,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964021628] [2022-10-16 15:26:17,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:17,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:17,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:17,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:17,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:17,975 INFO L87 Difference]: Start difference. First operand 402 states and 611 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:18,048 INFO L93 Difference]: Finished difference Result 778 states and 1155 transitions. [2022-10-16 15:26:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:18,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:26:18,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:18,054 INFO L225 Difference]: With dead ends: 778 [2022-10-16 15:26:18,054 INFO L226 Difference]: Without dead ends: 572 [2022-10-16 15:26:18,055 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 15:26:18,056 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 241 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:18,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1178 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-10-16 15:26:18,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 544. [2022-10-16 15:26:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 506 states have (on average 1.6857707509881423) internal successors, (853), 543 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 853 transitions. [2022-10-16 15:26:18,082 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 853 transitions. Word has length 118 [2022-10-16 15:26:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:18,083 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 853 transitions. [2022-10-16 15:26:18,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 853 transitions. [2022-10-16 15:26:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:26:18,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:18,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:18,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:26:18,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:18,088 INFO L85 PathProgramCache]: Analyzing trace with hash -907959880, now seen corresponding path program 1 times [2022-10-16 15:26:18,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:18,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995295856] [2022-10-16 15:26:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:18,378 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 15:26:18,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:18,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995295856] [2022-10-16 15:26:18,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995295856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:18,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:18,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:18,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988180945] [2022-10-16 15:26:18,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:18,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:18,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:18,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:18,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:18,388 INFO L87 Difference]: Start difference. First operand 544 states and 853 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:18,442 INFO L93 Difference]: Finished difference Result 1220 states and 1891 transitions. [2022-10-16 15:26:18,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:18,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:26:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:18,451 INFO L225 Difference]: With dead ends: 1220 [2022-10-16 15:26:18,451 INFO L226 Difference]: Without dead ends: 872 [2022-10-16 15:26:18,452 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 15:26:18,464 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 266 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:18,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1174 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:18,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-10-16 15:26:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 830. [2022-10-16 15:26:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 792 states have (on average 1.702020202020202) internal successors, (1348), 829 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1348 transitions. [2022-10-16 15:26:18,528 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1348 transitions. Word has length 121 [2022-10-16 15:26:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:18,530 INFO L495 AbstractCegarLoop]: Abstraction has 830 states and 1348 transitions. [2022-10-16 15:26:18,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1348 transitions. [2022-10-16 15:26:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:26:18,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:18,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:18,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:26:18,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:18,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1651035027, now seen corresponding path program 1 times [2022-10-16 15:26:18,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:18,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994500546] [2022-10-16 15:26:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:18,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:18,815 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 15:26:18,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:18,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994500546] [2022-10-16 15:26:18,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994500546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:18,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:18,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:18,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040278909] [2022-10-16 15:26:18,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:18,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:18,820 INFO L87 Difference]: Start difference. First operand 830 states and 1348 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:18,879 INFO L93 Difference]: Finished difference Result 2058 states and 3340 transitions. [2022-10-16 15:26:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:18,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 15:26:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:18,888 INFO L225 Difference]: With dead ends: 2058 [2022-10-16 15:26:18,889 INFO L226 Difference]: Without dead ends: 1424 [2022-10-16 15:26:18,890 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 15:26:18,891 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 259 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:18,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 1175 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:18,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-10-16 15:26:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1378. [2022-10-16 15:26:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1340 states have (on average 1.7134328358208955) internal successors, (2296), 1377 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2296 transitions. [2022-10-16 15:26:18,954 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2296 transitions. Word has length 124 [2022-10-16 15:26:18,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:18,955 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 2296 transitions. [2022-10-16 15:26:18,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2296 transitions. [2022-10-16 15:26:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:26:18,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:18,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:18,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:26:18,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:18,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1571260924, now seen corresponding path program 1 times [2022-10-16 15:26:18,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:18,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135008582] [2022-10-16 15:26:18,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:18,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:19,201 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 15:26:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:19,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135008582] [2022-10-16 15:26:19,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135008582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:19,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:19,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:19,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893904718] [2022-10-16 15:26:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:19,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:19,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:19,205 INFO L87 Difference]: Start difference. First operand 1378 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:19,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:19,310 INFO L93 Difference]: Finished difference Result 3662 states and 6112 transitions. [2022-10-16 15:26:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:19,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 15:26:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:19,327 INFO L225 Difference]: With dead ends: 3662 [2022-10-16 15:26:19,328 INFO L226 Difference]: Without dead ends: 2480 [2022-10-16 15:26:19,331 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 15:26:19,333 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 252 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:19,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1176 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:19,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2022-10-16 15:26:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2426. [2022-10-16 15:26:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 2388 states have (on average 1.7202680067001674) internal successors, (4108), 2425 states have internal predecessors, (4108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 4108 transitions. [2022-10-16 15:26:19,456 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 4108 transitions. Word has length 127 [2022-10-16 15:26:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:19,457 INFO L495 AbstractCegarLoop]: Abstraction has 2426 states and 4108 transitions. [2022-10-16 15:26:19,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 4108 transitions. [2022-10-16 15:26:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:26:19,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:19,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:19,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:26:19,462 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:19,463 INFO L85 PathProgramCache]: Analyzing trace with hash 802736241, now seen corresponding path program 1 times [2022-10-16 15:26:19,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:19,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253393574] [2022-10-16 15:26:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:19,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:19,710 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 15:26:19,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:19,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253393574] [2022-10-16 15:26:19,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253393574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:19,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:19,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:19,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862644768] [2022-10-16 15:26:19,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:19,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:26:19,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:19,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:26:19,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:26:19,714 INFO L87 Difference]: Start difference. First operand 2426 states and 4108 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:20,106 INFO L93 Difference]: Finished difference Result 4843 states and 8196 transitions. [2022-10-16 15:26:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:26:20,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 15:26:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:20,137 INFO L225 Difference]: With dead ends: 4843 [2022-10-16 15:26:20,138 INFO L226 Difference]: Without dead ends: 4840 [2022-10-16 15:26:20,140 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 15:26:20,141 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 865 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:20,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 1713 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:26:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2022-10-16 15:26:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 4146. [2022-10-16 15:26:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 4108 states have (on average 1.7185978578383643) internal successors, (7060), 4145 states have internal predecessors, (7060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 7060 transitions. [2022-10-16 15:26:20,339 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 7060 transitions. Word has length 130 [2022-10-16 15:26:20,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:20,347 INFO L495 AbstractCegarLoop]: Abstraction has 4146 states and 7060 transitions. [2022-10-16 15:26:20,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 7060 transitions. [2022-10-16 15:26:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:26:20,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:20,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:20,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:26:20,360 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:20,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -884978750, now seen corresponding path program 1 times [2022-10-16 15:26:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:20,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277948554] [2022-10-16 15:26:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:20,667 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 15:26:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:20,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277948554] [2022-10-16 15:26:20,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277948554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:20,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:20,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:20,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703260179] [2022-10-16 15:26:20,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:20,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:26:20,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:20,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:26:20,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:26:20,671 INFO L87 Difference]: Start difference. First operand 4146 states and 7060 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:20,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:20,984 INFO L93 Difference]: Finished difference Result 4805 states and 8156 transitions. [2022-10-16 15:26:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:26:20,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 15:26:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:21,014 INFO L225 Difference]: With dead ends: 4805 [2022-10-16 15:26:21,014 INFO L226 Difference]: Without dead ends: 4802 [2022-10-16 15:26:21,017 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 15:26:21,017 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 862 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:21,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 1384 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:26:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2022-10-16 15:26:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4770. [2022-10-16 15:26:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4770 states, 4732 states have (on average 1.7109044801352493) internal successors, (8096), 4769 states have internal predecessors, (8096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 8096 transitions. [2022-10-16 15:26:21,312 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 8096 transitions. Word has length 131 [2022-10-16 15:26:21,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:21,313 INFO L495 AbstractCegarLoop]: Abstraction has 4770 states and 8096 transitions. [2022-10-16 15:26:21,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 8096 transitions. [2022-10-16 15:26:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:26:21,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:21,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:21,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:26:21,317 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:21,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1664535917, now seen corresponding path program 1 times [2022-10-16 15:26:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:21,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394332206] [2022-10-16 15:26:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:21,548 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 15:26:21,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:21,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394332206] [2022-10-16 15:26:21,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394332206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:21,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:21,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:26:21,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245468802] [2022-10-16 15:26:21,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:21,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:26:21,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:21,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:26:21,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:26:21,552 INFO L87 Difference]: Start difference. First operand 4770 states and 8096 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:22,049 INFO L93 Difference]: Finished difference Result 6634 states and 11120 transitions. [2022-10-16 15:26:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:26:22,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:26:22,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:22,118 INFO L225 Difference]: With dead ends: 6634 [2022-10-16 15:26:22,119 INFO L226 Difference]: Without dead ends: 6631 [2022-10-16 15:26:22,120 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 15:26:22,125 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1676 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:22,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 2366 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:26:22,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6631 states. [2022-10-16 15:26:22,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6631 to 5914. [2022-10-16 15:26:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5914 states, 5876 states have (on average 1.7011572498298162) internal successors, (9996), 5913 states have internal predecessors, (9996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5914 states to 5914 states and 9996 transitions. [2022-10-16 15:26:22,416 INFO L78 Accepts]: Start accepts. Automaton has 5914 states and 9996 transitions. Word has length 132 [2022-10-16 15:26:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:22,417 INFO L495 AbstractCegarLoop]: Abstraction has 5914 states and 9996 transitions. [2022-10-16 15:26:22,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5914 states and 9996 transitions. [2022-10-16 15:26:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 15:26:22,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:22,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:22,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:26:22,421 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:22,422 INFO L85 PathProgramCache]: Analyzing trace with hash -61004316, now seen corresponding path program 1 times [2022-10-16 15:26:22,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:22,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944784789] [2022-10-16 15:26:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:22,676 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 15:26:22,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:22,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944784789] [2022-10-16 15:26:22,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944784789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:22,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:22,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:26:22,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34180566] [2022-10-16 15:26:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:22,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:26:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:26:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:26:22,681 INFO L87 Difference]: Start difference. First operand 5914 states and 9996 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:23,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:23,166 INFO L93 Difference]: Finished difference Result 6574 states and 11018 transitions. [2022-10-16 15:26:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:26:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 15:26:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:23,213 INFO L225 Difference]: With dead ends: 6574 [2022-10-16 15:26:23,214 INFO L226 Difference]: Without dead ends: 6571 [2022-10-16 15:26:23,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:26:23,221 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 1636 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:23,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1986 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:26:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6571 states. [2022-10-16 15:26:23,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6510. [2022-10-16 15:26:23,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6510 states, 6472 states have (on average 1.69159456118665) internal successors, (10948), 6509 states have internal predecessors, (10948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6510 states to 6510 states and 10948 transitions. [2022-10-16 15:26:23,628 INFO L78 Accepts]: Start accepts. Automaton has 6510 states and 10948 transitions. Word has length 133 [2022-10-16 15:26:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:23,629 INFO L495 AbstractCegarLoop]: Abstraction has 6510 states and 10948 transitions. [2022-10-16 15:26:23,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6510 states and 10948 transitions. [2022-10-16 15:26:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:26:23,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:23,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:23,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:26:23,634 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:23,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1891132235, now seen corresponding path program 1 times [2022-10-16 15:26:23,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:23,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517927259] [2022-10-16 15:26:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:23,911 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 15:26:23,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:23,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517927259] [2022-10-16 15:26:23,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517927259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:23,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:23,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:26:23,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110504424] [2022-10-16 15:26:23,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:23,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:26:23,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:26:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:26:23,916 INFO L87 Difference]: Start difference. First operand 6510 states and 10948 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:25,135 INFO L93 Difference]: Finished difference Result 20002 states and 33524 transitions. [2022-10-16 15:26:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:26:25,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:26:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:25,191 INFO L225 Difference]: With dead ends: 20002 [2022-10-16 15:26:25,191 INFO L226 Difference]: Without dead ends: 13688 [2022-10-16 15:26:25,207 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 15:26:25,208 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 3109 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:25,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 4013 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:26:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13688 states. [2022-10-16 15:26:25,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13688 to 11598. [2022-10-16 15:26:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11598 states, 11560 states have (on average 1.6804498269896193) internal successors, (19426), 11597 states have internal predecessors, (19426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11598 states to 11598 states and 19426 transitions. [2022-10-16 15:26:25,860 INFO L78 Accepts]: Start accepts. Automaton has 11598 states and 19426 transitions. Word has length 134 [2022-10-16 15:26:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:25,860 INFO L495 AbstractCegarLoop]: Abstraction has 11598 states and 19426 transitions. [2022-10-16 15:26:25,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11598 states and 19426 transitions. [2022-10-16 15:26:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:26:25,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:25,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:25,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:26:25,876 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:25,876 INFO L85 PathProgramCache]: Analyzing trace with hash -561015655, now seen corresponding path program 1 times [2022-10-16 15:26:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:25,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386427947] [2022-10-16 15:26:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:26,018 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 15:26:26,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:26,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386427947] [2022-10-16 15:26:26,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386427947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:26,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:26,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300307812] [2022-10-16 15:26:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:26,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:26,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:26,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:26,022 INFO L87 Difference]: Start difference. First operand 11598 states and 19426 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:26,784 INFO L93 Difference]: Finished difference Result 25477 states and 42686 transitions. [2022-10-16 15:26:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:26:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:26,849 INFO L225 Difference]: With dead ends: 25477 [2022-10-16 15:26:26,850 INFO L226 Difference]: Without dead ends: 17879 [2022-10-16 15:26:26,865 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 15:26:26,866 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 265 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1383 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 15:26:26,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1383 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:26,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17879 states. [2022-10-16 15:26:27,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17879 to 17841. [2022-10-16 15:26:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17841 states, 17803 states have (on average 1.6786496657866652) internal successors, (29885), 17840 states have internal predecessors, (29885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17841 states to 17841 states and 29885 transitions. [2022-10-16 15:26:27,889 INFO L78 Accepts]: Start accepts. Automaton has 17841 states and 29885 transitions. Word has length 134 [2022-10-16 15:26:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:27,890 INFO L495 AbstractCegarLoop]: Abstraction has 17841 states and 29885 transitions. [2022-10-16 15:26:27,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 17841 states and 29885 transitions. [2022-10-16 15:26:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:26:27,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:27,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:26:27,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 943064521, now seen corresponding path program 1 times [2022-10-16 15:26:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386873192] [2022-10-16 15:26:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:28,018 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 15:26:28,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:28,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386873192] [2022-10-16 15:26:28,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386873192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:28,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:28,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:28,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405923733] [2022-10-16 15:26:28,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:28,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:28,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:28,021 INFO L87 Difference]: Start difference. First operand 17841 states and 29885 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:29,077 INFO L93 Difference]: Finished difference Result 38545 states and 65027 transitions. [2022-10-16 15:26:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:29,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:26:29,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:29,159 INFO L225 Difference]: With dead ends: 38545 [2022-10-16 15:26:29,160 INFO L226 Difference]: Without dead ends: 27162 [2022-10-16 15:26:29,183 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 15:26:29,185 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 272 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1394 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 15:26:29,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27162 states. [2022-10-16 15:26:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27162 to 27124. [2022-10-16 15:26:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27124 states, 27086 states have (on average 1.684855644982648) internal successors, (45636), 27123 states have internal predecessors, (45636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27124 states to 27124 states and 45636 transitions. [2022-10-16 15:26:30,598 INFO L78 Accepts]: Start accepts. Automaton has 27124 states and 45636 transitions. Word has length 134 [2022-10-16 15:26:30,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:30,599 INFO L495 AbstractCegarLoop]: Abstraction has 27124 states and 45636 transitions. [2022-10-16 15:26:30,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 27124 states and 45636 transitions. [2022-10-16 15:26:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:26:30,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:30,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:30,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:26:30,602 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1504444422, now seen corresponding path program 1 times [2022-10-16 15:26:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:30,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175266929] [2022-10-16 15:26:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:30,981 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 15:26:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:30,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175266929] [2022-10-16 15:26:30,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175266929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:30,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:30,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:26:30,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141531980] [2022-10-16 15:26:30,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:30,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:26:30,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:26:30,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:26:30,986 INFO L87 Difference]: Start difference. First operand 27124 states and 45636 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:32,639 INFO L93 Difference]: Finished difference Result 37189 states and 62707 transitions. [2022-10-16 15:26:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:26:32,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 15:26:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:32,764 INFO L225 Difference]: With dead ends: 37189 [2022-10-16 15:26:32,765 INFO L226 Difference]: Without dead ends: 37186 [2022-10-16 15:26:32,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:26:32,784 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 3204 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:32,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 2995 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:26:32,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37186 states. [2022-10-16 15:26:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37186 to 37044. [2022-10-16 15:26:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37044 states, 37006 states have (on average 1.6789439550343188) internal successors, (62131), 37043 states have internal predecessors, (62131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37044 states to 37044 states and 62131 transitions. [2022-10-16 15:26:34,598 INFO L78 Accepts]: Start accepts. Automaton has 37044 states and 62131 transitions. Word has length 135 [2022-10-16 15:26:34,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:34,599 INFO L495 AbstractCegarLoop]: Abstraction has 37044 states and 62131 transitions. [2022-10-16 15:26:34,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 37044 states and 62131 transitions. [2022-10-16 15:26:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:26:34,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:34,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:34,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:26:34,603 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:34,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:34,603 INFO L85 PathProgramCache]: Analyzing trace with hash 200934379, now seen corresponding path program 1 times [2022-10-16 15:26:34,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:34,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890530241] [2022-10-16 15:26:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:34,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:34,753 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 15:26:34,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:34,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890530241] [2022-10-16 15:26:34,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890530241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:34,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:34,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:34,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803439781] [2022-10-16 15:26:34,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:34,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:34,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:34,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:34,757 INFO L87 Difference]: Start difference. First operand 37044 states and 62131 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 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 15:26:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:36,732 INFO L93 Difference]: Finished difference Result 81870 states and 137121 transitions. [2022-10-16 15:26:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:36,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 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) Word has length 136 [2022-10-16 15:26:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:36,911 INFO L225 Difference]: With dead ends: 81870 [2022-10-16 15:26:36,911 INFO L226 Difference]: Without dead ends: 57008 [2022-10-16 15:26:36,960 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 15:26:36,961 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 258 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1376 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 15:26:36,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1376 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57008 states. [2022-10-16 15:26:39,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57008 to 56970. [2022-10-16 15:26:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56970 states, 56932 states have (on average 1.673768706527085) internal successors, (95291), 56969 states have internal predecessors, (95291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56970 states to 56970 states and 95291 transitions. [2022-10-16 15:26:39,498 INFO L78 Accepts]: Start accepts. Automaton has 56970 states and 95291 transitions. Word has length 136 [2022-10-16 15:26:39,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:39,498 INFO L495 AbstractCegarLoop]: Abstraction has 56970 states and 95291 transitions. [2022-10-16 15:26:39,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 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 15:26:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 56970 states and 95291 transitions. [2022-10-16 15:26:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 15:26:39,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:39,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:39,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:26:39,504 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1632839096, now seen corresponding path program 1 times [2022-10-16 15:26:39,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:39,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595639543] [2022-10-16 15:26:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:39,672 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 15:26:39,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:39,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595639543] [2022-10-16 15:26:39,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595639543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:39,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:39,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692897865] [2022-10-16 15:26:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:39,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:26:39,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:39,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:26:39,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:26:39,678 INFO L87 Difference]: Start difference. First operand 56970 states and 95291 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:42,769 INFO L93 Difference]: Finished difference Result 159012 states and 266197 transitions. [2022-10-16 15:26:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:26:42,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 15:26:42,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:43,088 INFO L225 Difference]: With dead ends: 159012 [2022-10-16 15:26:43,089 INFO L226 Difference]: Without dead ends: 102272 [2022-10-16 15:26:43,161 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 15:26:43,162 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 848 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:43,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1815 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:26:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102272 states. [2022-10-16 15:26:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102272 to 87297. [2022-10-16 15:26:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87297 states, 87259 states have (on average 1.6635304094706562) internal successors, (145158), 87296 states have internal predecessors, (145158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87297 states to 87297 states and 145158 transitions. [2022-10-16 15:26:46,515 INFO L78 Accepts]: Start accepts. Automaton has 87297 states and 145158 transitions. Word has length 137 [2022-10-16 15:26:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:46,516 INFO L495 AbstractCegarLoop]: Abstraction has 87297 states and 145158 transitions. [2022-10-16 15:26:46,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 87297 states and 145158 transitions. [2022-10-16 15:26:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 15:26:46,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:46,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:46,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:26:46,519 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash 250628829, now seen corresponding path program 1 times [2022-10-16 15:26:46,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:46,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997202790] [2022-10-16 15:26:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:46,646 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 15:26:46,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:46,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997202790] [2022-10-16 15:26:46,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997202790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:46,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:46,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:46,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548290460] [2022-10-16 15:26:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:46,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:26:46,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:46,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:26:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:26:46,649 INFO L87 Difference]: Start difference. First operand 87297 states and 145158 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:50,078 INFO L93 Difference]: Finished difference Result 174121 states and 289350 transitions. [2022-10-16 15:26:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:26:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 15:26:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:50,397 INFO L225 Difference]: With dead ends: 174121 [2022-10-16 15:26:50,398 INFO L226 Difference]: Without dead ends: 125725 [2022-10-16 15:26:50,463 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 15:26:50,465 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 251 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1353 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 15:26:50,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1353 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:26:50,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125725 states. [2022-10-16 15:26:54,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125725 to 125687. [2022-10-16 15:26:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125687 states, 125649 states have (on average 1.658859203017931) internal successors, (208434), 125686 states have internal predecessors, (208434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125687 states to 125687 states and 208434 transitions. [2022-10-16 15:26:55,148 INFO L78 Accepts]: Start accepts. Automaton has 125687 states and 208434 transitions. Word has length 138 [2022-10-16 15:26:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:55,149 INFO L495 AbstractCegarLoop]: Abstraction has 125687 states and 208434 transitions. [2022-10-16 15:26:55,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 125687 states and 208434 transitions. [2022-10-16 15:26:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 15:26:55,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:55,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:55,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:26:55,152 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:26:55,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:55,153 INFO L85 PathProgramCache]: Analyzing trace with hash 921597146, now seen corresponding path program 1 times [2022-10-16 15:26:55,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:55,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770205907] [2022-10-16 15:26:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:55,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:55,326 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 15:26:55,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:55,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770205907] [2022-10-16 15:26:55,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770205907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:55,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:55,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:26:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582768713] [2022-10-16 15:26:55,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:55,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:26:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:55,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:26:55,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:26:55,330 INFO L87 Difference]: Start difference. First operand 125687 states and 208434 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:59,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:59,580 INFO L93 Difference]: Finished difference Result 165654 states and 276921 transitions. [2022-10-16 15:26:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:26:59,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 15:26:59,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:59,902 INFO L225 Difference]: With dead ends: 165654 [2022-10-16 15:26:59,902 INFO L226 Difference]: Without dead ends: 165653 [2022-10-16 15:26:59,944 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 15:26:59,945 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 844 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:59,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1344 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:27:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165653 states. [2022-10-16 15:27:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165653 to 165446. [2022-10-16 15:27:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165446 states, 165408 states have (on average 1.6654091700522344) internal successors, (275472), 165445 states have internal predecessors, (275472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165446 states to 165446 states and 275472 transitions. [2022-10-16 15:27:05,860 INFO L78 Accepts]: Start accepts. Automaton has 165446 states and 275472 transitions. Word has length 138 [2022-10-16 15:27:05,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:05,861 INFO L495 AbstractCegarLoop]: Abstraction has 165446 states and 275472 transitions. [2022-10-16 15:27:05,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 165446 states and 275472 transitions. [2022-10-16 15:27:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 15:27:05,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:05,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:05,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:27:05,864 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:27:05,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:05,864 INFO L85 PathProgramCache]: Analyzing trace with hash 891644668, now seen corresponding path program 1 times [2022-10-16 15:27:05,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:05,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370910324] [2022-10-16 15:27:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:05,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:06,003 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 15:27:06,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:06,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370910324] [2022-10-16 15:27:06,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370910324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:06,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:06,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:06,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414310687] [2022-10-16 15:27:06,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:06,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:27:06,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:06,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:27:06,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:27:06,007 INFO L87 Difference]: Start difference. First operand 165446 states and 275472 transitions. Second operand has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:13,629 INFO L93 Difference]: Finished difference Result 418148 states and 697266 transitions. [2022-10-16 15:27:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:27:13,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 15:27:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:14,208 INFO L225 Difference]: With dead ends: 418148 [2022-10-16 15:27:14,208 INFO L226 Difference]: Without dead ends: 252948 [2022-10-16 15:27:14,367 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 15:27:14,368 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 853 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:14,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 1815 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:27:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252948 states. [2022-10-16 15:27:22,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252948 to 227455. [2022-10-16 15:27:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227455 states, 227417 states have (on average 1.6556150155881046) internal successors, (376515), 227454 states have internal predecessors, (376515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227455 states to 227455 states and 376515 transitions. [2022-10-16 15:27:23,205 INFO L78 Accepts]: Start accepts. Automaton has 227455 states and 376515 transitions. Word has length 140 [2022-10-16 15:27:23,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:23,206 INFO L495 AbstractCegarLoop]: Abstraction has 227455 states and 376515 transitions. [2022-10-16 15:27:23,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 227455 states and 376515 transitions. [2022-10-16 15:27:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 15:27:23,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:23,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:23,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:27:23,208 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:27:23,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:23,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1871182509, now seen corresponding path program 1 times [2022-10-16 15:27:23,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:23,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821075885] [2022-10-16 15:27:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:23,342 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 15:27:23,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:23,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821075885] [2022-10-16 15:27:23,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821075885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:23,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:23,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:23,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239868710] [2022-10-16 15:27:23,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:23,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:27:23,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:23,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:27:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:27:23,345 INFO L87 Difference]: Start difference. First operand 227455 states and 376515 transitions. Second operand has 4 states, 3 states have (on average 47.0) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:31,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:31,942 INFO L93 Difference]: Finished difference Result 324104 states and 539832 transitions. [2022-10-16 15:27:31,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:27:31,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 47.0) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-16 15:27:31,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:32,714 INFO L225 Difference]: With dead ends: 324104 [2022-10-16 15:27:32,714 INFO L226 Difference]: Without dead ends: 324103 [2022-10-16 15:27:32,806 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 15:27:32,807 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 845 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:32,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1346 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:33,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324103 states. [2022-10-16 15:27:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324103 to 323644. [2022-10-16 15:27:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323644 states, 323606 states have (on average 1.65939753898259) internal successors, (536991), 323643 states have internal predecessors, (536991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323644 states to 323644 states and 536991 transitions. [2022-10-16 15:27:45,760 INFO L78 Accepts]: Start accepts. Automaton has 323644 states and 536991 transitions. Word has length 141 [2022-10-16 15:27:45,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:45,761 INFO L495 AbstractCegarLoop]: Abstraction has 323644 states and 536991 transitions. [2022-10-16 15:27:45,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 47.0) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 323644 states and 536991 transitions. [2022-10-16 15:27:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 15:27:45,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:45,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:45,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:27:45,763 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:27:45,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:45,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1384855313, now seen corresponding path program 1 times [2022-10-16 15:27:45,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:45,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519093861] [2022-10-16 15:27:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:45,898 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 15:27:45,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:45,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519093861] [2022-10-16 15:27:45,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519093861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:45,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:45,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:45,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305210552] [2022-10-16 15:27:45,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:45,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:27:45,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:27:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:27:45,901 INFO L87 Difference]: Start difference. First operand 323644 states and 536991 transitions. Second operand has 4 states, 3 states have (on average 47.666666666666664) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:28:06,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:06,231 INFO L93 Difference]: Finished difference Result 906026 states and 1509698 transitions. [2022-10-16 15:28:06,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:28:06,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 47.666666666666664) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2022-10-16 15:28:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:07,853 INFO L225 Difference]: With dead ends: 906026 [2022-10-16 15:28:07,854 INFO L226 Difference]: Without dead ends: 582628 [2022-10-16 15:28:08,204 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 15:28:08,208 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 849 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:08,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1889 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:28:08,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582628 states. [2022-10-16 15:28:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582628 to 466545. [2022-10-16 15:28:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466545 states, 466507 states have (on average 1.6549290793064197) internal successors, (772036), 466544 states have internal predecessors, (772036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:28:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466545 states to 466545 states and 772036 transitions. [2022-10-16 15:28:29,967 INFO L78 Accepts]: Start accepts. Automaton has 466545 states and 772036 transitions. Word has length 143 [2022-10-16 15:28:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:28:29,967 INFO L495 AbstractCegarLoop]: Abstraction has 466545 states and 772036 transitions. [2022-10-16 15:28:29,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 47.666666666666664) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:28:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 466545 states and 772036 transitions. [2022-10-16 15:28:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 15:28:29,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:28:29,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:28:29,969 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:28:29,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:28:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash 19159841, now seen corresponding path program 1 times [2022-10-16 15:28:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:28:29,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369597065] [2022-10-16 15:28:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:28:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:28:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:28:30,103 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 15:28:30,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:28:30,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369597065] [2022-10-16 15:28:30,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369597065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:28:30,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:28:30,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:28:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444760035] [2022-10-16 15:28:30,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:28:30,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:28:30,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:28:30,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:28:30,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:28:30,106 INFO L87 Difference]: Start difference. First operand 466545 states and 772036 transitions. Second operand has 4 states, 3 states have (on average 48.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:28:49,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:49,623 INFO L93 Difference]: Finished difference Result 689398 states and 1143607 transitions. [2022-10-16 15:28:49,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:28:49,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 48.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2022-10-16 15:28:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:51,475 INFO L225 Difference]: With dead ends: 689398 [2022-10-16 15:28:51,476 INFO L226 Difference]: Without dead ends: 689397 [2022-10-16 15:28:51,702 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 15:28:51,704 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 841 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:51,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1388 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:28:52,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689397 states. [2022-10-16 15:29:21,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689397 to 688380. [2022-10-16 15:29:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688380 states, 688342 states have (on average 1.652588393560178) internal successors, (1137546), 688379 states have internal predecessors, (1137546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)