/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:16:29,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:16:29,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:16:29,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:16:29,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:16:29,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:16:29,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:16:29,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:16:29,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:16:29,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:16:29,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:16:29,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:16:29,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:16:29,850 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:16:29,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:16:29,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:16:29,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:16:29,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:16:29,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:16:29,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:16:29,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:16:29,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:16:29,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:16:29,852 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:16:29,853 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:16:29,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:16:29,853 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:16:29,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:16:29,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:16:29,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:16:29,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:16:29,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:29,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:16:29,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:16:29,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:16:29,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:16:29,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:16:29,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:16:29,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:16:30,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:16:30,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:16:30,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:16:30,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:16:30,236 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:16:30,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2022-10-16 15:16:30,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1ff9193/1faad09382494e9f805b065a36e7e09c/FLAG29f45cc04 [2022-10-16 15:16:30,976 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:16:30,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2022-10-16 15:16:30,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1ff9193/1faad09382494e9f805b065a36e7e09c/FLAG29f45cc04 [2022-10-16 15:16:31,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1ff9193/1faad09382494e9f805b065a36e7e09c [2022-10-16 15:16:31,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:16:31,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:16:31,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:31,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:16:31,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:16:31,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2d8cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31, skipping insertion in model container [2022-10-16 15:16:31,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:16:31,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:16:31,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c[11270,11283] [2022-10-16 15:16:31,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:31,743 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:16:31,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c[11270,11283] [2022-10-16 15:16:31,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:31,822 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:16:31,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31 WrapperNode [2022-10-16 15:16:31,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:31,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:31,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:16:31,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:16:31,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,902 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 362 [2022-10-16 15:16:31,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:31,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:16:31,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:16:31,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:16:31,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:16:31,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:16:31,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:16:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:16:31,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (1/1) ... [2022-10-16 15:16:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:16:32,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:16:32,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:16:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:16:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:16:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:16:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:16:32,198 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:16:32,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:16:32,863 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:16:32,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:16:32,873 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:16:32,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:32 BoogieIcfgContainer [2022-10-16 15:16:32,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:16:32,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:16:32,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:16:32,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:16:32,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:31" (1/3) ... [2022-10-16 15:16:32,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a551f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:32, skipping insertion in model container [2022-10-16 15:16:32,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:31" (2/3) ... [2022-10-16 15:16:32,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a551f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:32, skipping insertion in model container [2022-10-16 15:16:32,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:32" (3/3) ... [2022-10-16 15:16:32,888 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2022-10-16 15:16:32,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:16:32,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 15:16:32,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:16:32,995 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;@4fae0359, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:16:32,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 15:16:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 119 states have (on average 1.781512605042017) internal successors, (212), 147 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:16:33,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:33,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:33,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:33,019 INFO L85 PathProgramCache]: Analyzing trace with hash -35935790, now seen corresponding path program 1 times [2022-10-16 15:16:33,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:33,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915606264] [2022-10-16 15:16:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:33,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:33,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:33,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915606264] [2022-10-16 15:16:33,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915606264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:33,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:33,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:16:33,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351240128] [2022-10-16 15:16:33,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:33,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:16:33,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:33,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:16:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:16:33,402 INFO L87 Difference]: Start difference. First operand has 148 states, 119 states have (on average 1.781512605042017) internal successors, (212), 147 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:33,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:33,445 INFO L93 Difference]: Finished difference Result 260 states and 356 transitions. [2022-10-16 15:16:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:16:33,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 15:16:33,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:33,462 INFO L225 Difference]: With dead ends: 260 [2022-10-16 15:16:33,462 INFO L226 Difference]: Without dead ends: 143 [2022-10-16 15:16:33,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:16:33,470 INFO L413 NwaCegarLoop]: 209 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, 209 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:33,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-10-16 15:16:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-10-16 15:16:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.7739130434782608) internal successors, (204), 142 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 204 transitions. [2022-10-16 15:16:33,527 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 204 transitions. Word has length 10 [2022-10-16 15:16:33,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:33,527 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 204 transitions. [2022-10-16 15:16:33,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 204 transitions. [2022-10-16 15:16:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:16:33,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:33,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:33,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:16:33,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:33,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -34088748, now seen corresponding path program 1 times [2022-10-16 15:16:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:33,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333225664] [2022-10-16 15:16:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:33,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:33,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333225664] [2022-10-16 15:16:33,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333225664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:33,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:33,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:33,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433411573] [2022-10-16 15:16:33,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:33,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:33,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:33,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:33,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:33,838 INFO L87 Difference]: Start difference. First operand 143 states and 204 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,003 INFO L93 Difference]: Finished difference Result 253 states and 344 transitions. [2022-10-16 15:16:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:34,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 15:16:34,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,012 INFO L225 Difference]: With dead ends: 253 [2022-10-16 15:16:34,012 INFO L226 Difference]: Without dead ends: 143 [2022-10-16 15:16:34,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:34,018 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 3 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 774 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:34,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-10-16 15:16:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-10-16 15:16:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.5043478260869565) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2022-10-16 15:16:34,046 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 173 transitions. Word has length 10 [2022-10-16 15:16:34,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:34,046 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 173 transitions. [2022-10-16 15:16:34,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 173 transitions. [2022-10-16 15:16:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 15:16:34,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:34,049 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] [2022-10-16 15:16:34,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:16:34,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:34,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1127190019, now seen corresponding path program 1 times [2022-10-16 15:16:34,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:34,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767157935] [2022-10-16 15:16:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:34,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:34,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767157935] [2022-10-16 15:16:34,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767157935] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:34,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:34,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:34,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630556715] [2022-10-16 15:16:34,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:34,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:34,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:34,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:34,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,256 INFO L87 Difference]: Start difference. First operand 143 states and 173 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,285 INFO L93 Difference]: Finished difference Result 345 states and 431 transitions. [2022-10-16 15:16:34,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 15:16:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,289 INFO L225 Difference]: With dead ends: 345 [2022-10-16 15:16:34,289 INFO L226 Difference]: Without dead ends: 239 [2022-10-16 15:16:34,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,292 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 122 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 425 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:34,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-10-16 15:16:34,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2022-10-16 15:16:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 185 states have (on average 1.5891891891891892) internal successors, (294), 212 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 294 transitions. [2022-10-16 15:16:34,321 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 294 transitions. Word has length 40 [2022-10-16 15:16:34,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:34,322 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 294 transitions. [2022-10-16 15:16:34,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 294 transitions. [2022-10-16 15:16:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:16:34,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:34,325 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] [2022-10-16 15:16:34,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:16:34,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1702093415, now seen corresponding path program 1 times [2022-10-16 15:16:34,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:34,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365272093] [2022-10-16 15:16:34,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:34,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:34,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:34,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365272093] [2022-10-16 15:16:34,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365272093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:34,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:34,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:34,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035643773] [2022-10-16 15:16:34,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:34,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:34,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:34,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:34,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,472 INFO L87 Difference]: Start difference. First operand 213 states and 294 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,519 INFO L93 Difference]: Finished difference Result 553 states and 788 transitions. [2022-10-16 15:16:34,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:34,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:16:34,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,525 INFO L225 Difference]: With dead ends: 553 [2022-10-16 15:16:34,526 INFO L226 Difference]: Without dead ends: 377 [2022-10-16 15:16:34,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,541 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 122 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 428 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:34,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-10-16 15:16:34,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 349. [2022-10-16 15:16:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 321 states have (on average 1.64797507788162) internal successors, (529), 348 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 529 transitions. [2022-10-16 15:16:34,596 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 529 transitions. Word has length 59 [2022-10-16 15:16:34,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:34,597 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 529 transitions. [2022-10-16 15:16:34,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 529 transitions. [2022-10-16 15:16:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:16:34,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:34,602 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] [2022-10-16 15:16:34,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:16:34,603 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash -913259621, now seen corresponding path program 1 times [2022-10-16 15:16:34,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:34,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916628902] [2022-10-16 15:16:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:34,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:34,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916628902] [2022-10-16 15:16:34,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916628902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:34,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:34,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:34,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929159475] [2022-10-16 15:16:34,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:34,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:34,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:34,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:34,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,755 INFO L87 Difference]: Start difference. First operand 349 states and 529 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,799 INFO L93 Difference]: Finished difference Result 949 states and 1473 transitions. [2022-10-16 15:16:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:16:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,804 INFO L225 Difference]: With dead ends: 949 [2022-10-16 15:16:34,804 INFO L226 Difference]: Without dead ends: 637 [2022-10-16 15:16:34,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,807 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 427 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2022-10-16 15:16:34,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 609. [2022-10-16 15:16:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 581 states have (on average 1.6815834767641997) internal successors, (977), 608 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 977 transitions. [2022-10-16 15:16:34,840 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 977 transitions. Word has length 59 [2022-10-16 15:16:34,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:34,841 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 977 transitions. [2022-10-16 15:16:34,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 977 transitions. [2022-10-16 15:16:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:16:34,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:34,843 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] [2022-10-16 15:16:34,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:16:34,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:34,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash -317301041, now seen corresponding path program 1 times [2022-10-16 15:16:34,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:34,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085338664] [2022-10-16 15:16:34,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:34,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:34,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085338664] [2022-10-16 15:16:34,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085338664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:34,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:34,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:34,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765720017] [2022-10-16 15:16:34,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:34,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:34,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:34,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:34,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,929 INFO L87 Difference]: Start difference. First operand 609 states and 977 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:34,984 INFO L93 Difference]: Finished difference Result 1705 states and 2777 transitions. [2022-10-16 15:16:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:34,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:16:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:34,992 INFO L225 Difference]: With dead ends: 1705 [2022-10-16 15:16:34,992 INFO L226 Difference]: Without dead ends: 1133 [2022-10-16 15:16:34,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:34,995 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 114 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:34,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 426 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:34,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-10-16 15:16:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1105. [2022-10-16 15:16:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1077 states have (on average 1.6982358402971216) internal successors, (1829), 1104 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1829 transitions. [2022-10-16 15:16:35,055 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1829 transitions. Word has length 59 [2022-10-16 15:16:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:35,056 INFO L495 AbstractCegarLoop]: Abstraction has 1105 states and 1829 transitions. [2022-10-16 15:16:35,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1829 transitions. [2022-10-16 15:16:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:16:35,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:35,057 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] [2022-10-16 15:16:35,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:16:35,058 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:35,059 INFO L85 PathProgramCache]: Analyzing trace with hash 900684357, now seen corresponding path program 1 times [2022-10-16 15:16:35,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:35,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800961556] [2022-10-16 15:16:35,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:35,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:35,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:35,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800961556] [2022-10-16 15:16:35,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800961556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:35,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:35,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:35,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636132358] [2022-10-16 15:16:35,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:35,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:35,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:35,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:35,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:35,196 INFO L87 Difference]: Start difference. First operand 1105 states and 1829 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:35,307 INFO L93 Difference]: Finished difference Result 3145 states and 5253 transitions. [2022-10-16 15:16:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:35,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:16:35,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:35,320 INFO L225 Difference]: With dead ends: 3145 [2022-10-16 15:16:35,320 INFO L226 Difference]: Without dead ends: 2077 [2022-10-16 15:16:35,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:35,324 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 110 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:35,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 425 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:35,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2022-10-16 15:16:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 2049. [2022-10-16 15:16:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 2021 states have (on average 1.7046016823354775) internal successors, (3445), 2048 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 3445 transitions. [2022-10-16 15:16:35,454 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 3445 transitions. Word has length 59 [2022-10-16 15:16:35,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:35,455 INFO L495 AbstractCegarLoop]: Abstraction has 2049 states and 3445 transitions. [2022-10-16 15:16:35,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 3445 transitions. [2022-10-16 15:16:35,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:16:35,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:35,460 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] [2022-10-16 15:16:35,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:16:35,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:35,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:35,462 INFO L85 PathProgramCache]: Analyzing trace with hash 919371963, now seen corresponding path program 1 times [2022-10-16 15:16:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:35,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52269891] [2022-10-16 15:16:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:35,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:35,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:35,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52269891] [2022-10-16 15:16:35,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52269891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:35,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:35,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:35,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197522162] [2022-10-16 15:16:35,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:35,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:35,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:35,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:35,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:35,608 INFO L87 Difference]: Start difference. First operand 2049 states and 3445 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:36,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:36,154 INFO L93 Difference]: Finished difference Result 6070 states and 10261 transitions. [2022-10-16 15:16:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:16:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:36,188 INFO L225 Difference]: With dead ends: 6070 [2022-10-16 15:16:36,188 INFO L226 Difference]: Without dead ends: 6067 [2022-10-16 15:16:36,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:36,192 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 406 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:36,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 299 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2022-10-16 15:16:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 4033. [2022-10-16 15:16:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4033 states, 4005 states have (on average 1.6871410736579275) internal successors, (6757), 4032 states have internal predecessors, (6757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 6757 transitions. [2022-10-16 15:16:36,499 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 6757 transitions. Word has length 59 [2022-10-16 15:16:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:36,499 INFO L495 AbstractCegarLoop]: Abstraction has 4033 states and 6757 transitions. [2022-10-16 15:16:36,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 6757 transitions. [2022-10-16 15:16:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:16:36,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:36,501 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] [2022-10-16 15:16:36,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:16:36,501 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:36,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:36,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1564239809, now seen corresponding path program 1 times [2022-10-16 15:16:36,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:36,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339972672] [2022-10-16 15:16:36,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:36,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:36,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:36,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339972672] [2022-10-16 15:16:36,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339972672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:36,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:36,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:36,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633610677] [2022-10-16 15:16:36,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:36,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:36,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:36,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:36,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:36,617 INFO L87 Difference]: Start difference. First operand 4033 states and 6757 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:37,085 INFO L93 Difference]: Finished difference Result 6042 states and 10165 transitions. [2022-10-16 15:16:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:37,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:16:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:37,118 INFO L225 Difference]: With dead ends: 6042 [2022-10-16 15:16:37,118 INFO L226 Difference]: Without dead ends: 6039 [2022-10-16 15:16:37,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:37,127 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 405 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:37,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 206 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:37,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6039 states. [2022-10-16 15:16:37,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6039 to 6017. [2022-10-16 15:16:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6017 states, 5989 states have (on average 1.6652195692102187) internal successors, (9973), 6016 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 9973 transitions. [2022-10-16 15:16:37,576 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 9973 transitions. Word has length 60 [2022-10-16 15:16:37,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:37,577 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 9973 transitions. [2022-10-16 15:16:37,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 9973 transitions. [2022-10-16 15:16:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:16:37,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:37,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:37,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:16:37,582 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:37,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:37,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1246793411, now seen corresponding path program 1 times [2022-10-16 15:16:37,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:37,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868390824] [2022-10-16 15:16:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:37,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:37,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:37,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868390824] [2022-10-16 15:16:37,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868390824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:37,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:37,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986390263] [2022-10-16 15:16:37,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:37,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:37,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:37,737 INFO L87 Difference]: Start difference. First operand 6017 states and 9973 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:38,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:38,457 INFO L93 Difference]: Finished difference Result 10051 states and 16501 transitions. [2022-10-16 15:16:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:16:38,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:16:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:38,505 INFO L225 Difference]: With dead ends: 10051 [2022-10-16 15:16:38,506 INFO L226 Difference]: Without dead ends: 10048 [2022-10-16 15:16:38,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:38,511 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 782 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:38,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 413 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:38,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10048 states. [2022-10-16 15:16:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10048 to 8001. [2022-10-16 15:16:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8001 states, 7973 states have (on average 1.6421673146870688) internal successors, (13093), 8000 states have internal predecessors, (13093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 13093 transitions. [2022-10-16 15:16:39,058 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 13093 transitions. Word has length 61 [2022-10-16 15:16:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:39,058 INFO L495 AbstractCegarLoop]: Abstraction has 8001 states and 13093 transitions. [2022-10-16 15:16:39,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 13093 transitions. [2022-10-16 15:16:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:16:39,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:39,059 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] [2022-10-16 15:16:39,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:16:39,060 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash 4110337, now seen corresponding path program 1 times [2022-10-16 15:16:39,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:39,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76879976] [2022-10-16 15:16:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:39,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:39,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76879976] [2022-10-16 15:16:39,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76879976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:39,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:39,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:39,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997767447] [2022-10-16 15:16:39,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:39,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:39,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:39,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:39,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:39,201 INFO L87 Difference]: Start difference. First operand 8001 states and 13093 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:39,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:39,940 INFO L93 Difference]: Finished difference Result 10029 states and 16405 transitions. [2022-10-16 15:16:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:39,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 15:16:39,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:39,963 INFO L225 Difference]: With dead ends: 10029 [2022-10-16 15:16:39,963 INFO L226 Difference]: Without dead ends: 10026 [2022-10-16 15:16:39,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:39,967 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 793 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:39,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 305 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-10-16 15:16:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 9985. [2022-10-16 15:16:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9985 states, 9957 states have (on average 1.6186602390278195) internal successors, (16117), 9984 states have internal predecessors, (16117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 16117 transitions. [2022-10-16 15:16:40,590 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 16117 transitions. Word has length 62 [2022-10-16 15:16:40,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:40,590 INFO L495 AbstractCegarLoop]: Abstraction has 9985 states and 16117 transitions. [2022-10-16 15:16:40,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 16117 transitions. [2022-10-16 15:16:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:16:40,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:40,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:40,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:16:40,592 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:40,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:40,593 INFO L85 PathProgramCache]: Analyzing trace with hash 127420863, now seen corresponding path program 1 times [2022-10-16 15:16:40,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:40,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090597241] [2022-10-16 15:16:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:40,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:40,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090597241] [2022-10-16 15:16:40,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090597241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:40,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:40,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:40,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869080035] [2022-10-16 15:16:40,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:40,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:40,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:40,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:40,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:40,711 INFO L87 Difference]: Start difference. First operand 9985 states and 16117 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:41,740 INFO L93 Difference]: Finished difference Result 16010 states and 25669 transitions. [2022-10-16 15:16:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:16:41,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:16:41,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:41,781 INFO L225 Difference]: With dead ends: 16010 [2022-10-16 15:16:41,781 INFO L226 Difference]: Without dead ends: 16007 [2022-10-16 15:16:41,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:16:41,789 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1221 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:41,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 538 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16007 states. [2022-10-16 15:16:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16007 to 11969. [2022-10-16 15:16:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11969 states, 11941 states have (on average 1.594925048153421) internal successors, (19045), 11968 states have internal predecessors, (19045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11969 states to 11969 states and 19045 transitions. [2022-10-16 15:16:43,040 INFO L78 Accepts]: Start accepts. Automaton has 11969 states and 19045 transitions. Word has length 63 [2022-10-16 15:16:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:43,040 INFO L495 AbstractCegarLoop]: Abstraction has 11969 states and 19045 transitions. [2022-10-16 15:16:43,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11969 states and 19045 transitions. [2022-10-16 15:16:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:16:43,041 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:43,041 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] [2022-10-16 15:16:43,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:16:43,042 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:43,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:43,043 INFO L85 PathProgramCache]: Analyzing trace with hash -344920125, now seen corresponding path program 1 times [2022-10-16 15:16:43,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:43,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079473165] [2022-10-16 15:16:43,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:43,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:43,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:43,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079473165] [2022-10-16 15:16:43,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079473165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:43,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:43,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778847684] [2022-10-16 15:16:43,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:43,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:43,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:43,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:43,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:43,181 INFO L87 Difference]: Start difference. First operand 11969 states and 19045 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:44,222 INFO L93 Difference]: Finished difference Result 15997 states and 25381 transitions. [2022-10-16 15:16:44,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:16:44,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 15:16:44,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:44,264 INFO L225 Difference]: With dead ends: 15997 [2022-10-16 15:16:44,265 INFO L226 Difference]: Without dead ends: 15994 [2022-10-16 15:16:44,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:16:44,271 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 1253 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:44,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 418 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:44,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15994 states. [2022-10-16 15:16:45,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15994 to 15937. [2022-10-16 15:16:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15937 states, 15909 states have (on average 1.5712489785655919) internal successors, (24997), 15936 states have internal predecessors, (24997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15937 states to 15937 states and 24997 transitions. [2022-10-16 15:16:45,234 INFO L78 Accepts]: Start accepts. Automaton has 15937 states and 24997 transitions. Word has length 64 [2022-10-16 15:16:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:45,235 INFO L495 AbstractCegarLoop]: Abstraction has 15937 states and 24997 transitions. [2022-10-16 15:16:45,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 15937 states and 24997 transitions. [2022-10-16 15:16:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:16:45,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:45,237 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] [2022-10-16 15:16:45,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:16:45,237 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:45,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2102588863, now seen corresponding path program 1 times [2022-10-16 15:16:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:45,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629570251] [2022-10-16 15:16:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:45,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:45,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629570251] [2022-10-16 15:16:45,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629570251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:45,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:45,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:16:45,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144723984] [2022-10-16 15:16:45,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:45,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:16:45,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:16:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:45,368 INFO L87 Difference]: Start difference. First operand 15937 states and 24997 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:48,040 INFO L93 Difference]: Finished difference Result 59745 states and 94213 transitions. [2022-10-16 15:16:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:16:48,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 15:16:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:48,123 INFO L225 Difference]: With dead ends: 59745 [2022-10-16 15:16:48,124 INFO L226 Difference]: Without dead ends: 43845 [2022-10-16 15:16:48,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:16:48,156 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2019 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:48,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1016 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:16:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43845 states. [2022-10-16 15:16:49,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43845 to 31809. [2022-10-16 15:16:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31809 states, 31781 states have (on average 1.5316384003020673) internal successors, (48677), 31808 states have internal predecessors, (48677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31809 states to 31809 states and 48677 transitions. [2022-10-16 15:16:49,928 INFO L78 Accepts]: Start accepts. Automaton has 31809 states and 48677 transitions. Word has length 65 [2022-10-16 15:16:49,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:49,929 INFO L495 AbstractCegarLoop]: Abstraction has 31809 states and 48677 transitions. [2022-10-16 15:16:49,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 31809 states and 48677 transitions. [2022-10-16 15:16:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:16:49,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:49,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:49,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:16:49,931 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:49,932 INFO L85 PathProgramCache]: Analyzing trace with hash -755744891, now seen corresponding path program 1 times [2022-10-16 15:16:49,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:49,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172851595] [2022-10-16 15:16:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:49,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:50,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:50,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172851595] [2022-10-16 15:16:50,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172851595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:50,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:50,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:16:50,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297061431] [2022-10-16 15:16:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:50,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:16:50,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:50,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:16:50,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:50,091 INFO L87 Difference]: Start difference. First operand 31809 states and 48677 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:52,949 INFO L93 Difference]: Finished difference Result 45818 states and 70805 transitions. [2022-10-16 15:16:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 15:16:52,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:16:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:53,031 INFO L225 Difference]: With dead ends: 45818 [2022-10-16 15:16:53,031 INFO L226 Difference]: Without dead ends: 45815 [2022-10-16 15:16:53,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 15:16:53,048 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 2201 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:53,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 691 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:16:53,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45815 states. [2022-10-16 15:16:55,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45815 to 45697. [2022-10-16 15:16:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45697 states, 45669 states have (on average 1.5167619172742999) internal successors, (69269), 45696 states have internal predecessors, (69269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45697 states to 45697 states and 69269 transitions. [2022-10-16 15:16:55,383 INFO L78 Accepts]: Start accepts. Automaton has 45697 states and 69269 transitions. Word has length 66 [2022-10-16 15:16:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:55,384 INFO L495 AbstractCegarLoop]: Abstraction has 45697 states and 69269 transitions. [2022-10-16 15:16:55,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 45697 states and 69269 transitions. [2022-10-16 15:16:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:16:55,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:55,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:55,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:16:55,390 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:16:55,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:55,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2078433392, now seen corresponding path program 1 times [2022-10-16 15:16:55,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:55,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798151003] [2022-10-16 15:16:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:55,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:55,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:55,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798151003] [2022-10-16 15:16:55,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798151003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:55,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:55,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:55,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612641233] [2022-10-16 15:16:55,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:55,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:55,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:55,477 INFO L87 Difference]: Start difference. First operand 45697 states and 69269 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:58,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:58,154 INFO L93 Difference]: Finished difference Result 108127 states and 163671 transitions. [2022-10-16 15:16:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:58,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:16:58,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:58,277 INFO L225 Difference]: With dead ends: 108127 [2022-10-16 15:16:58,277 INFO L226 Difference]: Without dead ends: 62467 [2022-10-16 15:16:58,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:58,345 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 75 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:58,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 296 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62467 states. [2022-10-16 15:17:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62467 to 62131. [2022-10-16 15:17:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62131 states, 62103 states have (on average 1.4982690047179685) internal successors, (93047), 62130 states have internal predecessors, (93047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62131 states to 62131 states and 93047 transitions. [2022-10-16 15:17:01,652 INFO L78 Accepts]: Start accepts. Automaton has 62131 states and 93047 transitions. Word has length 74 [2022-10-16 15:17:01,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:01,653 INFO L495 AbstractCegarLoop]: Abstraction has 62131 states and 93047 transitions. [2022-10-16 15:17:01,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 62131 states and 93047 transitions. [2022-10-16 15:17:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:17:01,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:01,654 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] [2022-10-16 15:17:01,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:17:01,654 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:01,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1639607872, now seen corresponding path program 1 times [2022-10-16 15:17:01,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:01,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127834968] [2022-10-16 15:17:01,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:01,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:02,063 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 15:17:02,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:02,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127834968] [2022-10-16 15:17:02,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127834968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:02,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:02,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:17:02,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719467612] [2022-10-16 15:17:02,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:02,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:17:02,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:02,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:17:02,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:02,066 INFO L87 Difference]: Start difference. First operand 62131 states and 93047 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:05,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:05,305 INFO L93 Difference]: Finished difference Result 124245 states and 186055 transitions. [2022-10-16 15:17:05,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:17:05,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:17:05,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:05,407 INFO L225 Difference]: With dead ends: 124245 [2022-10-16 15:17:05,407 INFO L226 Difference]: Without dead ends: 62153 [2022-10-16 15:17:05,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:17:05,455 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 497 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:05,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 483 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:17:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62153 states. [2022-10-16 15:17:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62153 to 62131. [2022-10-16 15:17:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62131 states, 62103 states have (on average 1.4923433650548283) internal successors, (92679), 62130 states have internal predecessors, (92679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62131 states to 62131 states and 92679 transitions. [2022-10-16 15:17:08,744 INFO L78 Accepts]: Start accepts. Automaton has 62131 states and 92679 transitions. Word has length 82 [2022-10-16 15:17:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:08,745 INFO L495 AbstractCegarLoop]: Abstraction has 62131 states and 92679 transitions. [2022-10-16 15:17:08,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 62131 states and 92679 transitions. [2022-10-16 15:17:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:17:08,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:08,746 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] [2022-10-16 15:17:08,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:17:08,747 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:08,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1838336375, now seen corresponding path program 1 times [2022-10-16 15:17:08,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:08,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539776413] [2022-10-16 15:17:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:08,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:08,883 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 15:17:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539776413] [2022-10-16 15:17:08,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539776413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:08,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:08,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143710852] [2022-10-16 15:17:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:08,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:08,886 INFO L87 Difference]: Start difference. First operand 62131 states and 92679 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:11,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:11,533 INFO L93 Difference]: Finished difference Result 62178 states and 92731 transitions. [2022-10-16 15:17:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:11,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 15:17:11,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:11,618 INFO L225 Difference]: With dead ends: 62178 [2022-10-16 15:17:11,618 INFO L226 Difference]: Without dead ends: 62176 [2022-10-16 15:17:11,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 15:17:11,631 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 8 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:11,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 502 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:11,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62176 states. [2022-10-16 15:17:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62176 to 62176. [2022-10-16 15:17:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62176 states, 62148 states have (on average 1.49206732316406) internal successors, (92729), 62175 states have internal predecessors, (92729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62176 states to 62176 states and 92729 transitions. [2022-10-16 15:17:14,569 INFO L78 Accepts]: Start accepts. Automaton has 62176 states and 92729 transitions. Word has length 83 [2022-10-16 15:17:14,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:14,569 INFO L495 AbstractCegarLoop]: Abstraction has 62176 states and 92729 transitions. [2022-10-16 15:17:14,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 62176 states and 92729 transitions. [2022-10-16 15:17:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:17:14,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:14,571 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:14,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:17:14,571 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:14,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:14,572 INFO L85 PathProgramCache]: Analyzing trace with hash 582662273, now seen corresponding path program 1 times [2022-10-16 15:17:14,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:14,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068257201] [2022-10-16 15:17:14,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:14,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:14,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:14,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068257201] [2022-10-16 15:17:14,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068257201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:14,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:14,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:17:14,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296383403] [2022-10-16 15:17:14,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:14,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:14,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:14,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:14,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:14,857 INFO L87 Difference]: Start difference. First operand 62176 states and 92729 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:17,401 INFO L93 Difference]: Finished difference Result 62176 states and 92729 transitions. [2022-10-16 15:17:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:17,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:17:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:17,485 INFO L225 Difference]: With dead ends: 62176 [2022-10-16 15:17:17,485 INFO L226 Difference]: Without dead ends: 62175 [2022-10-16 15:17:17,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:17,503 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 85 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:17,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 164 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:17,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62175 states. [2022-10-16 15:17:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62175 to 62175. [2022-10-16 15:17:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62175 states, 62148 states have (on average 1.4861459741262792) internal successors, (92361), 62174 states have internal predecessors, (92361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62175 states to 62175 states and 92361 transitions. [2022-10-16 15:17:20,582 INFO L78 Accepts]: Start accepts. Automaton has 62175 states and 92361 transitions. Word has length 88 [2022-10-16 15:17:20,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:20,583 INFO L495 AbstractCegarLoop]: Abstraction has 62175 states and 92361 transitions. [2022-10-16 15:17:20,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 62175 states and 92361 transitions. [2022-10-16 15:17:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:17:20,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:20,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:20,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:17:20,588 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:20,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:20,589 INFO L85 PathProgramCache]: Analyzing trace with hash -104943109, now seen corresponding path program 1 times [2022-10-16 15:17:20,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:20,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743213587] [2022-10-16 15:17:20,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:20,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:20,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:20,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743213587] [2022-10-16 15:17:20,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743213587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:20,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:20,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:20,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815178323] [2022-10-16 15:17:20,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:20,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:20,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:20,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:20,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:20,770 INFO L87 Difference]: Start difference. First operand 62175 states and 92361 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:24,158 INFO L93 Difference]: Finished difference Result 80073 states and 120009 transitions. [2022-10-16 15:17:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:24,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:17:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:24,265 INFO L225 Difference]: With dead ends: 80073 [2022-10-16 15:17:24,265 INFO L226 Difference]: Without dead ends: 80070 [2022-10-16 15:17:24,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:24,280 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 188 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:24,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 399 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80070 states. [2022-10-16 15:17:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80070 to 63199. [2022-10-16 15:17:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63199 states, 63172 states have (on average 1.4914360792756285) internal successors, (94217), 63198 states have internal predecessors, (94217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63199 states to 63199 states and 94217 transitions. [2022-10-16 15:17:27,633 INFO L78 Accepts]: Start accepts. Automaton has 63199 states and 94217 transitions. Word has length 108 [2022-10-16 15:17:27,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:27,634 INFO L495 AbstractCegarLoop]: Abstraction has 63199 states and 94217 transitions. [2022-10-16 15:17:27,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 63199 states and 94217 transitions. [2022-10-16 15:17:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:17:27,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:27,638 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:27,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:17:27,638 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash 29157667, now seen corresponding path program 1 times [2022-10-16 15:17:27,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:27,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451726048] [2022-10-16 15:17:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:27,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451726048] [2022-10-16 15:17:27,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451726048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:27,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:27,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:27,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902095309] [2022-10-16 15:17:27,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:27,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:27,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:27,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:27,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:27,770 INFO L87 Difference]: Start difference. First operand 63199 states and 94217 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:31,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:31,848 INFO L93 Difference]: Finished difference Result 86028 states and 128649 transitions. [2022-10-16 15:17:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:31,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:17:31,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:31,962 INFO L225 Difference]: With dead ends: 86028 [2022-10-16 15:17:31,962 INFO L226 Difference]: Without dead ends: 86025 [2022-10-16 15:17:31,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:31,982 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 185 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:31,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 403 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:32,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86025 states. [2022-10-16 15:17:36,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86025 to 85983. [2022-10-16 15:17:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85983 states, 85956 states have (on average 1.4933337986877007) internal successors, (128361), 85982 states have internal predecessors, (128361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85983 states to 85983 states and 128361 transitions. [2022-10-16 15:17:36,563 INFO L78 Accepts]: Start accepts. Automaton has 85983 states and 128361 transitions. Word has length 110 [2022-10-16 15:17:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:36,563 INFO L495 AbstractCegarLoop]: Abstraction has 85983 states and 128361 transitions. [2022-10-16 15:17:36,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 85983 states and 128361 transitions. [2022-10-16 15:17:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:17:36,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:36,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:36,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:17:36,568 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1349740125, now seen corresponding path program 1 times [2022-10-16 15:17:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:36,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192374944] [2022-10-16 15:17:36,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:36,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:17:36,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:36,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192374944] [2022-10-16 15:17:36,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192374944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:36,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:36,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:36,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458906517] [2022-10-16 15:17:36,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:36,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:36,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:36,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:36,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:36,964 INFO L87 Difference]: Start difference. First operand 85983 states and 128361 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:41,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:41,038 INFO L93 Difference]: Finished difference Result 86034 states and 128361 transitions. [2022-10-16 15:17:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:41,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:17:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:41,157 INFO L225 Difference]: With dead ends: 86034 [2022-10-16 15:17:41,157 INFO L226 Difference]: Without dead ends: 86031 [2022-10-16 15:17:41,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:41,174 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 452 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:41,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 493 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86031 states. [2022-10-16 15:17:45,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86031 to 77567. [2022-10-16 15:17:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77567 states, 77540 states have (on average 1.494054681454733) internal successors, (115849), 77566 states have internal predecessors, (115849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77567 states to 77567 states and 115849 transitions. [2022-10-16 15:17:45,666 INFO L78 Accepts]: Start accepts. Automaton has 77567 states and 115849 transitions. Word has length 110 [2022-10-16 15:17:45,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:45,666 INFO L495 AbstractCegarLoop]: Abstraction has 77567 states and 115849 transitions. [2022-10-16 15:17:45,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 77567 states and 115849 transitions. [2022-10-16 15:17:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:17:45,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:45,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:45,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:17:45,672 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:45,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash -2066066819, now seen corresponding path program 1 times [2022-10-16 15:17:45,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:45,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538590998] [2022-10-16 15:17:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:45,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:45,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538590998] [2022-10-16 15:17:45,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538590998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:45,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:45,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:45,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808771070] [2022-10-16 15:17:45,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:45,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:45,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:45,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:45,864 INFO L87 Difference]: Start difference. First operand 77567 states and 115849 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:50,474 INFO L93 Difference]: Finished difference Result 94453 states and 140489 transitions. [2022-10-16 15:17:50,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:50,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:17:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:50,603 INFO L225 Difference]: With dead ends: 94453 [2022-10-16 15:17:50,603 INFO L226 Difference]: Without dead ends: 94450 [2022-10-16 15:17:50,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:50,624 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 450 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:50,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 513 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94450 states. [2022-10-16 15:17:55,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94450 to 94399. [2022-10-16 15:17:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94399 states, 94372 states have (on average 1.4846034840842623) internal successors, (140105), 94398 states have internal predecessors, (140105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94399 states to 94399 states and 140105 transitions. [2022-10-16 15:17:55,970 INFO L78 Accepts]: Start accepts. Automaton has 94399 states and 140105 transitions. Word has length 110 [2022-10-16 15:17:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:55,970 INFO L495 AbstractCegarLoop]: Abstraction has 94399 states and 140105 transitions. [2022-10-16 15:17:55,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 94399 states and 140105 transitions. [2022-10-16 15:17:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:17:55,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:55,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:55,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:17:55,976 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:17:55,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash 903888087, now seen corresponding path program 1 times [2022-10-16 15:17:55,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:55,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53354315] [2022-10-16 15:17:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:56,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:56,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53354315] [2022-10-16 15:17:56,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53354315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:56,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:56,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:56,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042122967] [2022-10-16 15:17:56,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:56,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:56,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:56,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:56,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:56,097 INFO L87 Difference]: Start difference. First operand 94399 states and 140105 transitions. Second operand has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:01,179 INFO L93 Difference]: Finished difference Result 94420 states and 140105 transitions. [2022-10-16 15:18:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:18:01,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:18:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:01,403 INFO L225 Difference]: With dead ends: 94420 [2022-10-16 15:18:01,403 INFO L226 Difference]: Without dead ends: 94417 [2022-10-16 15:18:01,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:01,422 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 193 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:01,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 312 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:18:01,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94417 states. [2022-10-16 15:18:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94417 to 94396. [2022-10-16 15:18:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94396 states, 94372 states have (on average 1.4784999788072732) internal successors, (139529), 94395 states have internal predecessors, (139529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94396 states to 94396 states and 139529 transitions. [2022-10-16 15:18:06,995 INFO L78 Accepts]: Start accepts. Automaton has 94396 states and 139529 transitions. Word has length 111 [2022-10-16 15:18:06,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:06,995 INFO L495 AbstractCegarLoop]: Abstraction has 94396 states and 139529 transitions. [2022-10-16 15:18:06,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 94396 states and 139529 transitions. [2022-10-16 15:18:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:18:07,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:07,001 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:07,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:18:07,001 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:18:07,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash 376438465, now seen corresponding path program 1 times [2022-10-16 15:18:07,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:07,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914631410] [2022-10-16 15:18:07,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:07,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:07,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914631410] [2022-10-16 15:18:07,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914631410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:07,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:07,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:07,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071424014] [2022-10-16 15:18:07,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:07,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:07,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:07,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:07,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:07,145 INFO L87 Difference]: Start difference. First operand 94396 states and 139529 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:13,396 INFO L93 Difference]: Finished difference Result 124204 states and 185897 transitions. [2022-10-16 15:18:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:13,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:18:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:13,718 INFO L225 Difference]: With dead ends: 124204 [2022-10-16 15:18:13,719 INFO L226 Difference]: Without dead ends: 124201 [2022-10-16 15:18:13,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:13,748 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 470 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:13,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 391 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124201 states. [2022-10-16 15:18:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124201 to 112252. [2022-10-16 15:18:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112252 states, 112228 states have (on average 1.485342338810279) internal successors, (166697), 112251 states have internal predecessors, (166697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112252 states to 112252 states and 166697 transitions. [2022-10-16 15:18:20,385 INFO L78 Accepts]: Start accepts. Automaton has 112252 states and 166697 transitions. Word has length 111 [2022-10-16 15:18:20,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:20,385 INFO L495 AbstractCegarLoop]: Abstraction has 112252 states and 166697 transitions. [2022-10-16 15:18:20,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 112252 states and 166697 transitions. [2022-10-16 15:18:20,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:18:20,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:20,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:20,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:18:20,392 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:18:20,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:20,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2044239963, now seen corresponding path program 1 times [2022-10-16 15:18:20,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:20,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660058905] [2022-10-16 15:18:20,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:20,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:20,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660058905] [2022-10-16 15:18:20,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660058905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:20,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:20,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:20,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191690347] [2022-10-16 15:18:20,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:20,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:20,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:20,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:20,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:20,528 INFO L87 Difference]: Start difference. First operand 112252 states and 166697 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:26,530 INFO L93 Difference]: Finished difference Result 118258 states and 175913 transitions. [2022-10-16 15:18:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:26,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:18:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:26,710 INFO L225 Difference]: With dead ends: 118258 [2022-10-16 15:18:26,710 INFO L226 Difference]: Without dead ends: 118255 [2022-10-16 15:18:26,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:26,734 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 444 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:26,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 501 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:26,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118255 states. [2022-10-16 15:18:33,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118255 to 118204. [2022-10-16 15:18:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118204 states, 118180 states have (on average 1.4860805550854628) internal successors, (175625), 118203 states have internal predecessors, (175625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118204 states to 118204 states and 175625 transitions. [2022-10-16 15:18:33,609 INFO L78 Accepts]: Start accepts. Automaton has 118204 states and 175625 transitions. Word has length 112 [2022-10-16 15:18:33,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:33,609 INFO L495 AbstractCegarLoop]: Abstraction has 118204 states and 175625 transitions. [2022-10-16 15:18:33,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 118204 states and 175625 transitions. [2022-10-16 15:18:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:18:33,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:33,620 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:33,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:18:33,621 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:18:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:33,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1025648845, now seen corresponding path program 1 times [2022-10-16 15:18:33,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:33,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926569989] [2022-10-16 15:18:33,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:33,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:33,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:33,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926569989] [2022-10-16 15:18:33,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926569989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:33,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:33,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:18:33,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890313041] [2022-10-16 15:18:33,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:33,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:18:33,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:33,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:18:33,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:33,774 INFO L87 Difference]: Start difference. First operand 118204 states and 175625 transitions. Second operand has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:40,516 INFO L93 Difference]: Finished difference Result 130150 states and 194633 transitions. [2022-10-16 15:18:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:18:40,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:18:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:40,708 INFO L225 Difference]: With dead ends: 130150 [2022-10-16 15:18:40,708 INFO L226 Difference]: Without dead ends: 130147 [2022-10-16 15:18:40,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:40,734 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 239 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:40,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 518 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130147 states. [2022-10-16 15:18:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130147 to 118204. [2022-10-16 15:18:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118204 states, 118180 states have (on average 1.4763327128109662) internal successors, (174473), 118203 states have internal predecessors, (174473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118204 states to 118204 states and 174473 transitions. [2022-10-16 15:18:47,876 INFO L78 Accepts]: Start accepts. Automaton has 118204 states and 174473 transitions. Word has length 112 [2022-10-16 15:18:47,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:47,876 INFO L495 AbstractCegarLoop]: Abstraction has 118204 states and 174473 transitions. [2022-10-16 15:18:47,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 118204 states and 174473 transitions. [2022-10-16 15:18:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:18:47,883 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:47,884 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:47,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:18:47,884 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:18:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1111489857, now seen corresponding path program 1 times [2022-10-16 15:18:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:47,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204138478] [2022-10-16 15:18:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:47,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:18:48,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:48,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204138478] [2022-10-16 15:18:48,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204138478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:48,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:48,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:48,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815045419] [2022-10-16 15:18:48,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:48,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:48,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:48,041 INFO L87 Difference]: Start difference. First operand 118204 states and 174473 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:53,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:53,969 INFO L93 Difference]: Finished difference Result 118255 states and 174473 transitions. [2022-10-16 15:18:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:18:53,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:18:53,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:54,138 INFO L225 Difference]: With dead ends: 118255 [2022-10-16 15:18:54,138 INFO L226 Difference]: Without dead ends: 118252 [2022-10-16 15:18:54,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:54,160 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 798 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:54,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 601 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:18:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118252 states. [2022-10-16 15:19:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118252 to 112588. [2022-10-16 15:19:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112588 states, 112564 states have (on average 1.4807664972815464) internal successors, (166681), 112587 states have internal predecessors, (166681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112588 states to 112588 states and 166681 transitions. [2022-10-16 15:19:01,125 INFO L78 Accepts]: Start accepts. Automaton has 112588 states and 166681 transitions. Word has length 112 [2022-10-16 15:19:01,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:01,127 INFO L495 AbstractCegarLoop]: Abstraction has 112588 states and 166681 transitions. [2022-10-16 15:19:01,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 112588 states and 166681 transitions. [2022-10-16 15:19:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:19:01,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:01,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:01,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:19:01,150 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:19:01,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash 20149983, now seen corresponding path program 1 times [2022-10-16 15:19:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:01,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094094543] [2022-10-16 15:19:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:19:01,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:01,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094094543] [2022-10-16 15:19:01,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094094543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:01,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:01,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:01,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443454006] [2022-10-16 15:19:01,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:01,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:01,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:01,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:01,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:01,378 INFO L87 Difference]: Start difference. First operand 112588 states and 166681 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:08,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:08,963 INFO L93 Difference]: Finished difference Result 126674 states and 186217 transitions. [2022-10-16 15:19:08,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:08,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:19:08,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:09,288 INFO L225 Difference]: With dead ends: 126674 [2022-10-16 15:19:09,289 INFO L226 Difference]: Without dead ends: 126671 [2022-10-16 15:19:09,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:09,318 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 777 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:09,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 618 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:19:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126671 states. [2022-10-16 15:19:16,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126671 to 126620. [2022-10-16 15:19:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126620 states, 126596 states have (on average 1.4679215773010206) internal successors, (185833), 126619 states have internal predecessors, (185833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126620 states to 126620 states and 185833 transitions. [2022-10-16 15:19:17,033 INFO L78 Accepts]: Start accepts. Automaton has 126620 states and 185833 transitions. Word has length 112 [2022-10-16 15:19:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:17,033 INFO L495 AbstractCegarLoop]: Abstraction has 126620 states and 185833 transitions. [2022-10-16 15:19:17,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 126620 states and 185833 transitions. [2022-10-16 15:19:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:19:17,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:17,037 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:17,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:19:17,038 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:19:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:17,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1215309057, now seen corresponding path program 1 times [2022-10-16 15:19:17,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:17,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10745381] [2022-10-16 15:19:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:19:17,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:17,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10745381] [2022-10-16 15:19:17,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10745381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:17,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:17,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:17,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180936826] [2022-10-16 15:19:17,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:17,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:17,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:17,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:17,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:17,185 INFO L87 Difference]: Start difference. First operand 126620 states and 185833 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:24,224 INFO L93 Difference]: Finished difference Result 135090 states and 197961 transitions. [2022-10-16 15:19:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:24,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:19:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:24,435 INFO L225 Difference]: With dead ends: 135090 [2022-10-16 15:19:24,436 INFO L226 Difference]: Without dead ends: 135087 [2022-10-16 15:19:24,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:24,590 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 788 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:24,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 627 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135087 states. [2022-10-16 15:19:32,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135087 to 135036. [2022-10-16 15:19:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135036 states, 135012 states have (on average 1.4634032530441738) internal successors, (197577), 135035 states have internal predecessors, (197577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135036 states to 135036 states and 197577 transitions. [2022-10-16 15:19:32,890 INFO L78 Accepts]: Start accepts. Automaton has 135036 states and 197577 transitions. Word has length 112 [2022-10-16 15:19:32,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:32,890 INFO L495 AbstractCegarLoop]: Abstraction has 135036 states and 197577 transitions. [2022-10-16 15:19:32,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 135036 states and 197577 transitions. [2022-10-16 15:19:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:19:32,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:32,894 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:32,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:19:32,894 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:19:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1721109895, now seen corresponding path program 1 times [2022-10-16 15:19:32,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:32,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638520381] [2022-10-16 15:19:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:19:33,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:33,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638520381] [2022-10-16 15:19:33,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638520381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:33,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:33,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:19:33,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712189268] [2022-10-16 15:19:33,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:33,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:19:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:19:33,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:19:33,027 INFO L87 Difference]: Start difference. First operand 135036 states and 197577 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:40,442 INFO L93 Difference]: Finished difference Result 143503 states and 210089 transitions. [2022-10-16 15:19:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:19:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:19:40,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:40,689 INFO L225 Difference]: With dead ends: 143503 [2022-10-16 15:19:40,689 INFO L226 Difference]: Without dead ends: 143500 [2022-10-16 15:19:40,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:19:40,722 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 302 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:40,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 672 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143500 states. [2022-10-16 15:19:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143500 to 135036. [2022-10-16 15:19:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135036 states, 135012 states have (on average 1.457714869789352) internal successors, (196809), 135035 states have internal predecessors, (196809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135036 states to 135036 states and 196809 transitions. [2022-10-16 15:19:49,185 INFO L78 Accepts]: Start accepts. Automaton has 135036 states and 196809 transitions. Word has length 112 [2022-10-16 15:19:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:49,185 INFO L495 AbstractCegarLoop]: Abstraction has 135036 states and 196809 transitions. [2022-10-16 15:19:49,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 135036 states and 196809 transitions. [2022-10-16 15:19:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:19:49,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:49,189 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:49,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:19:49,189 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:19:49,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:49,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1053071001, now seen corresponding path program 1 times [2022-10-16 15:19:49,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:49,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364350448] [2022-10-16 15:19:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:19:49,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:49,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364350448] [2022-10-16 15:19:49,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364350448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:49,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:49,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:19:49,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875268581] [2022-10-16 15:19:49,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:19:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:49,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:19:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:19:49,316 INFO L87 Difference]: Start difference. First operand 135036 states and 196809 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:57,435 INFO L93 Difference]: Finished difference Result 158892 states and 234249 transitions. [2022-10-16 15:19:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:19:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 15:19:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:57,704 INFO L225 Difference]: With dead ends: 158892 [2022-10-16 15:19:57,704 INFO L226 Difference]: Without dead ends: 158889 [2022-10-16 15:19:57,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:19:57,751 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 476 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:57,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 395 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158889 states. [2022-10-16 15:20:06,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158889 to 158844. [2022-10-16 15:20:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158844 states, 158820 states have (on average 1.4658670192670948) internal successors, (232809), 158843 states have internal predecessors, (232809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158844 states to 158844 states and 232809 transitions. [2022-10-16 15:20:07,721 INFO L78 Accepts]: Start accepts. Automaton has 158844 states and 232809 transitions. Word has length 113 [2022-10-16 15:20:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:07,721 INFO L495 AbstractCegarLoop]: Abstraction has 158844 states and 232809 transitions. [2022-10-16 15:20:07,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 158844 states and 232809 transitions. [2022-10-16 15:20:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:20:07,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:07,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:20:07,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:20:07,727 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 15:20:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:07,728 INFO L85 PathProgramCache]: Analyzing trace with hash 624649891, now seen corresponding path program 1 times [2022-10-16 15:20:07,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:07,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632207941] [2022-10-16 15:20:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:20:07,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:07,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632207941] [2022-10-16 15:20:07,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632207941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:07,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:07,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:07,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25188318] [2022-10-16 15:20:07,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:07,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:07,872 INFO L87 Difference]: Start difference. First operand 158844 states and 232809 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)