/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:59:37,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:59:37,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:59:37,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:59:37,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:59:37,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:59:37,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:59:37,361 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 [2022-10-15 21:59:37,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:59:37,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:59:37,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:59:37,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:59:37,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:59:37,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:59:37,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:59:37,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:59:37,398 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:59:37,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:59:37,399 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:59:37,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:59:37,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:59:37,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:59:37,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:59:37,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:59:37,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:59:37,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:59:37,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:59:37,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:59:37,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:59:37,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:59:37,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:59:37,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:59:37,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:59:37,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:59:37,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:37,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:59:37,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:59:37,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:59:37,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:59:37,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:59:37,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:59:37,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:59:37,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:59:37,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:59:37,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:59:37,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:59:37,796 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:59:37,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:37,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c03d9e9/9b5170dcc38d4e0789343ad8052ef056/FLAGc8d568c06 [2022-10-15 21:59:38,596 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:59:38,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:38,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c03d9e9/9b5170dcc38d4e0789343ad8052ef056/FLAGc8d568c06 [2022-10-15 21:59:38,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c03d9e9/9b5170dcc38d4e0789343ad8052ef056 [2022-10-15 21:59:38,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:59:38,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:59:38,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:38,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:59:38,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:59:38,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181e8c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:38, skipping insertion in model container [2022-10-15 21:59:38,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:59:38" (1/1) ... [2022-10-15 21:59:38,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:59:38,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:59:39,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c[31211,31224] [2022-10-15 21:59:39,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:39,451 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:59:39,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c[31211,31224] [2022-10-15 21:59:39,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:59:39,584 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:59:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39 WrapperNode [2022-10-15 21:59:39,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:59:39,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:39,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:59:39,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:59:39,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,751 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1056 [2022-10-15 21:59:39,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:59:39,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:59:39,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:59:39,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:59:39,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:59:39,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:59:39,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:59:39,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:59:39,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (1/1) ... [2022-10-15 21:59:39,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:59:39,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:59:39,920 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) [2022-10-15 21:59:39,941 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 [2022-10-15 21:59:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:59:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:59:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:59:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:59:40,133 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:59:40,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:59:41,347 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:59:41,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:59:41,362 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:59:41,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:41 BoogieIcfgContainer [2022-10-15 21:59:41,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:59:41,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:59:41,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:59:41,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:59:41,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:59:38" (1/3) ... [2022-10-15 21:59:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e10852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:41, skipping insertion in model container [2022-10-15 21:59:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:59:39" (2/3) ... [2022-10-15 21:59:41,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e10852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:59:41, skipping insertion in model container [2022-10-15 21:59:41,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:59:41" (3/3) ... [2022-10-15 21:59:41,377 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c [2022-10-15 21:59:41,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:59:41,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-15 21:59:41,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:59:41,488 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;@1a181398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:59:41,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-15 21:59:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 420 states, 373 states have (on average 1.8310991957104559) internal successors, (683), 419 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 21:59:41,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:41,511 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] [2022-10-15 21:59:41,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:41,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2049866395, now seen corresponding path program 1 times [2022-10-15 21:59:41,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:41,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201866285] [2022-10-15 21:59:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:41,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:41,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201866285] [2022-10-15 21:59:41,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201866285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:41,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:41,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:59:41,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145020822] [2022-10-15 21:59:41,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:42,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:59:42,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:42,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:59:42,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:59:42,054 INFO L87 Difference]: Start difference. First operand has 420 states, 373 states have (on average 1.8310991957104559) internal successors, (683), 419 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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) [2022-10-15 21:59:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:42,154 INFO L93 Difference]: Finished difference Result 633 states and 1001 transitions. [2022-10-15 21:59:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:59:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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 [2022-10-15 21:59:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:42,174 INFO L225 Difference]: With dead ends: 633 [2022-10-15 21:59:42,174 INFO L226 Difference]: Without dead ends: 407 [2022-10-15 21:59:42,179 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 [2022-10-15 21:59:42,184 INFO L413 NwaCegarLoop]: 668 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, 668 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 [2022-10-15 21:59:42,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-10-15 21:59:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2022-10-15 21:59:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 369 states have (on average 1.8075880758807588) internal successors, (667), 406 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 667 transitions. [2022-10-15 21:59:42,266 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 667 transitions. Word has length 59 [2022-10-15 21:59:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:42,267 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 667 transitions. [2022-10-15 21:59:42,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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) [2022-10-15 21:59:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 667 transitions. [2022-10-15 21:59:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:59:42,273 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:42,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:42,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:59:42,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:42,275 INFO L85 PathProgramCache]: Analyzing trace with hash -863303215, now seen corresponding path program 1 times [2022-10-15 21:59:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:42,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214558007] [2022-10-15 21:59:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:42,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214558007] [2022-10-15 21:59:42,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214558007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:42,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:42,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:42,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000838677] [2022-10-15 21:59:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:42,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:42,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:42,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:42,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:42,733 INFO L87 Difference]: Start difference. First operand 407 states and 667 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:42,851 INFO L93 Difference]: Finished difference Result 622 states and 976 transitions. [2022-10-15 21:59:42,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:42,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:59:42,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:42,856 INFO L225 Difference]: With dead ends: 622 [2022-10-15 21:59:42,856 INFO L226 Difference]: Without dead ends: 407 [2022-10-15 21:59:42,858 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 [2022-10-15 21:59:42,860 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 3 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2611 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:42,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2611 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-10-15 21:59:42,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2022-10-15 21:59:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 369 states have (on average 1.6829268292682926) internal successors, (621), 406 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 621 transitions. [2022-10-15 21:59:42,909 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 621 transitions. Word has length 73 [2022-10-15 21:59:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:42,911 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 621 transitions. [2022-10-15 21:59:42,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 621 transitions. [2022-10-15 21:59:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 21:59:42,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:42,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:42,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:59:42,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:42,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:42,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2108681223, now seen corresponding path program 1 times [2022-10-15 21:59:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:42,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327278545] [2022-10-15 21:59:42,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:42,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327278545] [2022-10-15 21:59:43,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327278545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411266918] [2022-10-15 21:59:43,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,230 INFO L87 Difference]: Start difference. First operand 407 states and 621 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:43,300 INFO L93 Difference]: Finished difference Result 793 states and 1185 transitions. [2022-10-15 21:59:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:43,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 21:59:43,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:43,308 INFO L225 Difference]: With dead ends: 793 [2022-10-15 21:59:43,308 INFO L226 Difference]: Without dead ends: 582 [2022-10-15 21:59:43,314 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 [2022-10-15 21:59:43,321 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 250 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:43,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1195 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:43,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-10-15 21:59:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 554. [2022-10-15 21:59:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 516 states have (on average 1.689922480620155) internal successors, (872), 553 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 872 transitions. [2022-10-15 21:59:43,370 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 872 transitions. Word has length 118 [2022-10-15 21:59:43,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:43,373 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 872 transitions. [2022-10-15 21:59:43,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 872 transitions. [2022-10-15 21:59:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 21:59:43,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:43,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:43,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:59:43,382 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:43,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:43,383 INFO L85 PathProgramCache]: Analyzing trace with hash -994652464, now seen corresponding path program 1 times [2022-10-15 21:59:43,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:43,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022015842] [2022-10-15 21:59:43,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022015842] [2022-10-15 21:59:43,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022015842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452236952] [2022-10-15 21:59:43,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,649 INFO L87 Difference]: Start difference. First operand 554 states and 872 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:43,706 INFO L93 Difference]: Finished difference Result 1250 states and 1948 transitions. [2022-10-15 21:59:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:43,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-15 21:59:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:43,713 INFO L225 Difference]: With dead ends: 1250 [2022-10-15 21:59:43,713 INFO L226 Difference]: Without dead ends: 892 [2022-10-15 21:59:43,714 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 [2022-10-15 21:59:43,715 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 275 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:43,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1191 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-10-15 21:59:43,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 850. [2022-10-15 21:59:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 812 states have (on average 1.7044334975369457) internal successors, (1384), 849 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1384 transitions. [2022-10-15 21:59:43,758 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1384 transitions. Word has length 121 [2022-10-15 21:59:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:43,759 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1384 transitions. [2022-10-15 21:59:43,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1384 transitions. [2022-10-15 21:59:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 21:59:43,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:43,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:43,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:59:43,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:43,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:43,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2014348357, now seen corresponding path program 1 times [2022-10-15 21:59:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:43,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497968796] [2022-10-15 21:59:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:43,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:43,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497968796] [2022-10-15 21:59:43,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497968796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:43,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:43,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831329245] [2022-10-15 21:59:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:43,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:43,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:43,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:43,986 INFO L87 Difference]: Start difference. First operand 850 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:44,059 INFO L93 Difference]: Finished difference Result 2118 states and 3448 transitions. [2022-10-15 21:59:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:44,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 21:59:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:44,070 INFO L225 Difference]: With dead ends: 2118 [2022-10-15 21:59:44,070 INFO L226 Difference]: Without dead ends: 1464 [2022-10-15 21:59:44,072 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 [2022-10-15 21:59:44,075 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 268 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:44,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1192 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:44,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-10-15 21:59:44,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1418. [2022-10-15 21:59:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1380 states have (on average 1.7130434782608697) internal successors, (2364), 1417 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2364 transitions. [2022-10-15 21:59:44,141 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2364 transitions. Word has length 124 [2022-10-15 21:59:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:44,142 INFO L495 AbstractCegarLoop]: Abstraction has 1418 states and 2364 transitions. [2022-10-15 21:59:44,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2364 transitions. [2022-10-15 21:59:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 21:59:44,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:44,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:44,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:59:44,145 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:44,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash -83396978, now seen corresponding path program 1 times [2022-10-15 21:59:44,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267986249] [2022-10-15 21:59:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:44,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:44,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267986249] [2022-10-15 21:59:44,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267986249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:44,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:44,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782736318] [2022-10-15 21:59:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:44,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:44,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:44,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:44,400 INFO L87 Difference]: Start difference. First operand 1418 states and 2364 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:44,504 INFO L93 Difference]: Finished difference Result 3782 states and 6316 transitions. [2022-10-15 21:59:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:44,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-15 21:59:44,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:44,524 INFO L225 Difference]: With dead ends: 3782 [2022-10-15 21:59:44,524 INFO L226 Difference]: Without dead ends: 2560 [2022-10-15 21:59:44,527 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 [2022-10-15 21:59:44,531 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 260 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:44,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1190 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2022-10-15 21:59:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2506. [2022-10-15 21:59:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2468 states have (on average 1.7131280388978931) internal successors, (4228), 2505 states have internal predecessors, (4228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 4228 transitions. [2022-10-15 21:59:44,654 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 4228 transitions. Word has length 127 [2022-10-15 21:59:44,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:44,654 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 4228 transitions. [2022-10-15 21:59:44,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 4228 transitions. [2022-10-15 21:59:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 21:59:44,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:44,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:44,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:59:44,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash 228863741, now seen corresponding path program 1 times [2022-10-15 21:59:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:44,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676315731] [2022-10-15 21:59:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:44,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:44,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676315731] [2022-10-15 21:59:44,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676315731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:44,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:44,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:44,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963289459] [2022-10-15 21:59:44,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:44,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:44,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:44,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:44,867 INFO L87 Difference]: Start difference. First operand 2506 states and 4228 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:45,224 INFO L93 Difference]: Finished difference Result 5003 states and 8444 transitions. [2022-10-15 21:59:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:59:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-15 21:59:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:45,255 INFO L225 Difference]: With dead ends: 5003 [2022-10-15 21:59:45,255 INFO L226 Difference]: Without dead ends: 5000 [2022-10-15 21:59:45,260 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 [2022-10-15 21:59:45,264 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 895 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:45,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1745 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:45,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2022-10-15 21:59:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4286. [2022-10-15 21:59:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4286 states, 4248 states have (on average 1.7123352165725048) internal successors, (7274), 4285 states have internal predecessors, (7274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4286 states to 4286 states and 7274 transitions. [2022-10-15 21:59:45,510 INFO L78 Accepts]: Start accepts. Automaton has 4286 states and 7274 transitions. Word has length 130 [2022-10-15 21:59:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:45,511 INFO L495 AbstractCegarLoop]: Abstraction has 4286 states and 7274 transitions. [2022-10-15 21:59:45,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 4286 states and 7274 transitions. [2022-10-15 21:59:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 21:59:45,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:45,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:45,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:59:45,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:45,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1495157036, now seen corresponding path program 1 times [2022-10-15 21:59:45,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:45,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138651646] [2022-10-15 21:59:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:45,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:45,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138651646] [2022-10-15 21:59:45,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138651646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:45,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:45,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730261042] [2022-10-15 21:59:45,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:45,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:45,760 INFO L87 Difference]: Start difference. First operand 4286 states and 7274 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:46,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:46,057 INFO L93 Difference]: Finished difference Result 4965 states and 8404 transitions. [2022-10-15 21:59:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:59:46,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-10-15 21:59:46,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:46,085 INFO L225 Difference]: With dead ends: 4965 [2022-10-15 21:59:46,086 INFO L226 Difference]: Without dead ends: 4962 [2022-10-15 21:59:46,088 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 [2022-10-15 21:59:46,089 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 892 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:46,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1404 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:59:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4962 states. [2022-10-15 21:59:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4962 to 4930. [2022-10-15 21:59:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4930 states, 4892 states have (on average 1.705641864268193) internal successors, (8344), 4929 states have internal predecessors, (8344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4930 states to 4930 states and 8344 transitions. [2022-10-15 21:59:46,363 INFO L78 Accepts]: Start accepts. Automaton has 4930 states and 8344 transitions. Word has length 131 [2022-10-15 21:59:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:46,364 INFO L495 AbstractCegarLoop]: Abstraction has 4930 states and 8344 transitions. [2022-10-15 21:59:46,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4930 states and 8344 transitions. [2022-10-15 21:59:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 21:59:46,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:46,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:46,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:59:46,376 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash 894773727, now seen corresponding path program 1 times [2022-10-15 21:59:46,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:46,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101082075] [2022-10-15 21:59:46,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:46,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:46,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:46,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101082075] [2022-10-15 21:59:46,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101082075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:46,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:46,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:46,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370832429] [2022-10-15 21:59:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:46,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:46,621 INFO L87 Difference]: Start difference. First operand 4930 states and 8344 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:47,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:47,133 INFO L93 Difference]: Finished difference Result 6854 states and 11466 transitions. [2022-10-15 21:59:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:59:47,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-15 21:59:47,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:47,195 INFO L225 Difference]: With dead ends: 6854 [2022-10-15 21:59:47,195 INFO L226 Difference]: Without dead ends: 6851 [2022-10-15 21:59:47,199 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 [2022-10-15 21:59:47,202 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 1489 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:47,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 2602 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:59:47,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6851 states. [2022-10-15 21:59:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6851 to 6114. [2022-10-15 21:59:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6114 states, 6076 states have (on average 1.69651086240948) internal successors, (10308), 6113 states have internal predecessors, (10308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 10308 transitions. [2022-10-15 21:59:47,513 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 10308 transitions. Word has length 132 [2022-10-15 21:59:47,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:47,513 INFO L495 AbstractCegarLoop]: Abstraction has 6114 states and 10308 transitions. [2022-10-15 21:59:47,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 10308 transitions. [2022-10-15 21:59:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-15 21:59:47,516 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:47,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:47,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:59:47,517 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:47,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1968183350, now seen corresponding path program 1 times [2022-10-15 21:59:47,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:47,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403396695] [2022-10-15 21:59:47,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:47,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:47,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:47,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403396695] [2022-10-15 21:59:47,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403396695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:47,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:47,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:59:47,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904368555] [2022-10-15 21:59:47,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:47,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:59:47,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:47,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:59:47,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:59:47,770 INFO L87 Difference]: Start difference. First operand 6114 states and 10308 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:48,266 INFO L93 Difference]: Finished difference Result 6794 states and 11364 transitions. [2022-10-15 21:59:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:59:48,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-15 21:59:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:48,285 INFO L225 Difference]: With dead ends: 6794 [2022-10-15 21:59:48,285 INFO L226 Difference]: Without dead ends: 6791 [2022-10-15 21:59:48,288 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 [2022-10-15 21:59:48,289 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 1687 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:48,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 2018 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:59:48,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6791 states. [2022-10-15 21:59:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6791 to 6730. [2022-10-15 21:59:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6730 states, 6692 states have (on average 1.6876867901972505) internal successors, (11294), 6729 states have internal predecessors, (11294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6730 states to 6730 states and 11294 transitions. [2022-10-15 21:59:48,624 INFO L78 Accepts]: Start accepts. Automaton has 6730 states and 11294 transitions. Word has length 133 [2022-10-15 21:59:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:48,625 INFO L495 AbstractCegarLoop]: Abstraction has 6730 states and 11294 transitions. [2022-10-15 21:59:48,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6730 states and 11294 transitions. [2022-10-15 21:59:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 21:59:48,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:48,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:48,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:59:48,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:48,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:48,632 INFO L85 PathProgramCache]: Analyzing trace with hash 884143297, now seen corresponding path program 1 times [2022-10-15 21:59:48,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:48,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402107451] [2022-10-15 21:59:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:48,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:48,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:48,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402107451] [2022-10-15 21:59:48,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402107451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:48,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:48,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:48,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518664974] [2022-10-15 21:59:48,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:48,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:59:48,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:48,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:59:48,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:59:48,909 INFO L87 Difference]: Start difference. First operand 6730 states and 11294 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:50,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:50,271 INFO L93 Difference]: Finished difference Result 20682 states and 34614 transitions. [2022-10-15 21:59:50,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 21:59:50,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-10-15 21:59:50,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:50,314 INFO L225 Difference]: With dead ends: 20682 [2022-10-15 21:59:50,315 INFO L226 Difference]: Without dead ends: 14148 [2022-10-15 21:59:50,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:59:50,330 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 2323 mSDsluCounter, 4488 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2323 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:50,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2323 Valid, 5060 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:59:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14148 states. [2022-10-15 21:59:50,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14148 to 11998. [2022-10-15 21:59:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11998 states, 11960 states have (on average 1.6777591973244148) internal successors, (20066), 11997 states have internal predecessors, (20066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11998 states to 11998 states and 20066 transitions. [2022-10-15 21:59:50,864 INFO L78 Accepts]: Start accepts. Automaton has 11998 states and 20066 transitions. Word has length 134 [2022-10-15 21:59:50,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:50,865 INFO L495 AbstractCegarLoop]: Abstraction has 11998 states and 20066 transitions. [2022-10-15 21:59:50,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 11998 states and 20066 transitions. [2022-10-15 21:59:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 21:59:50,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:50,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:50,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:59:50,869 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:50,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:50,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2038401708, now seen corresponding path program 1 times [2022-10-15 21:59:50,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:50,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688855007] [2022-10-15 21:59:50,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:50,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:50,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:50,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688855007] [2022-10-15 21:59:50,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688855007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:50,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:50,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:50,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274079345] [2022-10-15 21:59:50,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:50,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:50,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:50,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:50,998 INFO L87 Difference]: Start difference. First operand 11998 states and 20066 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:51,630 INFO L93 Difference]: Finished difference Result 26349 states and 44090 transitions. [2022-10-15 21:59:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:51,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-15 21:59:51,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:51,679 INFO L225 Difference]: With dead ends: 26349 [2022-10-15 21:59:51,679 INFO L226 Difference]: Without dead ends: 18488 [2022-10-15 21:59:51,695 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 [2022-10-15 21:59:51,697 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 273 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1410 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 [2022-10-15 21:59:51,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1410 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:51,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18488 states. [2022-10-15 21:59:52,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18488 to 18450. [2022-10-15 21:59:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18450 states, 18412 states have (on average 1.6757549424288507) internal successors, (30854), 18449 states have internal predecessors, (30854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18450 states to 18450 states and 30854 transitions. [2022-10-15 21:59:52,508 INFO L78 Accepts]: Start accepts. Automaton has 18450 states and 30854 transitions. Word has length 135 [2022-10-15 21:59:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:52,509 INFO L495 AbstractCegarLoop]: Abstraction has 18450 states and 30854 transitions. [2022-10-15 21:59:52,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 18450 states and 30854 transitions. [2022-10-15 21:59:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 21:59:52,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:52,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:52,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:59:52,512 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:52,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1638640024, now seen corresponding path program 1 times [2022-10-15 21:59:52,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:52,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041947947] [2022-10-15 21:59:52,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:52,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:52,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041947947] [2022-10-15 21:59:52,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041947947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:52,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:52,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:59:52,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626386509] [2022-10-15 21:59:52,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:52,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:59:52,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:52,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:59:52,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:59:52,872 INFO L87 Difference]: Start difference. First operand 18450 states and 30854 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:54,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:54,300 INFO L93 Difference]: Finished difference Result 25159 states and 42070 transitions. [2022-10-15 21:59:54,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:59:54,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-15 21:59:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:54,372 INFO L225 Difference]: With dead ends: 25159 [2022-10-15 21:59:54,372 INFO L226 Difference]: Without dead ends: 25156 [2022-10-15 21:59:54,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:59:54,382 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 2835 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 3352 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:59:54,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 3352 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:59:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25156 states. [2022-10-15 21:59:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25156 to 25014. [2022-10-15 21:59:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25014 states, 24976 states have (on average 1.6707238949391416) internal successors, (41728), 25013 states have internal predecessors, (41728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25014 states to 25014 states and 41728 transitions. [2022-10-15 21:59:55,313 INFO L78 Accepts]: Start accepts. Automaton has 25014 states and 41728 transitions. Word has length 135 [2022-10-15 21:59:55,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:55,314 INFO L495 AbstractCegarLoop]: Abstraction has 25014 states and 41728 transitions. [2022-10-15 21:59:55,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 25014 states and 41728 transitions. [2022-10-15 21:59:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 21:59:55,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:55,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:55,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:59:55,318 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:55,319 INFO L85 PathProgramCache]: Analyzing trace with hash -871344190, now seen corresponding path program 1 times [2022-10-15 21:59:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:55,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863109493] [2022-10-15 21:59:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:55,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:55,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863109493] [2022-10-15 21:59:55,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863109493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:55,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:55,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915389644] [2022-10-15 21:59:55,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:55,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:59:55,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:59:55,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:59:55,437 INFO L87 Difference]: Start difference. First operand 25014 states and 41728 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:59:56,800 INFO L93 Difference]: Finished difference Result 54538 states and 91642 transitions. [2022-10-15 21:59:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:59:56,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-15 21:59:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:59:56,946 INFO L225 Difference]: With dead ends: 54538 [2022-10-15 21:59:56,947 INFO L226 Difference]: Without dead ends: 38300 [2022-10-15 21:59:56,980 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 [2022-10-15 21:59:56,981 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 280 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1422 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 [2022-10-15 21:59:56,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1422 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:59:57,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38300 states. [2022-10-15 21:59:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38300 to 38262. [2022-10-15 21:59:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38262 states, 38224 states have (on average 1.6760673922143157) internal successors, (64066), 38261 states have internal predecessors, (64066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38262 states to 38262 states and 64066 transitions. [2022-10-15 21:59:58,690 INFO L78 Accepts]: Start accepts. Automaton has 38262 states and 64066 transitions. Word has length 135 [2022-10-15 21:59:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:59:58,690 INFO L495 AbstractCegarLoop]: Abstraction has 38262 states and 64066 transitions. [2022-10-15 21:59:58,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:59:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38262 states and 64066 transitions. [2022-10-15 21:59:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-15 21:59:58,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:59:58,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:59:58,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:59:58,695 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:59:58,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:59:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1519883494, now seen corresponding path program 1 times [2022-10-15 21:59:58,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:59:58,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260260898] [2022-10-15 21:59:58,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:59:58,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:59:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:59:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:59:58,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:59:58,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260260898] [2022-10-15 21:59:58,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260260898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:59:58,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:59:58,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:59:58,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006999606] [2022-10-15 21:59:58,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:59:58,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:59:58,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:59:58,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:59:58,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:59:58,897 INFO L87 Difference]: Start difference. First operand 38262 states and 64066 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:01,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:01,201 INFO L93 Difference]: Finished difference Result 105934 states and 177535 transitions. [2022-10-15 22:00:01,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:00:01,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-15 22:00:01,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:01,452 INFO L225 Difference]: With dead ends: 105934 [2022-10-15 22:00:01,452 INFO L226 Difference]: Without dead ends: 67886 [2022-10-15 22:00:01,661 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 [2022-10-15 22:00:01,661 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 878 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:00:01,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1854 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:00:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67886 states. [2022-10-15 22:00:03,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67886 to 57954. [2022-10-15 22:00:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57954 states, 57916 states have (on average 1.6673803439464052) internal successors, (96568), 57953 states have internal predecessors, (96568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57954 states to 57954 states and 96568 transitions. [2022-10-15 22:00:04,255 INFO L78 Accepts]: Start accepts. Automaton has 57954 states and 96568 transitions. Word has length 137 [2022-10-15 22:00:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:04,255 INFO L495 AbstractCegarLoop]: Abstraction has 57954 states and 96568 transitions. [2022-10-15 22:00:04,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 57954 states and 96568 transitions. [2022-10-15 22:00:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-15 22:00:04,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:04,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:00:04,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:00:04,259 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:00:04,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:04,259 INFO L85 PathProgramCache]: Analyzing trace with hash -500467548, now seen corresponding path program 1 times [2022-10-15 22:00:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:04,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297361526] [2022-10-15 22:00:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:00:04,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:04,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297361526] [2022-10-15 22:00:04,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297361526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:04,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:04,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:00:04,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626305523] [2022-10-15 22:00:04,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:04,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:00:04,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:04,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:00:04,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:00:04,369 INFO L87 Difference]: Start difference. First operand 57954 states and 96568 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:06,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:06,808 INFO L93 Difference]: Finished difference Result 130024 states and 216459 transitions. [2022-10-15 22:00:06,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:00:06,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-10-15 22:00:06,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:07,089 INFO L225 Difference]: With dead ends: 130024 [2022-10-15 22:00:07,089 INFO L226 Difference]: Without dead ends: 90068 [2022-10-15 22:00:07,174 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 [2022-10-15 22:00:07,175 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 266 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1408 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 [2022-10-15 22:00:07,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1408 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:00:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90068 states. [2022-10-15 22:00:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90068 to 90030. [2022-10-15 22:00:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90030 states, 89992 states have (on average 1.6617143746110765) internal successors, (149541), 90029 states have internal predecessors, (149541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90030 states to 90030 states and 149541 transitions. [2022-10-15 22:00:10,621 INFO L78 Accepts]: Start accepts. Automaton has 90030 states and 149541 transitions. Word has length 137 [2022-10-15 22:00:10,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:10,621 INFO L495 AbstractCegarLoop]: Abstraction has 90030 states and 149541 transitions. [2022-10-15 22:00:10,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 90030 states and 149541 transitions. [2022-10-15 22:00:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 22:00:10,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:10,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:00:10,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:00:10,624 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:00:10,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash 128253542, now seen corresponding path program 1 times [2022-10-15 22:00:10,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:10,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903750425] [2022-10-15 22:00:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:10,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:00:10,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:10,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903750425] [2022-10-15 22:00:10,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903750425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:10,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:10,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:00:10,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323495408] [2022-10-15 22:00:10,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:10,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:00:10,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:00:10,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:00:10,781 INFO L87 Difference]: Start difference. First operand 90030 states and 149541 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:13,910 INFO L93 Difference]: Finished difference Result 119053 states and 199189 transitions. [2022-10-15 22:00:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:00:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-10-15 22:00:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:14,158 INFO L225 Difference]: With dead ends: 119053 [2022-10-15 22:00:14,158 INFO L226 Difference]: Without dead ends: 119052 [2022-10-15 22:00:14,186 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 [2022-10-15 22:00:14,187 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 877 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:00:14,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1363 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:00:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119052 states. [2022-10-15 22:00:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119052 to 118902. [2022-10-15 22:00:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118902 states, 118864 states have (on average 1.6677715708709113) internal successors, (198238), 118901 states have internal predecessors, (198238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118902 states to 118902 states and 198238 transitions. [2022-10-15 22:00:18,574 INFO L78 Accepts]: Start accepts. Automaton has 118902 states and 198238 transitions. Word has length 138 [2022-10-15 22:00:18,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:00:18,575 INFO L495 AbstractCegarLoop]: Abstraction has 118902 states and 198238 transitions. [2022-10-15 22:00:18,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118902 states and 198238 transitions. [2022-10-15 22:00:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-15 22:00:18,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:00:18,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:00:18,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:00:18,588 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:00:18,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:00:18,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2098437809, now seen corresponding path program 1 times [2022-10-15 22:00:18,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:00:18,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831992576] [2022-10-15 22:00:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:00:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:00:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:00:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:00:18,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:00:18,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831992576] [2022-10-15 22:00:18,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831992576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:00:18,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:00:18,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:00:18,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046036893] [2022-10-15 22:00:18,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:00:18,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:00:18,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:00:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:00:18,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:00:18,702 INFO L87 Difference]: Start difference. First operand 118902 states and 198238 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:00:22,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:00:22,818 INFO L93 Difference]: Finished difference Result 234918 states and 392074 transitions. [2022-10-15 22:00:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:00:22,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2022-10-15 22:00:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:00:23,170 INFO L225 Difference]: With dead ends: 234918 [2022-10-15 22:00:23,170 INFO L226 Difference]: Without dead ends: 169945 [2022-10-15 22:00:23,250 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 [2022-10-15 22:00:23,251 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 257 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1382 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 [2022-10-15 22:00:23,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1382 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:00:23,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169945 states.