/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:21:12,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:21:12,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:21:12,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:21:12,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:21:12,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:21:12,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:21:12,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:21:12,991 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:21:12,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:21:12,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:21:12,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:21:12,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:21:12,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:21:12,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:21:12,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:21:12,997 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:21:12,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:21:12,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:21:12,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:21:13,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:21:13,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:21:13,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:21:13,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:21:13,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:21:13,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:21:13,001 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:21:13,002 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:21:13,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:21:13,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:21:13,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:21:13,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:21:13,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:21:13,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:21:13,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:21:13,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:21:13,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:21:13,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:21:13,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:21:13,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:21:13,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:21:13,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:21:13,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:21:13,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:21:13,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:21:13,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:21:13,431 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:21:13,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-10-16 15:21:13,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2d0b7f9/d0d556f37eb04983a47843d82678f29d/FLAGc49b90e11 [2022-10-16 15:21:14,145 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:21:14,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-10-16 15:21:14,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2d0b7f9/d0d556f37eb04983a47843d82678f29d/FLAGc49b90e11 [2022-10-16 15:21:14,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2d0b7f9/d0d556f37eb04983a47843d82678f29d [2022-10-16 15:21:14,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:21:14,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:21:14,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:21:14,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:21:14,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:21:14,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:14" (1/1) ... [2022-10-16 15:21:14,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc5b6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:14, skipping insertion in model container [2022-10-16 15:21:14,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:14" (1/1) ... [2022-10-16 15:21:14,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:21:14,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:21:14,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c[12747,12760] [2022-10-16 15:21:14,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:21:14,973 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:21:15,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c[12747,12760] [2022-10-16 15:21:15,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:21:15,084 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:21:15,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15 WrapperNode [2022-10-16 15:21:15,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:21:15,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:21:15,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:21:15,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:21:15,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,185 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2022-10-16 15:21:15,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:21:15,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:21:15,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:21:15,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:21:15,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:21:15,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:21:15,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:21:15,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:21:15,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (1/1) ... [2022-10-16 15:21:15,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:21:15,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:21:15,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:21:15,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:21:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:21:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:21:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:21:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:21:15,493 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:21:15,496 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:21:16,290 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:21:16,302 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:21:16,303 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:21:16,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:21:16 BoogieIcfgContainer [2022-10-16 15:21:16,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:21:16,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:21:16,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:21:16,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:21:16,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:21:14" (1/3) ... [2022-10-16 15:21:16,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10782604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:21:16, skipping insertion in model container [2022-10-16 15:21:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:15" (2/3) ... [2022-10-16 15:21:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10782604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:21:16, skipping insertion in model container [2022-10-16 15:21:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:21:16" (3/3) ... [2022-10-16 15:21:16,316 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-10-16 15:21:16,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:21:16,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:21:16,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:21:16,409 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;@51a6e27f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:21:16,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:21:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 169 states have (on average 1.7928994082840237) internal successors, (303), 203 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:21:16,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:16,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:16,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:16,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:16,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1257816596, now seen corresponding path program 1 times [2022-10-16 15:21:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:16,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368756121] [2022-10-16 15:21:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:16,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:16,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368756121] [2022-10-16 15:21:16,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368756121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:16,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:16,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:21:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059289181] [2022-10-16 15:21:16,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:16,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:21:16,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:16,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:21:16,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:21:16,742 INFO L87 Difference]: Start difference. First operand has 204 states, 169 states have (on average 1.7928994082840237) internal successors, (303), 203 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:16,784 INFO L93 Difference]: Finished difference Result 355 states and 510 transitions. [2022-10-16 15:21:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:21:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:21:16,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:16,800 INFO L225 Difference]: With dead ends: 355 [2022-10-16 15:21:16,801 INFO L226 Difference]: Without dead ends: 199 [2022-10-16 15:21:16,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:21:16,810 INFO L413 NwaCegarLoop]: 300 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, 300 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:16,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-10-16 15:21:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-10-16 15:21:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 165 states have (on average 1.7878787878787878) internal successors, (295), 198 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:16,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 295 transitions. [2022-10-16 15:21:16,865 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 295 transitions. Word has length 22 [2022-10-16 15:21:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:16,866 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 295 transitions. [2022-10-16 15:21:16,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 295 transitions. [2022-10-16 15:21:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:21:16,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:16,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:16,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:21:16,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:16,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:16,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1255969554, now seen corresponding path program 1 times [2022-10-16 15:21:16,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:16,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25309575] [2022-10-16 15:21:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:17,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:17,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25309575] [2022-10-16 15:21:17,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25309575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:17,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:17,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:21:17,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567435811] [2022-10-16 15:21:17,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:17,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:21:17,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:17,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:21:17,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:17,196 INFO L87 Difference]: Start difference. First operand 199 states and 295 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,334 INFO L93 Difference]: Finished difference Result 493 states and 697 transitions. [2022-10-16 15:21:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:21:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:21:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:17,342 INFO L225 Difference]: With dead ends: 493 [2022-10-16 15:21:17,342 INFO L226 Difference]: Without dead ends: 344 [2022-10-16 15:21:17,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:21:17,347 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 201 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:17,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1134 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-10-16 15:21:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 199. [2022-10-16 15:21:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 165 states have (on average 1.6424242424242423) internal successors, (271), 198 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 271 transitions. [2022-10-16 15:21:17,374 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 271 transitions. Word has length 22 [2022-10-16 15:21:17,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:17,374 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 271 transitions. [2022-10-16 15:21:17,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 271 transitions. [2022-10-16 15:21:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 15:21:17,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:17,379 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] [2022-10-16 15:21:17,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:21:17,379 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:17,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash -355716595, now seen corresponding path program 1 times [2022-10-16 15:21:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:17,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775245180] [2022-10-16 15:21:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:17,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:17,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775245180] [2022-10-16 15:21:17,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775245180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:17,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:17,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984086863] [2022-10-16 15:21:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:17,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:17,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:17,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,507 INFO L87 Difference]: Start difference. First operand 199 states and 271 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,544 INFO L93 Difference]: Finished difference Result 467 states and 634 transitions. [2022-10-16 15:21:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:17,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 15:21:17,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:17,550 INFO L225 Difference]: With dead ends: 467 [2022-10-16 15:21:17,550 INFO L226 Difference]: Without dead ends: 322 [2022-10-16 15:21:17,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,560 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 178 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:17,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 670 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-10-16 15:21:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 290. [2022-10-16 15:21:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 256 states have (on average 1.6953125) internal successors, (434), 289 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 434 transitions. [2022-10-16 15:21:17,606 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 434 transitions. Word has length 45 [2022-10-16 15:21:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:17,611 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 434 transitions. [2022-10-16 15:21:17,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 434 transitions. [2022-10-16 15:21:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:21:17,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:17,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:17,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:21:17,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1231617157, now seen corresponding path program 1 times [2022-10-16 15:21:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:17,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648445216] [2022-10-16 15:21:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:17,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:17,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648445216] [2022-10-16 15:21:17,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648445216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:17,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:17,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873673375] [2022-10-16 15:21:17,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:17,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:17,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:17,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:17,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,720 INFO L87 Difference]: Start difference. First operand 290 states and 434 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,777 INFO L93 Difference]: Finished difference Result 645 states and 963 transitions. [2022-10-16 15:21:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:17,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 15:21:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:17,780 INFO L225 Difference]: With dead ends: 645 [2022-10-16 15:21:17,780 INFO L226 Difference]: Without dead ends: 409 [2022-10-16 15:21:17,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,783 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 156 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:17,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 494 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:17,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-10-16 15:21:17,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 384. [2022-10-16 15:21:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 350 states have (on average 1.6942857142857144) internal successors, (593), 383 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 593 transitions. [2022-10-16 15:21:17,801 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 593 transitions. Word has length 49 [2022-10-16 15:21:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:17,802 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 593 transitions. [2022-10-16 15:21:17,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 593 transitions. [2022-10-16 15:21:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:21:17,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:17,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:17,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:21:17,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:17,805 INFO L85 PathProgramCache]: Analyzing trace with hash -8181562, now seen corresponding path program 1 times [2022-10-16 15:21:17,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:17,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027150608] [2022-10-16 15:21:17,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:17,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:17,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:17,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027150608] [2022-10-16 15:21:17,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027150608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:17,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:17,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:17,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001673543] [2022-10-16 15:21:17,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:17,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:17,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:17,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:17,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,898 INFO L87 Difference]: Start difference. First operand 384 states and 593 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,933 INFO L93 Difference]: Finished difference Result 978 states and 1526 transitions. [2022-10-16 15:21:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:17,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 15:21:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:17,938 INFO L225 Difference]: With dead ends: 978 [2022-10-16 15:21:17,938 INFO L226 Difference]: Without dead ends: 650 [2022-10-16 15:21:17,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:17,940 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 172 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:17,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 653 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-10-16 15:21:17,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 618. [2022-10-16 15:21:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 584 states have (on average 1.7191780821917808) internal successors, (1004), 617 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 1004 transitions. [2022-10-16 15:21:17,982 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 1004 transitions. Word has length 51 [2022-10-16 15:21:17,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:17,983 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 1004 transitions. [2022-10-16 15:21:17,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1004 transitions. [2022-10-16 15:21:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:21:17,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:17,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:17,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:21:17,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:17,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash 356423028, now seen corresponding path program 1 times [2022-10-16 15:21:17,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:17,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790203463] [2022-10-16 15:21:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:18,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:18,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790203463] [2022-10-16 15:21:18,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790203463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:18,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:18,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:18,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728807737] [2022-10-16 15:21:18,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:18,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:18,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:18,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:18,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,126 INFO L87 Difference]: Start difference. First operand 618 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:18,172 INFO L93 Difference]: Finished difference Result 1494 states and 2429 transitions. [2022-10-16 15:21:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:18,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 15:21:18,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:18,178 INFO L225 Difference]: With dead ends: 1494 [2022-10-16 15:21:18,179 INFO L226 Difference]: Without dead ends: 932 [2022-10-16 15:21:18,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,181 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 174 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:18,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 507 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:18,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-10-16 15:21:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 897. [2022-10-16 15:21:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 863 states have (on average 1.7230590961761298) internal successors, (1487), 896 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1487 transitions. [2022-10-16 15:21:18,216 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1487 transitions. Word has length 55 [2022-10-16 15:21:18,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:18,217 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1487 transitions. [2022-10-16 15:21:18,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1487 transitions. [2022-10-16 15:21:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:21:18,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:18,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:18,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:21:18,219 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:18,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1385049183, now seen corresponding path program 1 times [2022-10-16 15:21:18,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:18,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566001393] [2022-10-16 15:21:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:18,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:18,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:18,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566001393] [2022-10-16 15:21:18,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566001393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:18,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:18,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:18,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915260560] [2022-10-16 15:21:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:18,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:18,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,296 INFO L87 Difference]: Start difference. First operand 897 states and 1487 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:18,354 INFO L93 Difference]: Finished difference Result 2373 states and 3962 transitions. [2022-10-16 15:21:18,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:18,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 15:21:18,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:18,364 INFO L225 Difference]: With dead ends: 2373 [2022-10-16 15:21:18,364 INFO L226 Difference]: Without dead ends: 1544 [2022-10-16 15:21:18,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,367 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:18,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 636 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2022-10-16 15:21:18,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1512. [2022-10-16 15:21:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1478 states have (on average 1.7307171853856562) internal successors, (2558), 1511 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2558 transitions. [2022-10-16 15:21:18,432 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2558 transitions. Word has length 57 [2022-10-16 15:21:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:18,432 INFO L495 AbstractCegarLoop]: Abstraction has 1512 states and 2558 transitions. [2022-10-16 15:21:18,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2558 transitions. [2022-10-16 15:21:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:21:18,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:18,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:18,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:21:18,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:18,435 INFO L85 PathProgramCache]: Analyzing trace with hash 293146243, now seen corresponding path program 1 times [2022-10-16 15:21:18,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:18,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035000582] [2022-10-16 15:21:18,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:18,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:18,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:18,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035000582] [2022-10-16 15:21:18,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035000582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:18,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:18,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111538234] [2022-10-16 15:21:18,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:18,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:18,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,518 INFO L87 Difference]: Start difference. First operand 1512 states and 2558 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:18,618 INFO L93 Difference]: Finished difference Result 3723 states and 6311 transitions. [2022-10-16 15:21:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:21:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:18,631 INFO L225 Difference]: With dead ends: 3723 [2022-10-16 15:21:18,632 INFO L226 Difference]: Without dead ends: 2279 [2022-10-16 15:21:18,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,635 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 168 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:18,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 508 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2022-10-16 15:21:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2238. [2022-10-16 15:21:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 2204 states have (on average 1.7282214156079856) internal successors, (3809), 2237 states have internal predecessors, (3809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3809 transitions. [2022-10-16 15:21:18,735 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3809 transitions. Word has length 60 [2022-10-16 15:21:18,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:18,736 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 3809 transitions. [2022-10-16 15:21:18,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3809 transitions. [2022-10-16 15:21:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:21:18,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:18,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:18,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:21:18,744 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1373110424, now seen corresponding path program 1 times [2022-10-16 15:21:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:18,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752436997] [2022-10-16 15:21:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:18,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:18,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752436997] [2022-10-16 15:21:18,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752436997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:18,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:18,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:18,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237857844] [2022-10-16 15:21:18,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:18,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:18,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:18,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:18,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:18,915 INFO L87 Difference]: Start difference. First operand 2238 states and 3809 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:19,210 INFO L93 Difference]: Finished difference Result 5183 states and 8885 transitions. [2022-10-16 15:21:19,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:21:19,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:21:19,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:19,239 INFO L225 Difference]: With dead ends: 5183 [2022-10-16 15:21:19,239 INFO L226 Difference]: Without dead ends: 5180 [2022-10-16 15:21:19,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:19,247 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 583 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 722 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5180 states. [2022-10-16 15:21:19,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5180 to 4142. [2022-10-16 15:21:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 4108 states have (on average 1.7217624148003894) internal successors, (7073), 4141 states have internal predecessors, (7073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 7073 transitions. [2022-10-16 15:21:19,461 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 7073 transitions. Word has length 62 [2022-10-16 15:21:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:19,461 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 7073 transitions. [2022-10-16 15:21:19,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 7073 transitions. [2022-10-16 15:21:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:21:19,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:19,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:19,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:21:19,463 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash -383249224, now seen corresponding path program 1 times [2022-10-16 15:21:19,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:19,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908287735] [2022-10-16 15:21:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:19,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:19,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:19,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908287735] [2022-10-16 15:21:19,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908287735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:19,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:19,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:19,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796966037] [2022-10-16 15:21:19,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:19,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:19,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:19,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:19,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:19,548 INFO L87 Difference]: Start difference. First operand 4142 states and 7073 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:19,851 INFO L93 Difference]: Finished difference Result 5149 states and 8813 transitions. [2022-10-16 15:21:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:21:19,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:21:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:19,878 INFO L225 Difference]: With dead ends: 5149 [2022-10-16 15:21:19,878 INFO L226 Difference]: Without dead ends: 5146 [2022-10-16 15:21:19,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:19,881 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 580 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:19,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 492 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:19,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2022-10-16 15:21:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5118. [2022-10-16 15:21:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5084 states have (on average 1.709874114870181) internal successors, (8693), 5117 states have internal predecessors, (8693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 8693 transitions. [2022-10-16 15:21:20,112 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 8693 transitions. Word has length 63 [2022-10-16 15:21:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:20,113 INFO L495 AbstractCegarLoop]: Abstraction has 5118 states and 8693 transitions. [2022-10-16 15:21:20,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 8693 transitions. [2022-10-16 15:21:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:21:20,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:20,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:20,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:21:20,114 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:20,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1004176538, now seen corresponding path program 1 times [2022-10-16 15:21:20,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:20,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747565498] [2022-10-16 15:21:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:20,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747565498] [2022-10-16 15:21:20,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747565498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:20,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:20,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:21:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678907219] [2022-10-16 15:21:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:20,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:21:20,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:21:20,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:20,219 INFO L87 Difference]: Start difference. First operand 5118 states and 8693 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:21,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:21,007 INFO L93 Difference]: Finished difference Result 16436 states and 27926 transitions. [2022-10-16 15:21:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:21:21,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 15:21:21,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:21,074 INFO L225 Difference]: With dead ends: 16436 [2022-10-16 15:21:21,074 INFO L226 Difference]: Without dead ends: 11398 [2022-10-16 15:21:21,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:21:21,083 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1157 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:21,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1551 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:21:21,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2022-10-16 15:21:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 9312. [2022-10-16 15:21:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9312 states, 9278 states have (on average 1.6867859452468204) internal successors, (15650), 9311 states have internal predecessors, (15650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9312 states to 9312 states and 15650 transitions. [2022-10-16 15:21:21,553 INFO L78 Accepts]: Start accepts. Automaton has 9312 states and 15650 transitions. Word has length 64 [2022-10-16 15:21:21,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:21,553 INFO L495 AbstractCegarLoop]: Abstraction has 9312 states and 15650 transitions. [2022-10-16 15:21:21,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9312 states and 15650 transitions. [2022-10-16 15:21:21,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:21:21,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:21,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:21,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:21:21,555 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:21,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:21,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1064702202, now seen corresponding path program 1 times [2022-10-16 15:21:21,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:21,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258643873] [2022-10-16 15:21:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:21,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:21,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258643873] [2022-10-16 15:21:21,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258643873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:21,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:21,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:21:21,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293492503] [2022-10-16 15:21:21,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:21,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:21:21,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:21,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:21:21,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:21,655 INFO L87 Difference]: Start difference. First operand 9312 states and 15650 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:22,310 INFO L93 Difference]: Finished difference Result 12225 states and 20600 transitions. [2022-10-16 15:21:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:21:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:21:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:22,344 INFO L225 Difference]: With dead ends: 12225 [2022-10-16 15:21:22,344 INFO L226 Difference]: Without dead ends: 12222 [2022-10-16 15:21:22,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:22,350 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 1272 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:22,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 860 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:21:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12222 states. [2022-10-16 15:21:22,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12222 to 12144. [2022-10-16 15:21:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12144 states, 12110 states have (on average 1.674318744838976) internal successors, (20276), 12143 states have internal predecessors, (20276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12144 states to 12144 states and 20276 transitions. [2022-10-16 15:21:22,884 INFO L78 Accepts]: Start accepts. Automaton has 12144 states and 20276 transitions. Word has length 65 [2022-10-16 15:21:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:22,884 INFO L495 AbstractCegarLoop]: Abstraction has 12144 states and 20276 transitions. [2022-10-16 15:21:22,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12144 states and 20276 transitions. [2022-10-16 15:21:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:21:22,886 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:22,886 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] [2022-10-16 15:21:22,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:21:22,887 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:22,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:22,887 INFO L85 PathProgramCache]: Analyzing trace with hash 976618844, now seen corresponding path program 1 times [2022-10-16 15:21:22,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:22,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077094105] [2022-10-16 15:21:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:22,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:23,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:23,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077094105] [2022-10-16 15:21:23,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077094105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:23,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:23,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:23,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300955771] [2022-10-16 15:21:23,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:23,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:23,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:23,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:23,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:23,060 INFO L87 Difference]: Start difference. First operand 12144 states and 20276 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:23,861 INFO L93 Difference]: Finished difference Result 32570 states and 54392 transitions. [2022-10-16 15:21:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:21:23,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 15:21:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:23,919 INFO L225 Difference]: With dead ends: 32570 [2022-10-16 15:21:23,919 INFO L226 Difference]: Without dead ends: 20506 [2022-10-16 15:21:23,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:23,940 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 568 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:23,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 783 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:21:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20506 states. [2022-10-16 15:21:24,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20506 to 17485. [2022-10-16 15:21:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17485 states, 17451 states have (on average 1.6607644261073864) internal successors, (28982), 17484 states have internal predecessors, (28982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17485 states to 17485 states and 28982 transitions. [2022-10-16 15:21:24,922 INFO L78 Accepts]: Start accepts. Automaton has 17485 states and 28982 transitions. Word has length 67 [2022-10-16 15:21:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:24,923 INFO L495 AbstractCegarLoop]: Abstraction has 17485 states and 28982 transitions. [2022-10-16 15:21:24,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17485 states and 28982 transitions. [2022-10-16 15:21:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:21:24,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:24,924 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] [2022-10-16 15:21:24,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:21:24,925 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:24,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:24,925 INFO L85 PathProgramCache]: Analyzing trace with hash 210413695, now seen corresponding path program 1 times [2022-10-16 15:21:24,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:24,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743112712] [2022-10-16 15:21:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:24,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:25,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:25,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743112712] [2022-10-16 15:21:25,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743112712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:25,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:25,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:25,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561517085] [2022-10-16 15:21:25,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:25,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:25,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:25,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:25,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:25,011 INFO L87 Difference]: Start difference. First operand 17485 states and 28982 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:25,856 INFO L93 Difference]: Finished difference Result 24856 states and 41594 transitions. [2022-10-16 15:21:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:21:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:21:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:25,923 INFO L225 Difference]: With dead ends: 24856 [2022-10-16 15:21:25,923 INFO L226 Difference]: Without dead ends: 24855 [2022-10-16 15:21:25,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:25,933 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 564 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:25,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 470 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:25,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24855 states. [2022-10-16 15:21:27,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24855 to 24778. [2022-10-16 15:21:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24778 states, 24744 states have (on average 1.668485289363078) internal successors, (41285), 24777 states have internal predecessors, (41285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24778 states to 24778 states and 41285 transitions. [2022-10-16 15:21:27,269 INFO L78 Accepts]: Start accepts. Automaton has 24778 states and 41285 transitions. Word has length 68 [2022-10-16 15:21:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:27,270 INFO L495 AbstractCegarLoop]: Abstraction has 24778 states and 41285 transitions. [2022-10-16 15:21:27,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 24778 states and 41285 transitions. [2022-10-16 15:21:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:21:27,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:27,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:27,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:21:27,272 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:27,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:27,273 INFO L85 PathProgramCache]: Analyzing trace with hash 344117377, now seen corresponding path program 1 times [2022-10-16 15:21:27,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:27,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794352247] [2022-10-16 15:21:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:27,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:27,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794352247] [2022-10-16 15:21:27,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794352247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:27,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:27,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117067645] [2022-10-16 15:21:27,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:27,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:27,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:27,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:27,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:27,469 INFO L87 Difference]: Start difference. First operand 24778 states and 41285 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:28,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:28,764 INFO L93 Difference]: Finished difference Result 65146 states and 108938 transitions. [2022-10-16 15:21:28,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:21:28,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:21:28,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:28,844 INFO L225 Difference]: With dead ends: 65146 [2022-10-16 15:21:28,844 INFO L226 Difference]: Without dead ends: 40448 [2022-10-16 15:21:28,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:28,880 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 574 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:28,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 781 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:21:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40448 states. [2022-10-16 15:21:30,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40448 to 34483. [2022-10-16 15:21:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34483 states, 34449 states have (on average 1.659583732474092) internal successors, (57171), 34482 states have internal predecessors, (57171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34483 states to 34483 states and 57171 transitions. [2022-10-16 15:21:30,311 INFO L78 Accepts]: Start accepts. Automaton has 34483 states and 57171 transitions. Word has length 70 [2022-10-16 15:21:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:30,311 INFO L495 AbstractCegarLoop]: Abstraction has 34483 states and 57171 transitions. [2022-10-16 15:21:30,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:30,312 INFO L276 IsEmpty]: Start isEmpty. Operand 34483 states and 57171 transitions. [2022-10-16 15:21:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:21:30,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:30,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:30,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:21:30,313 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:30,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:30,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2077704705, now seen corresponding path program 1 times [2022-10-16 15:21:30,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:30,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463422366] [2022-10-16 15:21:30,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:30,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:30,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463422366] [2022-10-16 15:21:30,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463422366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:30,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:30,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:30,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917912574] [2022-10-16 15:21:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:30,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:30,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:30,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:30,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:30,413 INFO L87 Difference]: Start difference. First operand 34483 states and 57171 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:31,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:31,780 INFO L93 Difference]: Finished difference Result 50308 states and 83889 transitions. [2022-10-16 15:21:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:21:31,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:21:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:31,861 INFO L225 Difference]: With dead ends: 50308 [2022-10-16 15:21:31,861 INFO L226 Difference]: Without dead ends: 50307 [2022-10-16 15:21:31,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:31,875 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 563 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:31,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 469 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:31,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50307 states. [2022-10-16 15:21:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50307 to 50176. [2022-10-16 15:21:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50176 states, 50142 states have (on average 1.6604842248015637) internal successors, (83260), 50175 states have internal predecessors, (83260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50176 states to 50176 states and 83260 transitions. [2022-10-16 15:21:33,884 INFO L78 Accepts]: Start accepts. Automaton has 50176 states and 83260 transitions. Word has length 71 [2022-10-16 15:21:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:33,884 INFO L495 AbstractCegarLoop]: Abstraction has 50176 states and 83260 transitions. [2022-10-16 15:21:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 50176 states and 83260 transitions. [2022-10-16 15:21:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:21:33,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:33,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:33,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:21:33,886 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:33,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash -485551517, now seen corresponding path program 1 times [2022-10-16 15:21:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:33,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328046211] [2022-10-16 15:21:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:33,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:33,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328046211] [2022-10-16 15:21:33,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328046211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:33,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:33,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:33,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427384624] [2022-10-16 15:21:33,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:33,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:33,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:33,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:33,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:33,969 INFO L87 Difference]: Start difference. First operand 50176 states and 83260 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:37,152 INFO L93 Difference]: Finished difference Result 161670 states and 269010 transitions. [2022-10-16 15:21:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:21:37,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:21:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:37,355 INFO L225 Difference]: With dead ends: 161670 [2022-10-16 15:21:37,356 INFO L226 Difference]: Without dead ends: 111574 [2022-10-16 15:21:37,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:37,416 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 570 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:37,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 848 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:37,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111574 states. [2022-10-16 15:21:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111574 to 80649. [2022-10-16 15:21:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80649 states, 80615 states have (on average 1.6500155057991688) internal successors, (133016), 80648 states have internal predecessors, (133016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80649 states to 80649 states and 133016 transitions. [2022-10-16 15:21:40,964 INFO L78 Accepts]: Start accepts. Automaton has 80649 states and 133016 transitions. Word has length 73 [2022-10-16 15:21:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:40,965 INFO L495 AbstractCegarLoop]: Abstraction has 80649 states and 133016 transitions. [2022-10-16 15:21:40,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 80649 states and 133016 transitions. [2022-10-16 15:21:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:21:40,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:40,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:40,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:21:40,966 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:40,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2127772774, now seen corresponding path program 1 times [2022-10-16 15:21:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:40,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232058618] [2022-10-16 15:21:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:41,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:41,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232058618] [2022-10-16 15:21:41,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232058618] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:41,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:41,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916147473] [2022-10-16 15:21:41,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:41,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:41,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:41,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:41,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:41,050 INFO L87 Difference]: Start difference. First operand 80649 states and 133016 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:44,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:44,317 INFO L93 Difference]: Finished difference Result 115218 states and 190516 transitions. [2022-10-16 15:21:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:21:44,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:21:44,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:44,515 INFO L225 Difference]: With dead ends: 115218 [2022-10-16 15:21:44,515 INFO L226 Difference]: Without dead ends: 115217 [2022-10-16 15:21:44,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:44,552 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 566 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:44,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 511 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:44,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115217 states. [2022-10-16 15:21:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115217 to 114967. [2022-10-16 15:21:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114967 states, 114933 states have (on average 1.6450018706550773) internal successors, (189065), 114966 states have internal predecessors, (189065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114967 states to 114967 states and 189065 transitions. [2022-10-16 15:21:49,189 INFO L78 Accepts]: Start accepts. Automaton has 114967 states and 189065 transitions. Word has length 74 [2022-10-16 15:21:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:49,189 INFO L495 AbstractCegarLoop]: Abstraction has 114967 states and 189065 transitions. [2022-10-16 15:21:49,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 114967 states and 189065 transitions. [2022-10-16 15:21:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:21:49,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:49,190 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] [2022-10-16 15:21:49,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:21:49,191 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:21:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1677866731, now seen corresponding path program 1 times [2022-10-16 15:21:49,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:49,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183004416] [2022-10-16 15:21:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:49,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:49,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183004416] [2022-10-16 15:21:49,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183004416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:49,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:49,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:49,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712161079] [2022-10-16 15:21:49,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:49,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:21:49,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:49,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:21:49,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:21:49,286 INFO L87 Difference]: Start difference. First operand 114967 states and 189065 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:57,181 INFO L93 Difference]: Finished difference Result 262459 states and 436105 transitions. [2022-10-16 15:21:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:21:57,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:21:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:57,870 INFO L225 Difference]: With dead ends: 262459 [2022-10-16 15:21:57,870 INFO L226 Difference]: Without dead ends: 262457 [2022-10-16 15:21:57,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:21:57,933 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 560 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:57,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 766 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:21:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262457 states. [2022-10-16 15:22:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262457 to 208371. [2022-10-16 15:22:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208371 states, 208337 states have (on average 1.6440286650954943) internal successors, (342512), 208370 states have internal predecessors, (342512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208371 states to 208371 states and 342512 transitions. [2022-10-16 15:22:07,174 INFO L78 Accepts]: Start accepts. Automaton has 208371 states and 342512 transitions. Word has length 84 [2022-10-16 15:22:07,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:07,175 INFO L495 AbstractCegarLoop]: Abstraction has 208371 states and 342512 transitions. [2022-10-16 15:22:07,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 208371 states and 342512 transitions. [2022-10-16 15:22:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 15:22:07,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:07,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:07,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:22:07,176 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:07,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:07,177 INFO L85 PathProgramCache]: Analyzing trace with hash -474260446, now seen corresponding path program 1 times [2022-10-16 15:22:07,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:07,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806412418] [2022-10-16 15:22:07,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:07,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:07,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806412418] [2022-10-16 15:22:07,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806412418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:07,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:07,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:07,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605213296] [2022-10-16 15:22:07,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:07,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:07,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:07,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:07,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:07,264 INFO L87 Difference]: Start difference. First operand 208371 states and 342512 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:15,768 INFO L93 Difference]: Finished difference Result 265959 states and 439376 transitions. [2022-10-16 15:22:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:15,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 15:22:15,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:16,291 INFO L225 Difference]: With dead ends: 265959 [2022-10-16 15:22:16,292 INFO L226 Difference]: Without dead ends: 265957 [2022-10-16 15:22:16,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:16,356 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 555 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:16,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 518 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:16,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265957 states. [2022-10-16 15:22:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265957 to 265927. [2022-10-16 15:22:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265927 states, 265893 states have (on average 1.636421417637922) internal successors, (435113), 265926 states have internal predecessors, (435113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265927 states to 265927 states and 435113 transitions. [2022-10-16 15:22:27,658 INFO L78 Accepts]: Start accepts. Automaton has 265927 states and 435113 transitions. Word has length 85 [2022-10-16 15:22:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:27,658 INFO L495 AbstractCegarLoop]: Abstraction has 265927 states and 435113 transitions. [2022-10-16 15:22:27,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 265927 states and 435113 transitions. [2022-10-16 15:22:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:22:27,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:27,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:22:27,660 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash 26027686, now seen corresponding path program 1 times [2022-10-16 15:22:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:27,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135898852] [2022-10-16 15:22:27,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:28,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:28,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135898852] [2022-10-16 15:22:28,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135898852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:28,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:28,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:22:28,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363048480] [2022-10-16 15:22:28,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:28,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:28,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:28,434 INFO L87 Difference]: Start difference. First operand 265927 states and 435113 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:38,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:38,541 INFO L93 Difference]: Finished difference Result 531802 states and 870116 transitions. [2022-10-16 15:22:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:38,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:22:38,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:39,339 INFO L225 Difference]: With dead ends: 531802 [2022-10-16 15:22:39,339 INFO L226 Difference]: Without dead ends: 265955 [2022-10-16 15:22:39,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:22:39,543 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 254 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:39,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 857 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:22:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265955 states. [2022-10-16 15:22:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265955 to 265927. [2022-10-16 15:22:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265927 states, 265893 states have (on average 1.6318669540002932) internal successors, (433902), 265926 states have internal predecessors, (433902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265927 states to 265927 states and 433902 transitions. [2022-10-16 15:22:51,284 INFO L78 Accepts]: Start accepts. Automaton has 265927 states and 433902 transitions. Word has length 86 [2022-10-16 15:22:51,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:51,285 INFO L495 AbstractCegarLoop]: Abstraction has 265927 states and 433902 transitions. [2022-10-16 15:22:51,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 265927 states and 433902 transitions. [2022-10-16 15:22:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:22:51,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:51,286 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] [2022-10-16 15:22:51,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:22:51,286 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1817171273, now seen corresponding path program 1 times [2022-10-16 15:22:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:51,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794884423] [2022-10-16 15:22:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:51,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:51,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794884423] [2022-10-16 15:22:51,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794884423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:51,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:51,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:22:51,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049188604] [2022-10-16 15:22:51,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:51,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:51,391 INFO L87 Difference]: Start difference. First operand 265927 states and 433902 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:14,569 INFO L93 Difference]: Finished difference Result 848583 states and 1391400 transitions. [2022-10-16 15:23:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:23:14,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 15:23:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:16,228 INFO L225 Difference]: With dead ends: 848583 [2022-10-16 15:23:16,228 INFO L226 Difference]: Without dead ends: 597671 [2022-10-16 15:23:16,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:23:16,549 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1196 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:16,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1587 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597671 states. [2022-10-16 15:23:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597671 to 489481. [2022-10-16 15:23:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489481 states, 489447 states have (on average 1.6167164166906733) internal successors, (791297), 489480 states have internal predecessors, (791297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489481 states to 489481 states and 791297 transitions. [2022-10-16 15:23:41,430 INFO L78 Accepts]: Start accepts. Automaton has 489481 states and 791297 transitions. Word has length 86 [2022-10-16 15:23:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:41,431 INFO L495 AbstractCegarLoop]: Abstraction has 489481 states and 791297 transitions. [2022-10-16 15:23:41,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 489481 states and 791297 transitions. [2022-10-16 15:23:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:23:41,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:41,432 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] [2022-10-16 15:23:41,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:23:41,432 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash -497733948, now seen corresponding path program 1 times [2022-10-16 15:23:41,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:41,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551882251] [2022-10-16 15:23:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:41,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:41,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551882251] [2022-10-16 15:23:41,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551882251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:41,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:41,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:23:41,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483447892] [2022-10-16 15:23:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:41,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:41,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:41,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:41,577 INFO L87 Difference]: Start difference. First operand 489481 states and 791297 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:03,966 INFO L93 Difference]: Finished difference Result 651556 states and 1058791 transitions. [2022-10-16 15:24:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:24:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 15:24:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:05,790 INFO L225 Difference]: With dead ends: 651556 [2022-10-16 15:24:05,790 INFO L226 Difference]: Without dead ends: 651554 [2022-10-16 15:24:06,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:24:06,003 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1181 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:06,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 960 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:24:06,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651554 states.