/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-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:04:59,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:04:59,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:04:59,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:04:59,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:04:59,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:04:59,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:04:59,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:04:59,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:04:59,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:04:59,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:04:59,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:04:59,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:04:59,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:04:59,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:04:59,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:04:59,883 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:04:59,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:04:59,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:04:59,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:04:59,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:04:59,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:04:59,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:04:59,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:04:59,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:04:59,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:04:59,886 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:04:59,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:04:59,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:04:59,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:04:59,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:04:59,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:04:59,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:04:59,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:04:59,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:59,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:04:59,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:04:59,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:04:59,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:04:59,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:04:59,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:04:59,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:05:00,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:05:00,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:05:00,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:05:00,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:05:00,297 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:05:00,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:00,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b364ee44/880a635a12964c71a38cf0d431874003/FLAG88abb94bf [2022-10-15 22:05:01,088 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:05:01,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:01,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b364ee44/880a635a12964c71a38cf0d431874003/FLAG88abb94bf [2022-10-15 22:05:01,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b364ee44/880a635a12964c71a38cf0d431874003 [2022-10-15 22:05:01,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:05:01,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:05:01,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:01,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:05:01,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:05:01,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:01,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec70188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01, skipping insertion in model container [2022-10-15 22:05:01,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:01,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:05:01,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:05:01,758 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-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2022-10-15 22:05:01,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:01,810 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:05:01,865 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-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2022-10-15 22:05:01,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:01,915 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:05:01,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01 WrapperNode [2022-10-15 22:05:01,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:01,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:01,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:05:01,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:05:01,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:01,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,020 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 622 [2022-10-15 22:05:02,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:02,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:05:02,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:05:02,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:05:02,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,063 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:05:02,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:05:02,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:05:02,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:05:02,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (1/1) ... [2022-10-15 22:05:02,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:05:02,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:05:02,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:05:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:05:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:05:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:05:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:05:02,378 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:05:02,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:05:03,208 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:05:03,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:05:03,232 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:05:03,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:03 BoogieIcfgContainer [2022-10-15 22:05:03,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:05:03,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:05:03,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:05:03,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:05:03,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:05:01" (1/3) ... [2022-10-15 22:05:03,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351ab908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:03, skipping insertion in model container [2022-10-15 22:05:03,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:01" (2/3) ... [2022-10-15 22:05:03,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351ab908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:03, skipping insertion in model container [2022-10-15 22:05:03,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:03" (3/3) ... [2022-10-15 22:05:03,263 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:03,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:05:03,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 22:05:03,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:05:03,403 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;@2fd8f096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:05:03,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 22:05:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:05:03,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:03,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:03,421 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)] === [2022-10-15 22:05:03,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:03,431 INFO L85 PathProgramCache]: Analyzing trace with hash -328888992, now seen corresponding path program 1 times [2022-10-15 22:05:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:03,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197127362] [2022-10-15 22:05:03,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:03,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:03,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197127362] [2022-10-15 22:05:03,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197127362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:03,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:03,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503432609] [2022-10-15 22:05:03,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:03,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:03,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:04,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:04,016 INFO L87 Difference]: Start difference. First operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 states have internal predecessors, (302), 0 states have call successors, (0), 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 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) [2022-10-15 22:05:04,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:04,130 INFO L93 Difference]: Finished difference Result 472 states and 670 transitions. [2022-10-15 22:05:04,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:04,133 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 [2022-10-15 22:05:04,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:04,153 INFO L225 Difference]: With dead ends: 472 [2022-10-15 22:05:04,153 INFO L226 Difference]: Without dead ends: 319 [2022-10-15 22:05:04,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:04,171 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 184 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:04,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 730 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-10-15 22:05:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 287. [2022-10-15 22:05:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 253 states have (on average 1.7035573122529644) internal successors, (431), 286 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 431 transitions. [2022-10-15 22:05:04,267 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 431 transitions. Word has length 45 [2022-10-15 22:05:04,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:04,268 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 431 transitions. [2022-10-15 22:05:04,269 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) [2022-10-15 22:05:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 431 transitions. [2022-10-15 22:05:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:05:04,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:04,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:04,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:05:04,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:04,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:04,278 INFO L85 PathProgramCache]: Analyzing trace with hash -777980889, now seen corresponding path program 1 times [2022-10-15 22:05:04,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:04,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766017911] [2022-10-15 22:05:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:04,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:04,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766017911] [2022-10-15 22:05:04,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766017911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:04,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:04,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:04,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169048551] [2022-10-15 22:05:04,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:04,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:04,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:04,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:04,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:04,591 INFO L87 Difference]: Start difference. First operand 287 states and 431 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:04,701 INFO L93 Difference]: Finished difference Result 639 states and 957 transitions. [2022-10-15 22:05:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:04,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-15 22:05:04,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:04,709 INFO L225 Difference]: With dead ends: 639 [2022-10-15 22:05:04,709 INFO L226 Difference]: Without dead ends: 406 [2022-10-15 22:05:04,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:04,719 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 156 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:04,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 492 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-15 22:05:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 381. [2022-10-15 22:05:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 347 states have (on average 1.7002881844380404) internal successors, (590), 380 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 590 transitions. [2022-10-15 22:05:04,823 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 590 transitions. Word has length 48 [2022-10-15 22:05:04,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:04,826 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 590 transitions. [2022-10-15 22:05:04,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 590 transitions. [2022-10-15 22:05:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:05:04,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:04,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:04,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:05:04,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:04,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1520719526, now seen corresponding path program 1 times [2022-10-15 22:05:04,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:04,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650183938] [2022-10-15 22:05:04,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:04,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:04,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:04,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650183938] [2022-10-15 22:05:04,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650183938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:04,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:04,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:04,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430122171] [2022-10-15 22:05:04,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:04,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:04,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:04,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:04,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:04,952 INFO L87 Difference]: Start difference. First operand 381 states and 590 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:05,012 INFO L93 Difference]: Finished difference Result 966 states and 1514 transitions. [2022-10-15 22:05:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:05,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-10-15 22:05:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:05,018 INFO L225 Difference]: With dead ends: 966 [2022-10-15 22:05:05,018 INFO L226 Difference]: Without dead ends: 641 [2022-10-15 22:05:05,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:05,021 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 173 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:05,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 652 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:05,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-10-15 22:05:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 609. [2022-10-15 22:05:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 575 states have (on average 1.7304347826086957) internal successors, (995), 608 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 995 transitions. [2022-10-15 22:05:05,071 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 995 transitions. Word has length 50 [2022-10-15 22:05:05,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:05,071 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 995 transitions. [2022-10-15 22:05:05,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 995 transitions. [2022-10-15 22:05:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:05:05,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:05,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:05,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:05:05,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:05,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash -192638031, now seen corresponding path program 1 times [2022-10-15 22:05:05,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:05,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417465102] [2022-10-15 22:05:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:05,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:05,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417465102] [2022-10-15 22:05:05,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417465102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:05,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:05,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:05,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262352641] [2022-10-15 22:05:05,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:05,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:05,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:05,218 INFO L87 Difference]: Start difference. First operand 609 states and 995 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:05,322 INFO L93 Difference]: Finished difference Result 1477 states and 2412 transitions. [2022-10-15 22:05:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:05,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 22:05:05,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:05,329 INFO L225 Difference]: With dead ends: 1477 [2022-10-15 22:05:05,330 INFO L226 Difference]: Without dead ends: 924 [2022-10-15 22:05:05,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:05,333 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 175 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 506 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 [2022-10-15 22:05:05,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 506 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:05,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-10-15 22:05:05,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 889. [2022-10-15 22:05:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 855 states have (on average 1.7298245614035088) internal successors, (1479), 888 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1479 transitions. [2022-10-15 22:05:05,432 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1479 transitions. Word has length 53 [2022-10-15 22:05:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:05,433 INFO L495 AbstractCegarLoop]: Abstraction has 889 states and 1479 transitions. [2022-10-15 22:05:05,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1479 transitions. [2022-10-15 22:05:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:05:05,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:05,437 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] [2022-10-15 22:05:05,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:05:05,437 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:05,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1649715484, now seen corresponding path program 1 times [2022-10-15 22:05:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:05,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517607011] [2022-10-15 22:05:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:05,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:05,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517607011] [2022-10-15 22:05:05,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517607011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:05,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:05,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:05,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097308394] [2022-10-15 22:05:05,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:05,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:05,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:05,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:05,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:05,588 INFO L87 Difference]: Start difference. First operand 889 states and 1479 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) [2022-10-15 22:05:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:05,732 INFO L93 Difference]: Finished difference Result 2338 states and 3927 transitions. [2022-10-15 22:05:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:05,732 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 [2022-10-15 22:05:05,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:05,745 INFO L225 Difference]: With dead ends: 2338 [2022-10-15 22:05:05,746 INFO L226 Difference]: Without dead ends: 1518 [2022-10-15 22:05:05,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:05,751 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 168 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:05,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 634 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-10-15 22:05:05,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1486. [2022-10-15 22:05:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1452 states have (on average 1.743801652892562) internal successors, (2532), 1485 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2532 transitions. [2022-10-15 22:05:05,904 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2532 transitions. Word has length 55 [2022-10-15 22:05:05,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:05,904 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2532 transitions. [2022-10-15 22:05:05,905 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) [2022-10-15 22:05:05,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2532 transitions. [2022-10-15 22:05:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:05:05,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:05,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:05,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:05:05,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:05,915 INFO L85 PathProgramCache]: Analyzing trace with hash 798652267, now seen corresponding path program 1 times [2022-10-15 22:05:05,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:05,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851236478] [2022-10-15 22:05:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:05,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:06,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:06,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851236478] [2022-10-15 22:05:06,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851236478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:06,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:06,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930021381] [2022-10-15 22:05:06,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:06,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:06,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:06,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:06,081 INFO L87 Difference]: Start difference. First operand 1486 states and 2532 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:06,275 INFO L93 Difference]: Finished difference Result 3671 states and 6259 transitions. [2022-10-15 22:05:06,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:06,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:05:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:06,290 INFO L225 Difference]: With dead ends: 3671 [2022-10-15 22:05:06,291 INFO L226 Difference]: Without dead ends: 2254 [2022-10-15 22:05:06,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:06,297 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 170 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 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 [2022-10-15 22:05:06,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 508 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-10-15 22:05:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2213. [2022-10-15 22:05:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2179 states have (on average 1.7365764111977973) internal successors, (3784), 2212 states have internal predecessors, (3784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3784 transitions. [2022-10-15 22:05:06,483 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3784 transitions. Word has length 58 [2022-10-15 22:05:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:06,484 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3784 transitions. [2022-10-15 22:05:06,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3784 transitions. [2022-10-15 22:05:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:05:06,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:06,485 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] [2022-10-15 22:05:06,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:05:06,486 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1789783198, now seen corresponding path program 1 times [2022-10-15 22:05:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:06,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830279161] [2022-10-15 22:05:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830279161] [2022-10-15 22:05:06,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830279161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:06,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:06,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345412745] [2022-10-15 22:05:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:06,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:06,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:06,637 INFO L87 Difference]: Start difference. First operand 2213 states and 3784 transitions. Second operand has 3 states, 2 states have (on average 30.0) 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) [2022-10-15 22:05:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:06,996 INFO L93 Difference]: Finished difference Result 4118 states and 7090 transitions. [2022-10-15 22:05:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:06,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) 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 [2022-10-15 22:05:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:07,021 INFO L225 Difference]: With dead ends: 4118 [2022-10-15 22:05:07,021 INFO L226 Difference]: Without dead ends: 4115 [2022-10-15 22:05:07,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:07,024 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 206 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:07,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 383 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-15 22:05:07,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-15 22:05:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7315568714532446) internal successors, (7018), 4086 states have internal predecessors, (7018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 7018 transitions. [2022-10-15 22:05:07,450 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 7018 transitions. Word has length 60 [2022-10-15 22:05:07,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:07,451 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 7018 transitions. [2022-10-15 22:05:07,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) 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) [2022-10-15 22:05:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 7018 transitions. [2022-10-15 22:05:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:05:07,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:07,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:07,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:05:07,453 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:07,454 INFO L85 PathProgramCache]: Analyzing trace with hash -351295465, now seen corresponding path program 1 times [2022-10-15 22:05:07,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:07,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312486313] [2022-10-15 22:05:07,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:07,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:07,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312486313] [2022-10-15 22:05:07,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312486313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:07,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:07,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:07,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241174108] [2022-10-15 22:05:07,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:07,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:07,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:07,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:07,661 INFO L87 Difference]: Start difference. First operand 4087 states and 7018 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:08,088 INFO L93 Difference]: Finished difference Result 4118 states and 7018 transitions. [2022-10-15 22:05:08,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:08,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:05:08,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:08,113 INFO L225 Difference]: With dead ends: 4118 [2022-10-15 22:05:08,114 INFO L226 Difference]: Without dead ends: 4115 [2022-10-15 22:05:08,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:08,118 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 202 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:08,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 386 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:08,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-15 22:05:08,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-15 22:05:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7137922526523564) internal successors, (6946), 4086 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 6946 transitions. [2022-10-15 22:05:08,466 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 6946 transitions. Word has length 61 [2022-10-15 22:05:08,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:08,467 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 6946 transitions. [2022-10-15 22:05:08,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 6946 transitions. [2022-10-15 22:05:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:05:08,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:08,468 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] [2022-10-15 22:05:08,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:05:08,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:08,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1994742720, now seen corresponding path program 1 times [2022-10-15 22:05:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:08,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300768979] [2022-10-15 22:05:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:08,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:08,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:08,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300768979] [2022-10-15 22:05:08,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300768979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:08,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:08,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:08,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795813058] [2022-10-15 22:05:08,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:08,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:08,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:08,594 INFO L87 Difference]: Start difference. First operand 4087 states and 6946 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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) [2022-10-15 22:05:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:09,188 INFO L93 Difference]: Finished difference Result 6089 states and 10171 transitions. [2022-10-15 22:05:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:09,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 [2022-10-15 22:05:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:09,227 INFO L225 Difference]: With dead ends: 6089 [2022-10-15 22:05:09,227 INFO L226 Difference]: Without dead ends: 6086 [2022-10-15 22:05:09,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:09,232 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 203 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:09,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 341 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:09,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-10-15 22:05:09,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6076. [2022-10-15 22:05:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6076 states, 6044 states have (on average 1.6599933818663137) internal successors, (10033), 6075 states have internal predecessors, (10033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6076 states to 6076 states and 10033 transitions. [2022-10-15 22:05:09,942 INFO L78 Accepts]: Start accepts. Automaton has 6076 states and 10033 transitions. Word has length 62 [2022-10-15 22:05:09,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:09,943 INFO L495 AbstractCegarLoop]: Abstraction has 6076 states and 10033 transitions. [2022-10-15 22:05:09,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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) [2022-10-15 22:05:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 6076 states and 10033 transitions. [2022-10-15 22:05:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:05:09,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:09,944 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] [2022-10-15 22:05:09,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:05:09,945 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1707482425, now seen corresponding path program 1 times [2022-10-15 22:05:09,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:09,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738722767] [2022-10-15 22:05:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:09,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:10,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738722767] [2022-10-15 22:05:10,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738722767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:10,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:10,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406564117] [2022-10-15 22:05:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:10,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:10,071 INFO L87 Difference]: Start difference. First operand 6076 states and 10033 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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) [2022-10-15 22:05:11,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:11,063 INFO L93 Difference]: Finished difference Result 9753 states and 16198 transitions. [2022-10-15 22:05:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:11,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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 [2022-10-15 22:05:11,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:11,202 INFO L225 Difference]: With dead ends: 9753 [2022-10-15 22:05:11,203 INFO L226 Difference]: Without dead ends: 9750 [2022-10-15 22:05:11,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:11,208 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 199 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:11,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 376 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9750 states. [2022-10-15 22:05:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9750 to 9722. [2022-10-15 22:05:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9722 states, 9690 states have (on average 1.6530443756449948) internal successors, (16018), 9721 states have internal predecessors, (16018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 16018 transitions. [2022-10-15 22:05:12,210 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 16018 transitions. Word has length 63 [2022-10-15 22:05:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:12,211 INFO L495 AbstractCegarLoop]: Abstraction has 9722 states and 16018 transitions. [2022-10-15 22:05:12,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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) [2022-10-15 22:05:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 16018 transitions. [2022-10-15 22:05:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:05:12,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:12,213 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] [2022-10-15 22:05:12,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:05:12,214 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:12,215 INFO L85 PathProgramCache]: Analyzing trace with hash 213111419, now seen corresponding path program 1 times [2022-10-15 22:05:12,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:12,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919647658] [2022-10-15 22:05:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:12,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:12,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:12,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919647658] [2022-10-15 22:05:12,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919647658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:12,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:12,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:12,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416826706] [2022-10-15 22:05:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:12,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:12,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:12,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:12,367 INFO L87 Difference]: Start difference. First operand 9722 states and 16018 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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) [2022-10-15 22:05:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:14,306 INFO L93 Difference]: Finished difference Result 27597 states and 45751 transitions. [2022-10-15 22:05:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:14,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 [2022-10-15 22:05:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:14,367 INFO L225 Difference]: With dead ends: 27597 [2022-10-15 22:05:14,367 INFO L226 Difference]: Without dead ends: 17957 [2022-10-15 22:05:14,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:14,390 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 565 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:14,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 640 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17957 states. [2022-10-15 22:05:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17957 to 15266. [2022-10-15 22:05:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15266 states, 15234 states have (on average 1.6511093606406722) internal successors, (25153), 15265 states have internal predecessors, (25153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15266 states to 15266 states and 25153 transitions. [2022-10-15 22:05:16,149 INFO L78 Accepts]: Start accepts. Automaton has 15266 states and 25153 transitions. Word has length 65 [2022-10-15 22:05:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:16,149 INFO L495 AbstractCegarLoop]: Abstraction has 15266 states and 25153 transitions. [2022-10-15 22:05:16,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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) [2022-10-15 22:05:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 15266 states and 25153 transitions. [2022-10-15 22:05:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:05:16,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:16,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:16,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:05:16,152 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1983480347, now seen corresponding path program 1 times [2022-10-15 22:05:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:16,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507704618] [2022-10-15 22:05:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:16,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:16,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507704618] [2022-10-15 22:05:16,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507704618] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:16,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:16,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218982005] [2022-10-15 22:05:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:16,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:16,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:16,267 INFO L87 Difference]: Start difference. First operand 15266 states and 25153 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:17,776 INFO L93 Difference]: Finished difference Result 19176 states and 31774 transitions. [2022-10-15 22:05:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:17,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:05:17,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:17,852 INFO L225 Difference]: With dead ends: 19176 [2022-10-15 22:05:17,852 INFO L226 Difference]: Without dead ends: 19175 [2022-10-15 22:05:17,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:17,863 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 563 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:17,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 476 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19175 states. [2022-10-15 22:05:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19175 to 19118. [2022-10-15 22:05:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19118 states, 19086 states have (on average 1.654249187886409) internal successors, (31573), 19117 states have internal predecessors, (31573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19118 states to 19118 states and 31573 transitions. [2022-10-15 22:05:19,485 INFO L78 Accepts]: Start accepts. Automaton has 19118 states and 31573 transitions. Word has length 66 [2022-10-15 22:05:19,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:19,485 INFO L495 AbstractCegarLoop]: Abstraction has 19118 states and 31573 transitions. [2022-10-15 22:05:19,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19118 states and 31573 transitions. [2022-10-15 22:05:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:05:19,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:19,488 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] [2022-10-15 22:05:19,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:05:19,489 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1354886546, now seen corresponding path program 1 times [2022-10-15 22:05:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752339846] [2022-10-15 22:05:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:19,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:19,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752339846] [2022-10-15 22:05:19,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752339846] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:19,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:19,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:05:19,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013402717] [2022-10-15 22:05:19,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:19,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:19,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:19,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:19,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:19,624 INFO L87 Difference]: Start difference. First operand 19118 states and 31573 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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) [2022-10-15 22:05:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:22,345 INFO L93 Difference]: Finished difference Result 48315 states and 79870 transitions. [2022-10-15 22:05:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:05:22,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 [2022-10-15 22:05:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:22,490 INFO L225 Difference]: With dead ends: 48315 [2022-10-15 22:05:22,490 INFO L226 Difference]: Without dead ends: 29279 [2022-10-15 22:05:22,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:05:22,549 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 1122 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:22,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1559 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29279 states. [2022-10-15 22:05:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29279 to 25605. [2022-10-15 22:05:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25605 states, 25573 states have (on average 1.6488483947913815) internal successors, (42166), 25604 states have internal predecessors, (42166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25605 states to 25605 states and 42166 transitions. [2022-10-15 22:05:24,859 INFO L78 Accepts]: Start accepts. Automaton has 25605 states and 42166 transitions. Word has length 67 [2022-10-15 22:05:24,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:24,859 INFO L495 AbstractCegarLoop]: Abstraction has 25605 states and 42166 transitions. [2022-10-15 22:05:24,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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) [2022-10-15 22:05:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 25605 states and 42166 transitions. [2022-10-15 22:05:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:05:24,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:24,860 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] [2022-10-15 22:05:24,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:05:24,861 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:24,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:24,862 INFO L85 PathProgramCache]: Analyzing trace with hash 840874247, now seen corresponding path program 1 times [2022-10-15 22:05:24,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:24,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975489885] [2022-10-15 22:05:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:24,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:24,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:24,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975489885] [2022-10-15 22:05:24,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975489885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:24,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:24,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:24,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986358275] [2022-10-15 22:05:24,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:24,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:24,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:24,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:24,974 INFO L87 Difference]: Start difference. First operand 25605 states and 42166 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) [2022-10-15 22:05:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:28,520 INFO L93 Difference]: Finished difference Result 71567 states and 118413 transitions. [2022-10-15 22:05:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:28,521 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 [2022-10-15 22:05:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:28,623 INFO L225 Difference]: With dead ends: 71567 [2022-10-15 22:05:28,623 INFO L226 Difference]: Without dead ends: 46044 [2022-10-15 22:05:28,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:28,672 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 561 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:28,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 790 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:28,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46044 states. [2022-10-15 22:05:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46044 to 38859. [2022-10-15 22:05:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38859 states, 38827 states have (on average 1.6414350838334149) internal successors, (63732), 38858 states have internal predecessors, (63732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38859 states to 38859 states and 63732 transitions. [2022-10-15 22:05:32,215 INFO L78 Accepts]: Start accepts. Automaton has 38859 states and 63732 transitions. Word has length 68 [2022-10-15 22:05:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:32,216 INFO L495 AbstractCegarLoop]: Abstraction has 38859 states and 63732 transitions. [2022-10-15 22:05:32,216 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) [2022-10-15 22:05:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38859 states and 63732 transitions. [2022-10-15 22:05:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:05:32,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:32,217 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] [2022-10-15 22:05:32,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:32,218 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:32,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash 297298144, now seen corresponding path program 1 times [2022-10-15 22:05:32,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:32,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334987056] [2022-10-15 22:05:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:32,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:32,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334987056] [2022-10-15 22:05:32,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334987056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:32,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:32,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:32,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189590508] [2022-10-15 22:05:32,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:32,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:32,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:32,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:32,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:32,340 INFO L87 Difference]: Start difference. First operand 38859 states and 63732 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:36,556 INFO L93 Difference]: Finished difference Result 50837 states and 83871 transitions. [2022-10-15 22:05:36,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:36,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:05:36,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:36,639 INFO L225 Difference]: With dead ends: 50837 [2022-10-15 22:05:36,639 INFO L226 Difference]: Without dead ends: 50836 [2022-10-15 22:05:36,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:36,656 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 549 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:36,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 479 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50836 states. [2022-10-15 22:05:40,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50836 to 50719. [2022-10-15 22:05:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50719 states, 50687 states have (on average 1.6431826701126522) internal successors, (83288), 50718 states have internal predecessors, (83288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50719 states to 50719 states and 83288 transitions. [2022-10-15 22:05:41,069 INFO L78 Accepts]: Start accepts. Automaton has 50719 states and 83288 transitions. Word has length 69 [2022-10-15 22:05:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:41,069 INFO L495 AbstractCegarLoop]: Abstraction has 50719 states and 83288 transitions. [2022-10-15 22:05:41,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 50719 states and 83288 transitions. [2022-10-15 22:05:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:05:41,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:41,070 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] [2022-10-15 22:05:41,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:05:41,070 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:41,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:41,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2059283934, now seen corresponding path program 1 times [2022-10-15 22:05:41,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:41,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973174116] [2022-10-15 22:05:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:41,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:41,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:41,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973174116] [2022-10-15 22:05:41,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973174116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:41,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:41,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013454391] [2022-10-15 22:05:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:41,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:41,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:41,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:41,214 INFO L87 Difference]: Start difference. First operand 50719 states and 83288 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) [2022-10-15 22:05:50,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:50,103 INFO L93 Difference]: Finished difference Result 154606 states and 255224 transitions. [2022-10-15 22:05:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:50,104 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 [2022-10-15 22:05:50,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:50,355 INFO L225 Difference]: With dead ends: 154606 [2022-10-15 22:05:50,355 INFO L226 Difference]: Without dead ends: 103969 [2022-10-15 22:05:50,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:50,425 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 557 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:50,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 812 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103969 states.