/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.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:07:14,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:07:14,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:07:14,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:07:14,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:07:14,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:07:14,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:07:14,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:07:14,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:07:14,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:07:14,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:07:14,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:07:14,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:07:14,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:07:14,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:07:14,988 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 22:07:15,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:07:15,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:07:15,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:07:15,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:07:15,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:07:15,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:07:15,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:07:15,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:07:15,026 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:07:15,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:07:15,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:07:15,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:07:15,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:07:15,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:07:15,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:07:15,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:07:15,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:07:15,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:07:15,028 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:07:15,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:07:15,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:07:15,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:07:15,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:07:15,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:07:15,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:07:15,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:07:15,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:07:15,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:07:15,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:07:15,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:07:15,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:07:15,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:07:15,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:07:15,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:07:15,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:07:15,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:07:15,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:07:15,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:07:15,475 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:07:15,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-15 22:07:15,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b651de6d/eab6897866dc4884aba8723b663d253b/FLAG0ce44e0c7 [2022-10-15 22:07:16,432 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:07:16,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-15 22:07:16,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b651de6d/eab6897866dc4884aba8723b663d253b/FLAG0ce44e0c7 [2022-10-15 22:07:16,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b651de6d/eab6897866dc4884aba8723b663d253b [2022-10-15 22:07:16,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:07:16,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:07:16,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:07:16,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:07:16,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:07:16,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:07:16" (1/1) ... [2022-10-15 22:07:16,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccd12b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:16, skipping insertion in model container [2022-10-15 22:07:16,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:07:16" (1/1) ... [2022-10-15 22:07:16,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:07:16,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:07:17,407 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.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[31957,31970] [2022-10-15 22:07:17,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:07:17,733 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:07:18,005 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.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[31957,31970] [2022-10-15 22:07:18,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:07:18,156 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:07:18,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18 WrapperNode [2022-10-15 22:07:18,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:07:18,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:07:18,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:07:18,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:07:18,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,330 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2938 [2022-10-15 22:07:18,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:07:18,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:07:18,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:07:18,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:07:18,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:07:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:07:18,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:07:18,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:07:18,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (1/1) ... [2022-10-15 22:07:18,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:07:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:07:18,506 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 22:07:18,530 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 22:07:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:07:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:07:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:07:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:07:18,879 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:07:18,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:07:21,399 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:07:21,474 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:07:21,474 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:07:21,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:07:21 BoogieIcfgContainer [2022-10-15 22:07:21,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:07:21,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:07:21,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:07:21,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:07:21,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:07:16" (1/3) ... [2022-10-15 22:07:21,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2709b4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:07:21, skipping insertion in model container [2022-10-15 22:07:21,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:18" (2/3) ... [2022-10-15 22:07:21,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2709b4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:07:21, skipping insertion in model container [2022-10-15 22:07:21,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:07:21" (3/3) ... [2022-10-15 22:07:21,516 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-15 22:07:21,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:07:21,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 244 error locations. [2022-10-15 22:07:21,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:07:21,761 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;@727586eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:07:21,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 244 error locations. [2022-10-15 22:07:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 1205 states, 960 states have (on average 1.8416666666666666) internal successors, (1768), 1204 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states 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 22:07:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:07:21,792 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:21,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:21,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:21,801 INFO L85 PathProgramCache]: Analyzing trace with hash 882516456, now seen corresponding path program 1 times [2022-10-15 22:07:21,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:21,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482650990] [2022-10-15 22:07:21,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:21,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:22,670 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 22:07:22,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:22,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482650990] [2022-10-15 22:07:22,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482650990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:22,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:22,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:22,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507988346] [2022-10-15 22:07:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:22,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:22,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:22,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:22,737 INFO L87 Difference]: Start difference. First operand has 1205 states, 960 states have (on average 1.8416666666666666) internal successors, (1768), 1204 states have internal predecessors, (1768), 0 states have call successors, (0), 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, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states 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 22:07:23,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:23,479 INFO L93 Difference]: Finished difference Result 1548 states and 2244 transitions. [2022-10-15 22:07:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:23,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-15 22:07:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:23,510 INFO L225 Difference]: With dead ends: 1548 [2022-10-15 22:07:23,510 INFO L226 Difference]: Without dead ends: 1524 [2022-10-15 22:07:23,515 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 22:07:23,520 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 1625 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:23,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 2316 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:07:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2022-10-15 22:07:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1448. [2022-10-15 22:07:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1214 states have (on average 1.683690280065898) internal successors, (2044), 1447 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states 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 22:07:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 2044 transitions. [2022-10-15 22:07:23,678 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 2044 transitions. Word has length 119 [2022-10-15 22:07:23,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:23,679 INFO L495 AbstractCegarLoop]: Abstraction has 1448 states and 2044 transitions. [2022-10-15 22:07:23,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states 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 22:07:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2044 transitions. [2022-10-15 22:07:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-15 22:07:23,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:23,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:23,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:07:23,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:23,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1588206828, now seen corresponding path program 1 times [2022-10-15 22:07:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:23,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468535468] [2022-10-15 22:07:23,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:24,028 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 22:07:24,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:24,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468535468] [2022-10-15 22:07:24,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468535468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:24,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:24,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:24,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739096889] [2022-10-15 22:07:24,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:24,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:24,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:24,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:24,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:24,033 INFO L87 Difference]: Start difference. First operand 1448 states and 2044 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states 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 22:07:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:24,450 INFO L93 Difference]: Finished difference Result 1529 states and 2044 transitions. [2022-10-15 22:07:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-15 22:07:24,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:24,462 INFO L225 Difference]: With dead ends: 1529 [2022-10-15 22:07:24,462 INFO L226 Difference]: Without dead ends: 1514 [2022-10-15 22:07:24,464 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 22:07:24,466 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 1448 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:24,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 2148 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:24,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-10-15 22:07:24,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1438. [2022-10-15 22:07:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1214 states have (on average 1.671334431630972) internal successors, (2029), 1437 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states 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 22:07:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2029 transitions. [2022-10-15 22:07:24,589 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2029 transitions. Word has length 120 [2022-10-15 22:07:24,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:24,590 INFO L495 AbstractCegarLoop]: Abstraction has 1438 states and 2029 transitions. [2022-10-15 22:07:24,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states 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 22:07:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2029 transitions. [2022-10-15 22:07:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:07:24,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:24,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:24,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:07:24,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:24,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1989771882, now seen corresponding path program 1 times [2022-10-15 22:07:24,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:24,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087603639] [2022-10-15 22:07:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:24,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:24,850 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 22:07:24,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:24,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087603639] [2022-10-15 22:07:24,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087603639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:24,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:24,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:24,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985570165] [2022-10-15 22:07:24,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:24,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:24,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:24,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:24,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:24,857 INFO L87 Difference]: Start difference. First operand 1438 states and 2029 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:25,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:25,306 INFO L93 Difference]: Finished difference Result 1741 states and 2435 transitions. [2022-10-15 22:07:25,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:25,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-15 22:07:25,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:25,317 INFO L225 Difference]: With dead ends: 1741 [2022-10-15 22:07:25,318 INFO L226 Difference]: Without dead ends: 1726 [2022-10-15 22:07:25,320 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 22:07:25,322 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 1425 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:25,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 2098 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-10-15 22:07:25,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1660. [2022-10-15 22:07:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1446 states have (on average 1.673582295988935) internal successors, (2420), 1659 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states 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 22:07:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2420 transitions. [2022-10-15 22:07:25,467 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2420 transitions. Word has length 121 [2022-10-15 22:07:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:25,468 INFO L495 AbstractCegarLoop]: Abstraction has 1660 states and 2420 transitions. [2022-10-15 22:07:25,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2420 transitions. [2022-10-15 22:07:25,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-15 22:07:25,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:25,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:25,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:07:25,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1553386670, now seen corresponding path program 1 times [2022-10-15 22:07:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:25,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611996364] [2022-10-15 22:07:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:25,767 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 22:07:25,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:25,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611996364] [2022-10-15 22:07:25,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611996364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:25,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:25,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:25,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920358441] [2022-10-15 22:07:25,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:25,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:25,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:25,771 INFO L87 Difference]: Start difference. First operand 1660 states and 2420 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states 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 22:07:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:26,225 INFO L93 Difference]: Finished difference Result 1731 states and 2420 transitions. [2022-10-15 22:07:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:26,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-15 22:07:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:26,236 INFO L225 Difference]: With dead ends: 1731 [2022-10-15 22:07:26,236 INFO L226 Difference]: Without dead ends: 1716 [2022-10-15 22:07:26,238 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 22:07:26,240 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 1414 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:26,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 2098 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-10-15 22:07:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1650. [2022-10-15 22:07:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1446 states have (on average 1.6632088520055326) internal successors, (2405), 1649 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states 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 22:07:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2405 transitions. [2022-10-15 22:07:26,377 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2405 transitions. Word has length 122 [2022-10-15 22:07:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:26,378 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2405 transitions. [2022-10-15 22:07:26,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states 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 22:07:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2405 transitions. [2022-10-15 22:07:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-15 22:07:26,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:26,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:26,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:07:26,381 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:26,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:26,381 INFO L85 PathProgramCache]: Analyzing trace with hash 910346988, now seen corresponding path program 1 times [2022-10-15 22:07:26,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:26,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194952382] [2022-10-15 22:07:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:26,628 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 22:07:26,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:26,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194952382] [2022-10-15 22:07:26,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194952382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:26,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:26,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052694928] [2022-10-15 22:07:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:26,632 INFO L87 Difference]: Start difference. First operand 1650 states and 2405 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 22:07:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:27,103 INFO L93 Difference]: Finished difference Result 2073 states and 3082 transitions. [2022-10-15 22:07:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:27,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-15 22:07:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:27,117 INFO L225 Difference]: With dead ends: 2073 [2022-10-15 22:07:27,117 INFO L226 Difference]: Without dead ends: 2058 [2022-10-15 22:07:27,120 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 22:07:27,121 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 1408 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:27,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 1822 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2022-10-15 22:07:27,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2038. [2022-10-15 22:07:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1847 states have (on average 1.656199242014077) internal successors, (3059), 2037 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states 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 22:07:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 3059 transitions. [2022-10-15 22:07:27,351 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 3059 transitions. Word has length 123 [2022-10-15 22:07:27,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:27,352 INFO L495 AbstractCegarLoop]: Abstraction has 2038 states and 3059 transitions. [2022-10-15 22:07:27,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 22:07:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 3059 transitions. [2022-10-15 22:07:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:07:27,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:27,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:27,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:07:27,356 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:27,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1844013968, now seen corresponding path program 1 times [2022-10-15 22:07:27,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:27,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585522185] [2022-10-15 22:07:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:27,651 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 22:07:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:27,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585522185] [2022-10-15 22:07:27,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585522185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:27,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:27,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290724957] [2022-10-15 22:07:27,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:27,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:27,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:27,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:27,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:27,655 INFO L87 Difference]: Start difference. First operand 2038 states and 3059 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:28,279 INFO L93 Difference]: Finished difference Result 2788 states and 4241 transitions. [2022-10-15 22:07:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:28,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 22:07:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:28,296 INFO L225 Difference]: With dead ends: 2788 [2022-10-15 22:07:28,296 INFO L226 Difference]: Without dead ends: 2773 [2022-10-15 22:07:28,323 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 22:07:28,324 INFO L413 NwaCegarLoop]: 1369 mSDtfsCounter, 1391 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:28,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1674 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:07:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-10-15 22:07:28,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2717. [2022-10-15 22:07:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2536 states have (on average 1.6628548895899053) internal successors, (4217), 2716 states have internal predecessors, (4217), 0 states have call successors, (0), 0 states 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 22:07:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 4217 transitions. [2022-10-15 22:07:28,566 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 4217 transitions. Word has length 124 [2022-10-15 22:07:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:28,567 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 4217 transitions. [2022-10-15 22:07:28,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 4217 transitions. [2022-10-15 22:07:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-15 22:07:28,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:28,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:28,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:07:28,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:28,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1724085330, now seen corresponding path program 1 times [2022-10-15 22:07:28,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:28,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462584953] [2022-10-15 22:07:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:28,792 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 22:07:28,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:28,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462584953] [2022-10-15 22:07:28,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462584953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:28,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:28,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:28,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611387307] [2022-10-15 22:07:28,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:28,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:28,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:28,796 INFO L87 Difference]: Start difference. First operand 2717 states and 4217 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 22:07:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:29,531 INFO L93 Difference]: Finished difference Result 4037 states and 6423 transitions. [2022-10-15 22:07:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:29,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-15 22:07:29,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:29,559 INFO L225 Difference]: With dead ends: 4037 [2022-10-15 22:07:29,559 INFO L226 Difference]: Without dead ends: 4031 [2022-10-15 22:07:29,561 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 22:07:29,562 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 1318 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:29,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 1763 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2022-10-15 22:07:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 4006. [2022-10-15 22:07:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 3830 states have (on average 1.6694516971279374) internal successors, (6394), 4005 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states 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 22:07:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 6394 transitions. [2022-10-15 22:07:30,049 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 6394 transitions. Word has length 126 [2022-10-15 22:07:30,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:30,050 INFO L495 AbstractCegarLoop]: Abstraction has 4006 states and 6394 transitions. [2022-10-15 22:07:30,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 22:07:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 6394 transitions. [2022-10-15 22:07:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:07:30,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:30,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:30,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:07:30,053 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1907038161, now seen corresponding path program 1 times [2022-10-15 22:07:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:30,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817492950] [2022-10-15 22:07:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:30,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:07:30,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:30,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817492950] [2022-10-15 22:07:30,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817492950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:30,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:30,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:30,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797592054] [2022-10-15 22:07:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:30,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:30,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:30,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:30,298 INFO L87 Difference]: Start difference. First operand 4006 states and 6394 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:31,592 INFO L93 Difference]: Finished difference Result 6793 states and 11065 transitions. [2022-10-15 22:07:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:31,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-15 22:07:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:31,652 INFO L225 Difference]: With dead ends: 6793 [2022-10-15 22:07:31,652 INFO L226 Difference]: Without dead ends: 6787 [2022-10-15 22:07:31,657 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 22:07:31,658 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 1249 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:31,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1930 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:07:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6787 states. [2022-10-15 22:07:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6787 to 6734. [2022-10-15 22:07:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6734 states, 6563 states have (on average 1.6806338564680787) internal successors, (11030), 6733 states have internal predecessors, (11030), 0 states have call successors, (0), 0 states 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 22:07:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6734 states to 6734 states and 11030 transitions. [2022-10-15 22:07:32,597 INFO L78 Accepts]: Start accepts. Automaton has 6734 states and 11030 transitions. Word has length 127 [2022-10-15 22:07:32,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:32,597 INFO L495 AbstractCegarLoop]: Abstraction has 6734 states and 11030 transitions. [2022-10-15 22:07:32,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6734 states and 11030 transitions. [2022-10-15 22:07:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 22:07:32,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:32,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:32,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:07:32,611 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:32,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:32,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1287347117, now seen corresponding path program 1 times [2022-10-15 22:07:32,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:32,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631257891] [2022-10-15 22:07:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:32,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:32,805 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 22:07:32,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:32,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631257891] [2022-10-15 22:07:32,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631257891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:32,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:32,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:32,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537194241] [2022-10-15 22:07:32,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:32,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:32,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:32,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:32,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:32,809 INFO L87 Difference]: Start difference. First operand 6734 states and 11030 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 22:07:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:34,200 INFO L93 Difference]: Finished difference Result 8803 states and 14464 transitions. [2022-10-15 22:07:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:07:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-15 22:07:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:34,267 INFO L225 Difference]: With dead ends: 8803 [2022-10-15 22:07:34,267 INFO L226 Difference]: Without dead ends: 8798 [2022-10-15 22:07:34,271 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 22:07:34,275 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1963 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 3268 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:34,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 3268 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:07:34,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2022-10-15 22:07:35,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 6729. [2022-10-15 22:07:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6563 states have (on average 1.679872009751638) internal successors, (11025), 6728 states have internal predecessors, (11025), 0 states have call successors, (0), 0 states 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 22:07:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 11025 transitions. [2022-10-15 22:07:35,346 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 11025 transitions. Word has length 129 [2022-10-15 22:07:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:35,347 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 11025 transitions. [2022-10-15 22:07:35,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 22:07:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 11025 transitions. [2022-10-15 22:07:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 22:07:35,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:35,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:35,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:07:35,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:35,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:35,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1253054473, now seen corresponding path program 1 times [2022-10-15 22:07:35,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:35,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661258139] [2022-10-15 22:07:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:35,593 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 22:07:35,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:35,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661258139] [2022-10-15 22:07:35,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661258139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:35,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:35,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:35,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717968118] [2022-10-15 22:07:35,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:35,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:35,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:35,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:35,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:35,597 INFO L87 Difference]: Start difference. First operand 6729 states and 11025 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:37,180 INFO L93 Difference]: Finished difference Result 8796 states and 14459 transitions. [2022-10-15 22:07:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:07:37,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-15 22:07:37,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:37,218 INFO L225 Difference]: With dead ends: 8796 [2022-10-15 22:07:37,219 INFO L226 Difference]: Without dead ends: 8789 [2022-10-15 22:07:37,226 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 22:07:37,227 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 2379 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2379 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:37,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2379 Valid, 2481 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:07:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8789 states. [2022-10-15 22:07:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8789 to 8699. [2022-10-15 22:07:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8699 states, 8538 states have (on average 1.6879831342234715) internal successors, (14412), 8698 states have internal predecessors, (14412), 0 states have call successors, (0), 0 states 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 22:07:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8699 states to 8699 states and 14412 transitions. [2022-10-15 22:07:38,478 INFO L78 Accepts]: Start accepts. Automaton has 8699 states and 14412 transitions. Word has length 130 [2022-10-15 22:07:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:38,478 INFO L495 AbstractCegarLoop]: Abstraction has 8699 states and 14412 transitions. [2022-10-15 22:07:38,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8699 states and 14412 transitions. [2022-10-15 22:07:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:07:38,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:38,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:38,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:07:38,482 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:38,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:38,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1594489895, now seen corresponding path program 1 times [2022-10-15 22:07:38,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:38,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740568239] [2022-10-15 22:07:38,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:38,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:38,697 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 22:07:38,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:38,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740568239] [2022-10-15 22:07:38,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740568239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:38,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:38,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:38,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23363881] [2022-10-15 22:07:38,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:38,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:38,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:38,780 INFO L87 Difference]: Start difference. First operand 8699 states and 14412 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:40,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:40,265 INFO L93 Difference]: Finished difference Result 12717 states and 21207 transitions. [2022-10-15 22:07:40,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:07:40,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-15 22:07:40,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:40,319 INFO L225 Difference]: With dead ends: 12717 [2022-10-15 22:07:40,320 INFO L226 Difference]: Without dead ends: 12712 [2022-10-15 22:07:40,328 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 22:07:40,329 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 1960 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:40,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 3328 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:40,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12712 states. [2022-10-15 22:07:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12712 to 8694. [2022-10-15 22:07:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8694 states, 8538 states have (on average 1.6873975169829) internal successors, (14407), 8693 states have internal predecessors, (14407), 0 states have call successors, (0), 0 states 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 22:07:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8694 states to 8694 states and 14407 transitions. [2022-10-15 22:07:41,383 INFO L78 Accepts]: Start accepts. Automaton has 8694 states and 14407 transitions. Word has length 132 [2022-10-15 22:07:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:41,384 INFO L495 AbstractCegarLoop]: Abstraction has 8694 states and 14407 transitions. [2022-10-15 22:07:41,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 8694 states and 14407 transitions. [2022-10-15 22:07:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-15 22:07:41,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:41,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:41,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:07:41,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:41,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2110421304, now seen corresponding path program 1 times [2022-10-15 22:07:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:41,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521681775] [2022-10-15 22:07:41,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:41,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:41,552 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 22:07:41,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:41,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521681775] [2022-10-15 22:07:41,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521681775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:41,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:41,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:41,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971107709] [2022-10-15 22:07:41,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:41,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:41,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:41,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:41,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:41,555 INFO L87 Difference]: Start difference. First operand 8694 states and 14407 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:43,095 INFO L93 Difference]: Finished difference Result 14452 states and 24157 transitions. [2022-10-15 22:07:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:07:43,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-15 22:07:43,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:43,155 INFO L225 Difference]: With dead ends: 14452 [2022-10-15 22:07:43,155 INFO L226 Difference]: Without dead ends: 14445 [2022-10-15 22:07:43,165 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 22:07:43,166 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 2355 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:43,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 2563 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:43,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14445 states. [2022-10-15 22:07:44,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14445 to 14329. [2022-10-15 22:07:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14329 states, 14178 states have (on average 1.6962900268020877) internal successors, (24050), 14328 states have internal predecessors, (24050), 0 states have call successors, (0), 0 states 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 22:07:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14329 states to 14329 states and 24050 transitions. [2022-10-15 22:07:44,351 INFO L78 Accepts]: Start accepts. Automaton has 14329 states and 24050 transitions. Word has length 133 [2022-10-15 22:07:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:44,352 INFO L495 AbstractCegarLoop]: Abstraction has 14329 states and 24050 transitions. [2022-10-15 22:07:44,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 14329 states and 24050 transitions. [2022-10-15 22:07:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 22:07:44,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:44,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:44,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:07:44,355 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:44,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:44,356 INFO L85 PathProgramCache]: Analyzing trace with hash 890325434, now seen corresponding path program 1 times [2022-10-15 22:07:44,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:44,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862551668] [2022-10-15 22:07:44,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:44,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:44,542 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 22:07:44,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:44,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862551668] [2022-10-15 22:07:44,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862551668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:44,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:44,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:44,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164368632] [2022-10-15 22:07:44,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:44,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:44,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:44,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:44,545 INFO L87 Difference]: Start difference. First operand 14329 states and 24050 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:47,181 INFO L93 Difference]: Finished difference Result 26495 states and 44747 transitions. [2022-10-15 22:07:47,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:07:47,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-15 22:07:47,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:47,270 INFO L225 Difference]: With dead ends: 26495 [2022-10-15 22:07:47,270 INFO L226 Difference]: Without dead ends: 26490 [2022-10-15 22:07:47,285 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 22:07:47,291 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 1957 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:47,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 2668 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26490 states. [2022-10-15 22:07:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26490 to 14324. [2022-10-15 22:07:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14324 states, 14178 states have (on average 1.6959373677528566) internal successors, (24045), 14323 states have internal predecessors, (24045), 0 states have call successors, (0), 0 states 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 22:07:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14324 states to 14324 states and 24045 transitions. [2022-10-15 22:07:49,093 INFO L78 Accepts]: Start accepts. Automaton has 14324 states and 24045 transitions. Word has length 135 [2022-10-15 22:07:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:49,093 INFO L495 AbstractCegarLoop]: Abstraction has 14324 states and 24045 transitions. [2022-10-15 22:07:49,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14324 states and 24045 transitions. [2022-10-15 22:07:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-15 22:07:49,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:49,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:49,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:07:49,097 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:49,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:49,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1830285182, now seen corresponding path program 1 times [2022-10-15 22:07:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:49,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549668983] [2022-10-15 22:07:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:49,278 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 22:07:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:49,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549668983] [2022-10-15 22:07:49,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549668983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:49,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:49,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325252226] [2022-10-15 22:07:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:49,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:49,281 INFO L87 Difference]: Start difference. First operand 14324 states and 24045 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:52,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:52,198 INFO L93 Difference]: Finished difference Result 27583 states and 46579 transitions. [2022-10-15 22:07:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:07:52,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-15 22:07:52,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:52,286 INFO L225 Difference]: With dead ends: 27583 [2022-10-15 22:07:52,287 INFO L226 Difference]: Without dead ends: 27576 [2022-10-15 22:07:52,302 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 22:07:52,303 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 2723 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:52,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 2291 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:07:52,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27576 states. [2022-10-15 22:07:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27576 to 27402. [2022-10-15 22:07:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27402 states, 27261 states have (on average 1.6997909100913393) internal successors, (46338), 27401 states have internal predecessors, (46338), 0 states have call successors, (0), 0 states 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 22:07:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27402 states to 27402 states and 46338 transitions. [2022-10-15 22:07:55,242 INFO L78 Accepts]: Start accepts. Automaton has 27402 states and 46338 transitions. Word has length 136 [2022-10-15 22:07:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:55,243 INFO L495 AbstractCegarLoop]: Abstraction has 27402 states and 46338 transitions. [2022-10-15 22:07:55,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27402 states and 46338 transitions. [2022-10-15 22:07:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-15 22:07:55,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:55,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:07:55,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:07:55,246 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 241 more)] === [2022-10-15 22:07:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash -744614546, now seen corresponding path program 1 times [2022-10-15 22:07:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:55,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271389241] [2022-10-15 22:07:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:55,424 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 22:07:55,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:55,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271389241] [2022-10-15 22:07:55,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271389241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:55,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:55,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:55,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860314388] [2022-10-15 22:07:55,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:55,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:55,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:55,429 INFO L87 Difference]: Start difference. First operand 27402 states and 46338 transitions. Second operand has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states 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 22:08:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:00,916 INFO L93 Difference]: Finished difference Result 54845 states and 93325 transitions. [2022-10-15 22:08:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:08:00,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-15 22:08:00,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:01,116 INFO L225 Difference]: With dead ends: 54845 [2022-10-15 22:08:01,117 INFO L226 Difference]: Without dead ends: 54836 [2022-10-15 22:08:01,142 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 22:08:01,143 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 2740 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:01,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2682 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54836 states. [2022-10-15 22:08:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54836 to 41153. [2022-10-15 22:08:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41153 states, 41017 states have (on average 1.705487968403345) internal successors, (69954), 41152 states have internal predecessors, (69954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)