/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.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:06:21,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:06:21,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:06:21,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:06:21,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:06:21,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:06:21,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:06:21,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:06:21,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:06:21,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:06:21,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:06:21,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:06:21,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:06:21,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:06:21,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:06:21,495 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 22:06:21,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:06:21,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:06:21,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:06:21,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:06:21,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:06:21,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:06:21,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:06:21,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:06:21,554 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:06:21,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:06:21,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:06:21,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:06:21,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:06:21,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:06:21,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:06:21,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:06:21,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:06:21,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:06:21,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:06:21,558 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:06:21,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:06:21,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:06:21,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:06:21,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:06:21,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:06:21,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:06:21,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:21,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:06:21,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:06:21,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:06:21,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:06:21,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:06:21,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:06:21,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:06:21,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:06:22,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:06:22,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:06:22,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:06:22,008 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:06:22,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:06:22,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5193ce3cf/5bdce966cfca4ebdab8ab42b07870dcc/FLAG37282c86d [2022-10-15 22:06:22,779 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:06:22,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:06:22,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5193ce3cf/5bdce966cfca4ebdab8ab42b07870dcc/FLAG37282c86d [2022-10-15 22:06:22,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5193ce3cf/5bdce966cfca4ebdab8ab42b07870dcc [2022-10-15 22:06:22,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:06:22,854 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:06:22,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:22,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:06:22,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:06:22,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:22" (1/1) ... [2022-10-15 22:06:22,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3f3669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:22, skipping insertion in model container [2022-10-15 22:06:22,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:22" (1/1) ... [2022-10-15 22:06:22,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:06:22,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:06:23,424 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.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12650,12663] [2022-10-15 22:06:23,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:23,574 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:06:23,688 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.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12650,12663] [2022-10-15 22:06:23,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:23,766 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:06:23,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23 WrapperNode [2022-10-15 22:06:23,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:23,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:23,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:06:23,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:06:23,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,875 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1307 [2022-10-15 22:06:23,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:23,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:06:23,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:06:23,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:06:23,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:06:23,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:06:23,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:06:23,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:06:23,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (1/1) ... [2022-10-15 22:06:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:24,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:06:24,021 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 22:06:24,035 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 22:06:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:06:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:06:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:06:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:06:24,410 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:06:24,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:06:25,570 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:06:25,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:06:25,583 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:06:25,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:25 BoogieIcfgContainer [2022-10-15 22:06:25,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:06:25,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:06:25,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:06:25,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:06:25,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:06:22" (1/3) ... [2022-10-15 22:06:25,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fd3b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:25, skipping insertion in model container [2022-10-15 22:06:25,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:23" (2/3) ... [2022-10-15 22:06:25,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fd3b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:25, skipping insertion in model container [2022-10-15 22:06:25,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:25" (3/3) ... [2022-10-15 22:06:25,596 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:06:25,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:06:25,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-15 22:06:25,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:06:25,697 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;@1d798c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:06:25,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-15 22:06:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 353 states have (on average 1.8243626062322946) internal successors, (644), 399 states have internal predecessors, (644), 0 states have call successors, (0), 0 states 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 22:06:25,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:06:25,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:25,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:25,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:25,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash -44786852, now seen corresponding path program 1 times [2022-10-15 22:06:25,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:25,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930582663] [2022-10-15 22:06:25,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:26,245 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 22:06:26,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:26,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930582663] [2022-10-15 22:06:26,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930582663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:26,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:26,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:06:26,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249048415] [2022-10-15 22:06:26,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:26,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:06:26,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:26,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:06:26,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:06:26,291 INFO L87 Difference]: Start difference. First operand has 400 states, 353 states have (on average 1.8243626062322946) internal successors, (644), 399 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 84.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:26,355 INFO L93 Difference]: Finished difference Result 403 states and 646 transitions. [2022-10-15 22:06:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:06:26,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 84.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:06:26,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:26,374 INFO L225 Difference]: With dead ends: 403 [2022-10-15 22:06:26,375 INFO L226 Difference]: Without dead ends: 389 [2022-10-15 22:06:26,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:06:26,385 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:26,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:26,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-15 22:06:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2022-10-15 22:06:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 351 states have (on average 1.7150997150997151) internal successors, (602), 388 states have internal predecessors, (602), 0 states have call successors, (0), 0 states 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 22:06:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 602 transitions. [2022-10-15 22:06:26,471 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 602 transitions. Word has length 84 [2022-10-15 22:06:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:26,472 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 602 transitions. [2022-10-15 22:06:26,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 84.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 602 transitions. [2022-10-15 22:06:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:06:26,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:26,481 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] [2022-10-15 22:06:26,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:06:26,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:26,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2117115572, now seen corresponding path program 1 times [2022-10-15 22:06:26,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:26,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018182281] [2022-10-15 22:06:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:26,929 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 22:06:26,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:26,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018182281] [2022-10-15 22:06:26,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018182281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:26,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:26,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:26,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099676472] [2022-10-15 22:06:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:26,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:26,936 INFO L87 Difference]: Start difference. First operand 389 states and 602 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 22:06:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:27,087 INFO L93 Difference]: Finished difference Result 778 states and 1167 transitions. [2022-10-15 22:06:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:27,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-15 22:06:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:27,093 INFO L225 Difference]: With dead ends: 778 [2022-10-15 22:06:27,093 INFO L226 Difference]: Without dead ends: 566 [2022-10-15 22:06:27,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,097 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 252 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:27,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1176 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:27,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-15 22:06:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 538. [2022-10-15 22:06:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 500 states have (on average 1.708) internal successors, (854), 537 states have internal predecessors, (854), 0 states have call successors, (0), 0 states 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 22:06:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 854 transitions. [2022-10-15 22:06:27,140 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 854 transitions. Word has length 95 [2022-10-15 22:06:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:27,140 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 854 transitions. [2022-10-15 22:06:27,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 22:06:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 854 transitions. [2022-10-15 22:06:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:06:27,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:27,146 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] [2022-10-15 22:06:27,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:06:27,146 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:27,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1934751291, now seen corresponding path program 1 times [2022-10-15 22:06:27,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:27,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887457950] [2022-10-15 22:06:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:27,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:27,393 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 22:06:27,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:27,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887457950] [2022-10-15 22:06:27,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887457950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:27,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:27,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:27,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540899744] [2022-10-15 22:06:27,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:27,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:27,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:27,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:27,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,400 INFO L87 Difference]: Start difference. First operand 538 states and 854 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 22:06:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:27,494 INFO L93 Difference]: Finished difference Result 1242 states and 1934 transitions. [2022-10-15 22:06:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:27,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:06:27,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:27,504 INFO L225 Difference]: With dead ends: 1242 [2022-10-15 22:06:27,504 INFO L226 Difference]: Without dead ends: 881 [2022-10-15 22:06:27,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,517 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 278 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:27,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1172 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-10-15 22:06:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 839. [2022-10-15 22:06:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 801 states have (on average 1.7091136079900124) internal successors, (1369), 838 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states 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 22:06:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1369 transitions. [2022-10-15 22:06:27,582 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1369 transitions. Word has length 98 [2022-10-15 22:06:27,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:27,585 INFO L495 AbstractCegarLoop]: Abstraction has 839 states and 1369 transitions. [2022-10-15 22:06:27,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 22:06:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1369 transitions. [2022-10-15 22:06:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:06:27,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:27,598 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] [2022-10-15 22:06:27,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:06:27,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:27,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2040784504, now seen corresponding path program 1 times [2022-10-15 22:06:27,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:27,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166103647] [2022-10-15 22:06:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:27,799 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 22:06:27,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:27,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166103647] [2022-10-15 22:06:27,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166103647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:27,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:27,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074707233] [2022-10-15 22:06:27,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:27,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:27,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:27,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:27,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,803 INFO L87 Difference]: Start difference. First operand 839 states and 1369 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 22:06:27,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:27,936 INFO L93 Difference]: Finished difference Result 2127 states and 3445 transitions. [2022-10-15 22:06:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:27,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:06:27,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:27,945 INFO L225 Difference]: With dead ends: 2127 [2022-10-15 22:06:27,946 INFO L226 Difference]: Without dead ends: 1465 [2022-10-15 22:06:27,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:27,948 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 272 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:27,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1173 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-10-15 22:06:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1419. [2022-10-15 22:06:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1381 states have (on average 1.7067342505430847) internal successors, (2357), 1418 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states 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 22:06:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2357 transitions. [2022-10-15 22:06:28,041 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2357 transitions. Word has length 101 [2022-10-15 22:06:28,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:28,041 INFO L495 AbstractCegarLoop]: Abstraction has 1419 states and 2357 transitions. [2022-10-15 22:06:28,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 22:06:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2357 transitions. [2022-10-15 22:06:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 22:06:28,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:28,044 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] [2022-10-15 22:06:28,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:06:28,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1463555585, now seen corresponding path program 1 times [2022-10-15 22:06:28,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:28,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830225442] [2022-10-15 22:06:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:28,183 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 22:06:28,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:28,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830225442] [2022-10-15 22:06:28,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830225442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:28,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:28,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:28,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073257500] [2022-10-15 22:06:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:28,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:28,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:28,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:28,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:28,186 INFO L87 Difference]: Start difference. First operand 1419 states and 2357 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:28,417 INFO L93 Difference]: Finished difference Result 3831 states and 6341 transitions. [2022-10-15 22:06:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-15 22:06:28,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:28,432 INFO L225 Difference]: With dead ends: 3831 [2022-10-15 22:06:28,432 INFO L226 Difference]: Without dead ends: 2589 [2022-10-15 22:06:28,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:28,436 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 266 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:28,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1174 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2022-10-15 22:06:28,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2535. [2022-10-15 22:06:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2497 states have (on average 1.7016419703644374) internal successors, (4249), 2534 states have internal predecessors, (4249), 0 states have call successors, (0), 0 states 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 22:06:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 4249 transitions. [2022-10-15 22:06:28,645 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 4249 transitions. Word has length 104 [2022-10-15 22:06:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:28,646 INFO L495 AbstractCegarLoop]: Abstraction has 2535 states and 4249 transitions. [2022-10-15 22:06:28,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 4249 transitions. [2022-10-15 22:06:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 22:06:28,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:28,649 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] [2022-10-15 22:06:28,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:06:28,649 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:28,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1745753660, now seen corresponding path program 1 times [2022-10-15 22:06:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:28,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810273110] [2022-10-15 22:06:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:28,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:28,892 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 22:06:28,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:28,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810273110] [2022-10-15 22:06:28,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810273110] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:28,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:28,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:28,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548402259] [2022-10-15 22:06:28,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:28,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:28,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:28,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:28,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:28,896 INFO L87 Difference]: Start difference. First operand 2535 states and 4249 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:29,400 INFO L93 Difference]: Finished difference Result 4382 states and 7361 transitions. [2022-10-15 22:06:29,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:29,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-15 22:06:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:29,426 INFO L225 Difference]: With dead ends: 4382 [2022-10-15 22:06:29,426 INFO L226 Difference]: Without dead ends: 4379 [2022-10-15 22:06:29,428 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 22:06:29,431 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 491 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:29,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 798 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-10-15 22:06:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4347. [2022-10-15 22:06:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4309 states have (on average 1.6990020886516592) internal successors, (7321), 4346 states have internal predecessors, (7321), 0 states have call successors, (0), 0 states 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 22:06:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 7321 transitions. [2022-10-15 22:06:29,823 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 7321 transitions. Word has length 107 [2022-10-15 22:06:29,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:29,824 INFO L495 AbstractCegarLoop]: Abstraction has 4347 states and 7321 transitions. [2022-10-15 22:06:29,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 7321 transitions. [2022-10-15 22:06:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:06:29,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:29,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:29,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:06:29,830 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:29,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:29,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1716211803, now seen corresponding path program 1 times [2022-10-15 22:06:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:29,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380824611] [2022-10-15 22:06:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:30,052 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 22:06:30,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:30,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380824611] [2022-10-15 22:06:30,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380824611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:30,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:30,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:30,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335982619] [2022-10-15 22:06:30,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:30,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:30,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:30,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:30,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:30,055 INFO L87 Difference]: Start difference. First operand 4347 states and 7321 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 22:06:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:30,586 INFO L93 Difference]: Finished difference Result 4382 states and 7321 transitions. [2022-10-15 22:06:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:30,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-15 22:06:30,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:30,611 INFO L225 Difference]: With dead ends: 4382 [2022-10-15 22:06:30,612 INFO L226 Difference]: Without dead ends: 4379 [2022-10-15 22:06:30,617 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 22:06:30,622 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 487 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:30,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 801 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-10-15 22:06:30,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4347. [2022-10-15 22:06:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4309 states have (on average 1.689719192388025) internal successors, (7281), 4346 states have internal predecessors, (7281), 0 states have call successors, (0), 0 states 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 22:06:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 7281 transitions. [2022-10-15 22:06:31,026 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 7281 transitions. Word has length 108 [2022-10-15 22:06:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:31,027 INFO L495 AbstractCegarLoop]: Abstraction has 4347 states and 7281 transitions. [2022-10-15 22:06:31,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 22:06:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 7281 transitions. [2022-10-15 22:06:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:06:31,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:31,030 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] [2022-10-15 22:06:31,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:06:31,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:31,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:31,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1662958758, now seen corresponding path program 1 times [2022-10-15 22:06:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:31,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119377015] [2022-10-15 22:06:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:31,242 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 22:06:31,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:31,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119377015] [2022-10-15 22:06:31,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119377015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:31,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:31,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:31,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145448290] [2022-10-15 22:06:31,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:31,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:31,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:31,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:31,245 INFO L87 Difference]: Start difference. First operand 4347 states and 7281 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:31,820 INFO L93 Difference]: Finished difference Result 5580 states and 9301 transitions. [2022-10-15 22:06:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 22:06:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:31,851 INFO L225 Difference]: With dead ends: 5580 [2022-10-15 22:06:31,851 INFO L226 Difference]: Without dead ends: 5577 [2022-10-15 22:06:31,854 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 22:06:31,855 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 482 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:31,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 790 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2022-10-15 22:06:32,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5551. [2022-10-15 22:06:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5513 states have (on average 1.6798476328677672) internal successors, (9261), 5550 states have internal predecessors, (9261), 0 states have call successors, (0), 0 states 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 22:06:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 9261 transitions. [2022-10-15 22:06:32,475 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 9261 transitions. Word has length 109 [2022-10-15 22:06:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:32,476 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 9261 transitions. [2022-10-15 22:06:32,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 9261 transitions. [2022-10-15 22:06:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 22:06:32,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:32,480 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] [2022-10-15 22:06:32,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:06:32,489 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:32,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:32,490 INFO L85 PathProgramCache]: Analyzing trace with hash 12114365, now seen corresponding path program 1 times [2022-10-15 22:06:32,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:32,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873124884] [2022-10-15 22:06:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:32,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:32,720 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 22:06:32,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:32,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873124884] [2022-10-15 22:06:32,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873124884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:32,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:32,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:32,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591790603] [2022-10-15 22:06:32,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:32,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:32,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:32,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:32,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:32,723 INFO L87 Difference]: Start difference. First operand 5551 states and 9261 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:33,348 INFO L93 Difference]: Finished difference Result 5580 states and 9261 transitions. [2022-10-15 22:06:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:33,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-15 22:06:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:33,376 INFO L225 Difference]: With dead ends: 5580 [2022-10-15 22:06:33,376 INFO L226 Difference]: Without dead ends: 5577 [2022-10-15 22:06:33,379 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 22:06:33,380 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 478 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:33,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 793 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2022-10-15 22:06:33,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5551. [2022-10-15 22:06:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5513 states have (on average 1.6725920551423907) internal successors, (9221), 5550 states have internal predecessors, (9221), 0 states have call successors, (0), 0 states 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 22:06:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 9221 transitions. [2022-10-15 22:06:33,966 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 9221 transitions. Word has length 110 [2022-10-15 22:06:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:33,967 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 9221 transitions. [2022-10-15 22:06:33,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 9221 transitions. [2022-10-15 22:06:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:06:33,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:33,971 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] [2022-10-15 22:06:33,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:06:33,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 74250203, now seen corresponding path program 1 times [2022-10-15 22:06:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:33,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663539908] [2022-10-15 22:06:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:34,086 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 22:06:34,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:34,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663539908] [2022-10-15 22:06:34,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663539908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:34,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:34,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088446576] [2022-10-15 22:06:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:34,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:34,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:34,090 INFO L87 Difference]: Start difference. First operand 5551 states and 9221 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:34,830 INFO L93 Difference]: Finished difference Result 11148 states and 18503 transitions. [2022-10-15 22:06:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:34,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:06:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:34,856 INFO L225 Difference]: With dead ends: 11148 [2022-10-15 22:06:34,856 INFO L226 Difference]: Without dead ends: 8075 [2022-10-15 22:06:34,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:34,865 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 276 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:34,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2022-10-15 22:06:35,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 8037. [2022-10-15 22:06:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8037 states, 7999 states have (on average 1.6733341667708463) internal successors, (13385), 8036 states have internal predecessors, (13385), 0 states have call successors, (0), 0 states 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 22:06:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 13385 transitions. [2022-10-15 22:06:35,636 INFO L78 Accepts]: Start accepts. Automaton has 8037 states and 13385 transitions. Word has length 111 [2022-10-15 22:06:35,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:35,637 INFO L495 AbstractCegarLoop]: Abstraction has 8037 states and 13385 transitions. [2022-10-15 22:06:35,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 8037 states and 13385 transitions. [2022-10-15 22:06:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:06:35,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:35,640 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] [2022-10-15 22:06:35,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:06:35,640 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:35,641 INFO L85 PathProgramCache]: Analyzing trace with hash 375545736, now seen corresponding path program 1 times [2022-10-15 22:06:35,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:35,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647774273] [2022-10-15 22:06:35,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:35,934 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 22:06:35,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:35,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647774273] [2022-10-15 22:06:35,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647774273] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:35,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:35,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:35,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477841295] [2022-10-15 22:06:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:35,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:35,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:35,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:35,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:35,938 INFO L87 Difference]: Start difference. First operand 8037 states and 13385 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:37,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:37,309 INFO L93 Difference]: Finished difference Result 12594 states and 20733 transitions. [2022-10-15 22:06:37,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:37,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:06:37,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:37,371 INFO L225 Difference]: With dead ends: 12594 [2022-10-15 22:06:37,371 INFO L226 Difference]: Without dead ends: 12591 [2022-10-15 22:06:37,381 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 22:06:37,382 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 485 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:37,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 736 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:37,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12591 states. [2022-10-15 22:06:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12591 to 12587. [2022-10-15 22:06:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12587 states, 12551 states have (on average 1.6405864074575731) internal successors, (20591), 12586 states have internal predecessors, (20591), 0 states have call successors, (0), 0 states 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 22:06:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12587 states to 12587 states and 20591 transitions. [2022-10-15 22:06:38,603 INFO L78 Accepts]: Start accepts. Automaton has 12587 states and 20591 transitions. Word has length 111 [2022-10-15 22:06:38,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:38,604 INFO L495 AbstractCegarLoop]: Abstraction has 12587 states and 20591 transitions. [2022-10-15 22:06:38,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 12587 states and 20591 transitions. [2022-10-15 22:06:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:06:38,611 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:38,611 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] [2022-10-15 22:06:38,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:06:38,612 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:38,613 INFO L85 PathProgramCache]: Analyzing trace with hash -346054981, now seen corresponding path program 1 times [2022-10-15 22:06:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:38,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64541551] [2022-10-15 22:06:38,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:38,728 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 22:06:38,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:38,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64541551] [2022-10-15 22:06:38,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64541551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:38,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:38,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:38,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168597835] [2022-10-15 22:06:38,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:38,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:38,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:38,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:38,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:38,731 INFO L87 Difference]: Start difference. First operand 12587 states and 20591 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:40,043 INFO L93 Difference]: Finished difference Result 25343 states and 41693 transitions. [2022-10-15 22:06:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:06:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:40,113 INFO L225 Difference]: With dead ends: 25343 [2022-10-15 22:06:40,113 INFO L226 Difference]: Without dead ends: 18167 [2022-10-15 22:06:40,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:40,138 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 280 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:40,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1384 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:40,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18167 states. [2022-10-15 22:06:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18167 to 18131. [2022-10-15 22:06:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18131 states, 18095 states have (on average 1.6450953302017133) internal successors, (29768), 18130 states have internal predecessors, (29768), 0 states have call successors, (0), 0 states 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 22:06:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18131 states to 18131 states and 29768 transitions. [2022-10-15 22:06:42,225 INFO L78 Accepts]: Start accepts. Automaton has 18131 states and 29768 transitions. Word has length 111 [2022-10-15 22:06:42,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:42,225 INFO L495 AbstractCegarLoop]: Abstraction has 18131 states and 29768 transitions. [2022-10-15 22:06:42,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 18131 states and 29768 transitions. [2022-10-15 22:06:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 22:06:42,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:42,228 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] [2022-10-15 22:06:42,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:06:42,228 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:42,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:42,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1242983649, now seen corresponding path program 1 times [2022-10-15 22:06:42,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:42,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117523388] [2022-10-15 22:06:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:42,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:42,442 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 22:06:42,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:42,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117523388] [2022-10-15 22:06:42,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117523388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:42,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:42,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:42,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920980168] [2022-10-15 22:06:42,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:42,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:42,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:42,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:42,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:42,498 INFO L87 Difference]: Start difference. First operand 18131 states and 29768 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:45,109 INFO L93 Difference]: Finished difference Result 29489 states and 48594 transitions. [2022-10-15 22:06:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 22:06:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:45,180 INFO L225 Difference]: With dead ends: 29489 [2022-10-15 22:06:45,181 INFO L226 Difference]: Without dead ends: 29486 [2022-10-15 22:06:45,196 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 22:06:45,203 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 481 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:45,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 781 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:45,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29486 states. [2022-10-15 22:06:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29486 to 29454. [2022-10-15 22:06:47,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29454 states, 29418 states have (on average 1.6416479706302265) internal successors, (48294), 29453 states have internal predecessors, (48294), 0 states have call successors, (0), 0 states 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 22:06:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29454 states to 29454 states and 48294 transitions. [2022-10-15 22:06:47,625 INFO L78 Accepts]: Start accepts. Automaton has 29454 states and 48294 transitions. Word has length 112 [2022-10-15 22:06:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:47,626 INFO L495 AbstractCegarLoop]: Abstraction has 29454 states and 48294 transitions. [2022-10-15 22:06:47,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29454 states and 48294 transitions. [2022-10-15 22:06:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-15 22:06:47,629 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:47,629 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] [2022-10-15 22:06:47,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:06:47,629 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:47,630 INFO L85 PathProgramCache]: Analyzing trace with hash -383962595, now seen corresponding path program 1 times [2022-10-15 22:06:47,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:47,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942687583] [2022-10-15 22:06:47,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:47,753 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 22:06:47,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:47,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942687583] [2022-10-15 22:06:47,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942687583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:47,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:47,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:47,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739998521] [2022-10-15 22:06:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:47,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:47,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:47,756 INFO L87 Difference]: Start difference. First operand 29454 states and 48294 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states 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 22:06:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:51,279 INFO L93 Difference]: Finished difference Result 62229 states and 102211 transitions. [2022-10-15 22:06:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:51,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-15 22:06:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:51,377 INFO L225 Difference]: With dead ends: 62229 [2022-10-15 22:06:51,378 INFO L226 Difference]: Without dead ends: 43356 [2022-10-15 22:06:51,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:51,414 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 268 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:51,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1363 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:51,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43356 states. [2022-10-15 22:06:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43356 to 43320. [2022-10-15 22:06:55,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43320 states, 43284 states have (on average 1.6404214028278348) internal successors, (71004), 43319 states have internal predecessors, (71004), 0 states have call successors, (0), 0 states 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 22:06:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43320 states to 43320 states and 71004 transitions. [2022-10-15 22:06:55,743 INFO L78 Accepts]: Start accepts. Automaton has 43320 states and 71004 transitions. Word has length 113 [2022-10-15 22:06:55,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:55,743 INFO L495 AbstractCegarLoop]: Abstraction has 43320 states and 71004 transitions. [2022-10-15 22:06:55,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states 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 22:06:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 43320 states and 71004 transitions. [2022-10-15 22:06:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:06:55,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:55,745 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] [2022-10-15 22:06:55,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:06:55,745 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:06:55,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash -506364767, now seen corresponding path program 1 times [2022-10-15 22:06:55,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:55,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688525367] [2022-10-15 22:06:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:55,934 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 22:06:55,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:55,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688525367] [2022-10-15 22:06:55,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688525367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:55,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:55,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:55,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78140912] [2022-10-15 22:06:55,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:55,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:55,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:55,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:55,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:55,937 INFO L87 Difference]: Start difference. First operand 43320 states and 71004 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 22:07:02,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:02,142 INFO L93 Difference]: Finished difference Result 66358 states and 107909 transitions. [2022-10-15 22:07:02,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:02,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-15 22:07:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:02,353 INFO L225 Difference]: With dead ends: 66358 [2022-10-15 22:07:02,353 INFO L226 Difference]: Without dead ends: 66357 [2022-10-15 22:07:02,384 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 22:07:02,385 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 484 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:02,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 726 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:07:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66357 states. [2022-10-15 22:07:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66357 to 66226. [2022-10-15 22:07:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66226 states, 66190 states have (on average 1.6227526816739688) internal successors, (107410), 66225 states have internal predecessors, (107410), 0 states have call successors, (0), 0 states 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 22:07:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66226 states to 66226 states and 107410 transitions. [2022-10-15 22:07:09,992 INFO L78 Accepts]: Start accepts. Automaton has 66226 states and 107410 transitions. Word has length 114 [2022-10-15 22:07:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:09,992 INFO L495 AbstractCegarLoop]: Abstraction has 66226 states and 107410 transitions. [2022-10-15 22:07:09,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 22:07:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 66226 states and 107410 transitions. [2022-10-15 22:07:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:07:10,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:10,002 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] [2022-10-15 22:07:10,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:07:10,004 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 22:07:10,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:10,004 INFO L85 PathProgramCache]: Analyzing trace with hash -853992353, now seen corresponding path program 1 times [2022-10-15 22:07:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:10,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080924041] [2022-10-15 22:07:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:10,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:10,139 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 22:07:10,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:10,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080924041] [2022-10-15 22:07:10,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080924041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:10,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:10,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977673368] [2022-10-15 22:07:10,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:10,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:10,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:10,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:10,144 INFO L87 Difference]: Start difference. First operand 66226 states and 107410 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states 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 22:07:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:19,785 INFO L93 Difference]: Finished difference Result 133441 states and 216717 transitions. [2022-10-15 22:07:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:19,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-15 22:07:19,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.