/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:13:03,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:13:03,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:13:03,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:13:03,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:13:03,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:13:03,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:13:03,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:13:03,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:13:03,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:13:03,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:13:03,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:13:03,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:13:03,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:13:03,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:13:03,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:13:03,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:13:03,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:13:03,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:13:03,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:13:03,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:13:03,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:13:03,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:13:03,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:13:03,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:13:03,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:13:03,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:13:03,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:13:03,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:13:03,701 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:13:03,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:13:03,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:13:03,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:13:03,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:13:03,704 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:13:03,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:13:03,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:13:03,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:13:03,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:13:03,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:13:03,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:13:03,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:13:03,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:03,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:13:03,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:13:03,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:13:03,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:13:03,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:13:03,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:13:03,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:13:04,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:13:04,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:13:04,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:13:04,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:13:04,117 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:13:04,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:13:04,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6eb7dd8/9becff3b098f4ee09fa67d6aea30e5aa/FLAGda939a04e [2022-10-16 15:13:04,847 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:13:04,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:13:04,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6eb7dd8/9becff3b098f4ee09fa67d6aea30e5aa/FLAGda939a04e [2022-10-16 15:13:05,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6eb7dd8/9becff3b098f4ee09fa67d6aea30e5aa [2022-10-16 15:13:05,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:13:05,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:13:05,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:05,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:13:05,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:13:05,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3ed97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05, skipping insertion in model container [2022-10-16 15:13:05,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:13:05,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:13:05,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c[12667,12680] [2022-10-16 15:13:05,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:05,658 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:13:05,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c[12667,12680] [2022-10-16 15:13:05,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:05,751 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:13:05,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05 WrapperNode [2022-10-16 15:13:05,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:05,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:05,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:13:05,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:13:05,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,825 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 408 [2022-10-16 15:13:05,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:05,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:13:05,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:13:05,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:13:05,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:13:05,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:13:05,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:13:05,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:13:05,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (1/1) ... [2022-10-16 15:13:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:13:05,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:13:05,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:13:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:13:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:13:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:13:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:13:06,135 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:13:06,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:13:06,914 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:13:06,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:13:06,927 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:13:06,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:06 BoogieIcfgContainer [2022-10-16 15:13:06,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:13:06,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:13:06,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:13:06,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:13:06,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:05" (1/3) ... [2022-10-16 15:13:06,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7c912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:06, skipping insertion in model container [2022-10-16 15:13:06,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:05" (2/3) ... [2022-10-16 15:13:06,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7c912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:06, skipping insertion in model container [2022-10-16 15:13:06,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:06" (3/3) ... [2022-10-16 15:13:06,940 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:13:06,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:13:06,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-16 15:13:07,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:13:07,055 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;@2b7668a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:13:07,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-16 15:13:07,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 144 states have (on average 1.7569444444444444) internal successors, (253), 170 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:13:07,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:07,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:13:07,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:07,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:07,105 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:13:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:07,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474259416] [2022-10-16 15:13:07,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:07,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:07,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474259416] [2022-10-16 15:13:07,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474259416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:07,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:07,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:13:07,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563874208] [2022-10-16 15:13:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:07,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:13:07,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:07,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:13:07,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:13:07,454 INFO L87 Difference]: Start difference. First operand has 171 states, 144 states have (on average 1.7569444444444444) internal successors, (253), 170 states have internal predecessors, (253), 0 states have call successors, (0), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:07,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:07,495 INFO L93 Difference]: Finished difference Result 283 states and 417 transitions. [2022-10-16 15:13:07,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:13:07,498 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 15:13:07,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:07,511 INFO L225 Difference]: With dead ends: 283 [2022-10-16 15:13:07,511 INFO L226 Difference]: Without dead ends: 156 [2022-10-16 15:13:07,516 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 [2022-10-16 15:13:07,521 INFO L413 NwaCegarLoop]: 236 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, 236 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:07,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-10-16 15:13:07,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-10-16 15:13:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 155 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 235 transitions. [2022-10-16 15:13:07,584 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 235 transitions. Word has length 4 [2022-10-16 15:13:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:07,584 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 235 transitions. [2022-10-16 15:13:07,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 235 transitions. [2022-10-16 15:13:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 15:13:07,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:07,588 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] [2022-10-16 15:13:07,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:13:07,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:07,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:07,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1859817968, now seen corresponding path program 1 times [2022-10-16 15:13:07,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:07,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871720368] [2022-10-16 15:13:07,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:07,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:07,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871720368] [2022-10-16 15:13:07,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871720368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:07,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:07,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66993218] [2022-10-16 15:13:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:07,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:07,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:07,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:07,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:07,991 INFO L87 Difference]: Start difference. First operand 156 states and 235 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:08,105 INFO L93 Difference]: Finished difference Result 270 states and 396 transitions. [2022-10-16 15:13:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:13:08,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-16 15:13:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:08,108 INFO L225 Difference]: With dead ends: 270 [2022-10-16 15:13:08,109 INFO L226 Difference]: Without dead ends: 156 [2022-10-16 15:13:08,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:08,112 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 3 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:08,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 897 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-10-16 15:13:08,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-10-16 15:13:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 140 states have (on average 1.45) internal successors, (203), 155 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 203 transitions. [2022-10-16 15:13:08,128 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 203 transitions. Word has length 29 [2022-10-16 15:13:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:08,129 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 203 transitions. [2022-10-16 15:13:08,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 203 transitions. [2022-10-16 15:13:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:13:08,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:08,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:08,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:13:08,133 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1508457507, now seen corresponding path program 1 times [2022-10-16 15:13:08,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:08,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847570092] [2022-10-16 15:13:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:08,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:08,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847570092] [2022-10-16 15:13:08,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847570092] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:08,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:08,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:08,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229190764] [2022-10-16 15:13:08,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:08,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:08,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:08,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,338 INFO L87 Difference]: Start difference. First operand 156 states and 203 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:08,396 INFO L93 Difference]: Finished difference Result 364 states and 497 transitions. [2022-10-16 15:13:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:08,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:13:08,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:08,400 INFO L225 Difference]: With dead ends: 364 [2022-10-16 15:13:08,400 INFO L226 Difference]: Without dead ends: 254 [2022-10-16 15:13:08,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,403 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:08,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 474 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-10-16 15:13:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2022-10-16 15:13:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 222 states have (on average 1.527027027027027) internal successors, (339), 237 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 339 transitions. [2022-10-16 15:13:08,428 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 339 transitions. Word has length 68 [2022-10-16 15:13:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:08,429 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 339 transitions. [2022-10-16 15:13:08,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 339 transitions. [2022-10-16 15:13:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:13:08,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:08,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:08,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:13:08,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:08,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:08,440 INFO L85 PathProgramCache]: Analyzing trace with hash -456741229, now seen corresponding path program 1 times [2022-10-16 15:13:08,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:08,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33163338] [2022-10-16 15:13:08,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:08,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:08,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33163338] [2022-10-16 15:13:08,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33163338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:08,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:08,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:08,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352228526] [2022-10-16 15:13:08,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:08,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:08,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:08,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:08,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,632 INFO L87 Difference]: Start difference. First operand 238 states and 339 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:08,668 INFO L93 Difference]: Finished difference Result 598 states and 885 transitions. [2022-10-16 15:13:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:08,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:13:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:08,674 INFO L225 Difference]: With dead ends: 598 [2022-10-16 15:13:08,674 INFO L226 Difference]: Without dead ends: 406 [2022-10-16 15:13:08,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,677 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 136 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:08,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 465 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-16 15:13:08,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 390. [2022-10-16 15:13:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.5775401069518717) internal successors, (590), 389 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 590 transitions. [2022-10-16 15:13:08,713 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 590 transitions. Word has length 69 [2022-10-16 15:13:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:08,713 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 590 transitions. [2022-10-16 15:13:08,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 590 transitions. [2022-10-16 15:13:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:13:08,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:08,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:08,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:13:08,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:08,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:08,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1117033683, now seen corresponding path program 1 times [2022-10-16 15:13:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:08,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156067952] [2022-10-16 15:13:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:08,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156067952] [2022-10-16 15:13:08,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156067952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:08,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:08,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:08,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152318604] [2022-10-16 15:13:08,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:08,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:08,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:08,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,853 INFO L87 Difference]: Start difference. First operand 390 states and 590 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:08,928 INFO L93 Difference]: Finished difference Result 1030 states and 1598 transitions. [2022-10-16 15:13:08,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:08,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:13:08,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:08,938 INFO L225 Difference]: With dead ends: 1030 [2022-10-16 15:13:08,939 INFO L226 Difference]: Without dead ends: 686 [2022-10-16 15:13:08,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:08,942 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 131 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:08,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 456 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-10-16 15:13:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 670. [2022-10-16 15:13:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 654 states have (on average 1.6055045871559632) internal successors, (1050), 669 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1050 transitions. [2022-10-16 15:13:08,988 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1050 transitions. Word has length 70 [2022-10-16 15:13:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:08,989 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 1050 transitions. [2022-10-16 15:13:08,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1050 transitions. [2022-10-16 15:13:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:13:08,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:08,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:08,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:13:08,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:08,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash -342599069, now seen corresponding path program 1 times [2022-10-16 15:13:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:08,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022181012] [2022-10-16 15:13:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:08,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:09,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:09,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022181012] [2022-10-16 15:13:09,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022181012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:09,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:09,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:09,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176869100] [2022-10-16 15:13:09,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:09,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:09,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:09,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:09,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:09,097 INFO L87 Difference]: Start difference. First operand 670 states and 1050 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:09,152 INFO L93 Difference]: Finished difference Result 1822 states and 2898 transitions. [2022-10-16 15:13:09,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:09,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:13:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:09,161 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 15:13:09,161 INFO L226 Difference]: Without dead ends: 1198 [2022-10-16 15:13:09,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:09,164 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 126 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:09,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 447 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-10-16 15:13:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1182. [2022-10-16 15:13:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1166 states have (on average 1.6174957118353346) internal successors, (1886), 1181 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1886 transitions. [2022-10-16 15:13:09,224 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1886 transitions. Word has length 71 [2022-10-16 15:13:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:09,225 INFO L495 AbstractCegarLoop]: Abstraction has 1182 states and 1886 transitions. [2022-10-16 15:13:09,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1886 transitions. [2022-10-16 15:13:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:13:09,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:09,251 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] [2022-10-16 15:13:09,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:13:09,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:09,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:09,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1270730115, now seen corresponding path program 1 times [2022-10-16 15:13:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:09,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233818325] [2022-10-16 15:13:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:09,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:09,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233818325] [2022-10-16 15:13:09,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233818325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:09,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:09,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:09,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416936700] [2022-10-16 15:13:09,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:09,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:13:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:13:09,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:09,457 INFO L87 Difference]: Start difference. First operand 1182 states and 1886 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:09,768 INFO L93 Difference]: Finished difference Result 3452 states and 5566 transitions. [2022-10-16 15:13:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:13:09,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 15:13:09,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:09,794 INFO L225 Difference]: With dead ends: 3452 [2022-10-16 15:13:09,794 INFO L226 Difference]: Without dead ends: 3450 [2022-10-16 15:13:09,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:09,802 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 467 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:09,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 521 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2022-10-16 15:13:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 2302. [2022-10-16 15:13:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 2286 states have (on average 1.615923009623797) internal successors, (3694), 2301 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3694 transitions. [2022-10-16 15:13:09,961 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3694 transitions. Word has length 72 [2022-10-16 15:13:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:09,963 INFO L495 AbstractCegarLoop]: Abstraction has 2302 states and 3694 transitions. [2022-10-16 15:13:09,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3694 transitions. [2022-10-16 15:13:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:13:09,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:09,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:09,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:13:09,966 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash -737927350, now seen corresponding path program 1 times [2022-10-16 15:13:09,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:09,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844327731] [2022-10-16 15:13:09,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:10,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:10,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844327731] [2022-10-16 15:13:10,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844327731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:10,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:10,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:10,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520636863] [2022-10-16 15:13:10,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:10,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:13:10,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:10,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:13:10,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:10,151 INFO L87 Difference]: Start difference. First operand 2302 states and 3694 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:10,413 INFO L93 Difference]: Finished difference Result 3436 states and 5534 transitions. [2022-10-16 15:13:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:13:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:13:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:10,432 INFO L225 Difference]: With dead ends: 3436 [2022-10-16 15:13:10,432 INFO L226 Difference]: Without dead ends: 3434 [2022-10-16 15:13:10,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:10,434 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 462 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:10,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 311 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:10,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2022-10-16 15:13:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3422. [2022-10-16 15:13:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3422 states, 3406 states have (on average 1.6059894304169113) internal successors, (5470), 3421 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 5470 transitions. [2022-10-16 15:13:10,617 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 5470 transitions. Word has length 73 [2022-10-16 15:13:10,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:10,618 INFO L495 AbstractCegarLoop]: Abstraction has 3422 states and 5470 transitions. [2022-10-16 15:13:10,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:10,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 5470 transitions. [2022-10-16 15:13:10,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:13:10,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:10,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:10,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:13:10,620 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:10,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:10,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1400910817, now seen corresponding path program 1 times [2022-10-16 15:13:10,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:10,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841241065] [2022-10-16 15:13:10,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:10,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:10,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:10,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841241065] [2022-10-16 15:13:10,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841241065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:10,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:10,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:13:10,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031289123] [2022-10-16 15:13:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:10,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:10,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:10,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:10,749 INFO L87 Difference]: Start difference. First operand 3422 states and 5470 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:11,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:11,212 INFO L93 Difference]: Finished difference Result 5698 states and 9054 transitions. [2022-10-16 15:13:11,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:13:11,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:13:11,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:11,244 INFO L225 Difference]: With dead ends: 5698 [2022-10-16 15:13:11,244 INFO L226 Difference]: Without dead ends: 5696 [2022-10-16 15:13:11,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:13:11,247 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 788 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:11,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 858 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5696 states. [2022-10-16 15:13:11,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5696 to 4542. [2022-10-16 15:13:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4542 states, 4526 states have (on average 1.5939019001325674) internal successors, (7214), 4541 states have internal predecessors, (7214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 7214 transitions. [2022-10-16 15:13:11,543 INFO L78 Accepts]: Start accepts. Automaton has 4542 states and 7214 transitions. Word has length 74 [2022-10-16 15:13:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:11,544 INFO L495 AbstractCegarLoop]: Abstraction has 4542 states and 7214 transitions. [2022-10-16 15:13:11,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4542 states and 7214 transitions. [2022-10-16 15:13:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:13:11,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:11,546 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] [2022-10-16 15:13:11,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:13:11,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash -478561812, now seen corresponding path program 1 times [2022-10-16 15:13:11,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:11,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009216729] [2022-10-16 15:13:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:11,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:11,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009216729] [2022-10-16 15:13:11,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009216729] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:11,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:11,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:13:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769702732] [2022-10-16 15:13:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:11,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:11,665 INFO L87 Difference]: Start difference. First operand 4542 states and 7214 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:12,050 INFO L93 Difference]: Finished difference Result 5686 states and 9022 transitions. [2022-10-16 15:13:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:13:12,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 15:13:12,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:12,082 INFO L225 Difference]: With dead ends: 5686 [2022-10-16 15:13:12,083 INFO L226 Difference]: Without dead ends: 5684 [2022-10-16 15:13:12,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:13:12,086 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 807 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:12,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 534 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5684 states. [2022-10-16 15:13:12,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5684 to 5662. [2022-10-16 15:13:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5646 states have (on average 1.5809422600070846) internal successors, (8926), 5661 states have internal predecessors, (8926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 8926 transitions. [2022-10-16 15:13:12,433 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 8926 transitions. Word has length 75 [2022-10-16 15:13:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:12,434 INFO L495 AbstractCegarLoop]: Abstraction has 5662 states and 8926 transitions. [2022-10-16 15:13:12,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 8926 transitions. [2022-10-16 15:13:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:13:12,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:12,436 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] [2022-10-16 15:13:12,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:13:12,436 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1950513727, now seen corresponding path program 1 times [2022-10-16 15:13:12,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:12,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521296760] [2022-10-16 15:13:12,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:12,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:12,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521296760] [2022-10-16 15:13:12,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521296760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:12,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:12,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089862102] [2022-10-16 15:13:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:12,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:12,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:12,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:12,560 INFO L87 Difference]: Start difference. First operand 5662 states and 8926 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:13,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:13,223 INFO L93 Difference]: Finished difference Result 9060 states and 14222 transitions. [2022-10-16 15:13:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:13:13,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 15:13:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:13,269 INFO L225 Difference]: With dead ends: 9060 [2022-10-16 15:13:13,270 INFO L226 Difference]: Without dead ends: 9058 [2022-10-16 15:13:13,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:13:13,276 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 1215 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:13,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1218 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:13,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9058 states. [2022-10-16 15:13:13,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9058 to 6782. [2022-10-16 15:13:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 6766 states have (on average 1.5675436003547147) internal successors, (10606), 6781 states have internal predecessors, (10606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 10606 transitions. [2022-10-16 15:13:13,702 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 10606 transitions. Word has length 76 [2022-10-16 15:13:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:13,702 INFO L495 AbstractCegarLoop]: Abstraction has 6782 states and 10606 transitions. [2022-10-16 15:13:13,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 10606 transitions. [2022-10-16 15:13:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:13:13,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:13,704 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] [2022-10-16 15:13:13,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:13:13,705 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:13,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:13,705 INFO L85 PathProgramCache]: Analyzing trace with hash -336382834, now seen corresponding path program 1 times [2022-10-16 15:13:13,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:13,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957304910] [2022-10-16 15:13:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:13,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957304910] [2022-10-16 15:13:13,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957304910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:13,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:13,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:13,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281115999] [2022-10-16 15:13:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:13,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:13,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:13,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:13,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:13,828 INFO L87 Difference]: Start difference. First operand 6782 states and 10606 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:14,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:14,501 INFO L93 Difference]: Finished difference Result 9054 states and 14126 transitions. [2022-10-16 15:13:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:13:14,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 15:13:14,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:14,526 INFO L225 Difference]: With dead ends: 9054 [2022-10-16 15:13:14,526 INFO L226 Difference]: Without dead ends: 9052 [2022-10-16 15:13:14,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:13:14,531 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 1115 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:14,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 868 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:14,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9052 states. [2022-10-16 15:13:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9052 to 9022. [2022-10-16 15:13:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9022 states, 9006 states have (on average 1.5542971352431711) internal successors, (13998), 9021 states have internal predecessors, (13998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9022 states to 9022 states and 13998 transitions. [2022-10-16 15:13:15,069 INFO L78 Accepts]: Start accepts. Automaton has 9022 states and 13998 transitions. Word has length 77 [2022-10-16 15:13:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:15,069 INFO L495 AbstractCegarLoop]: Abstraction has 9022 states and 13998 transitions. [2022-10-16 15:13:15,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9022 states and 13998 transitions. [2022-10-16 15:13:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:13:15,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:15,071 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] [2022-10-16 15:13:15,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:13:15,071 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:15,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash 659963982, now seen corresponding path program 1 times [2022-10-16 15:13:15,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:15,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991334883] [2022-10-16 15:13:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:15,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:15,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991334883] [2022-10-16 15:13:15,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991334883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:15,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:15,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:15,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345220860] [2022-10-16 15:13:15,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:15,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:15,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:15,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:15,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:15,141 INFO L87 Difference]: Start difference. First operand 9022 states and 13998 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:15,922 INFO L93 Difference]: Finished difference Result 25438 states and 39470 transitions. [2022-10-16 15:13:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:15,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 15:13:15,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:16,030 INFO L225 Difference]: With dead ends: 25438 [2022-10-16 15:13:16,031 INFO L226 Difference]: Without dead ends: 16462 [2022-10-16 15:13:16,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:16,044 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 141 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:16,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 496 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:16,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16462 states. [2022-10-16 15:13:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16462 to 16446. [2022-10-16 15:13:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16446 states, 16430 states have (on average 1.5453438831405966) internal successors, (25390), 16445 states have internal predecessors, (25390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16446 states to 16446 states and 25390 transitions. [2022-10-16 15:13:17,099 INFO L78 Accepts]: Start accepts. Automaton has 16446 states and 25390 transitions. Word has length 78 [2022-10-16 15:13:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:17,099 INFO L495 AbstractCegarLoop]: Abstraction has 16446 states and 25390 transitions. [2022-10-16 15:13:17,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 16446 states and 25390 transitions. [2022-10-16 15:13:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:13:17,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:17,102 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] [2022-10-16 15:13:17,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:13:17,102 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:17,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1837932701, now seen corresponding path program 1 times [2022-10-16 15:13:17,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:17,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087022215] [2022-10-16 15:13:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:17,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:17,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:17,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087022215] [2022-10-16 15:13:17,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087022215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:17,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:17,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:13:17,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736798344] [2022-10-16 15:13:17,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:17,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:13:17,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:17,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:13:17,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:17,252 INFO L87 Difference]: Start difference. First operand 16446 states and 25390 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:18,917 INFO L93 Difference]: Finished difference Result 41072 states and 63406 transitions. [2022-10-16 15:13:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:13:18,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 15:13:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:18,978 INFO L225 Difference]: With dead ends: 41072 [2022-10-16 15:13:18,978 INFO L226 Difference]: Without dead ends: 24672 [2022-10-16 15:13:19,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:13:19,005 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 1488 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:19,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 1411 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:13:19,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24672 states. [2022-10-16 15:13:20,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24672 to 18494. [2022-10-16 15:13:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18494 states, 18478 states have (on average 1.5281956921744777) internal successors, (28238), 18493 states have internal predecessors, (28238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18494 states to 18494 states and 28238 transitions. [2022-10-16 15:13:20,113 INFO L78 Accepts]: Start accepts. Automaton has 18494 states and 28238 transitions. Word has length 78 [2022-10-16 15:13:20,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:20,113 INFO L495 AbstractCegarLoop]: Abstraction has 18494 states and 28238 transitions. [2022-10-16 15:13:20,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 18494 states and 28238 transitions. [2022-10-16 15:13:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:13:20,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:20,115 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] [2022-10-16 15:13:20,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:13:20,115 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:20,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1141338320, now seen corresponding path program 1 times [2022-10-16 15:13:20,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:20,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500326676] [2022-10-16 15:13:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:20,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:20,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500326676] [2022-10-16 15:13:20,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500326676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:20,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:20,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:13:20,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271414606] [2022-10-16 15:13:20,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:20,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:13:20,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:13:20,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:20,260 INFO L87 Difference]: Start difference. First operand 18494 states and 28238 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:22,443 INFO L93 Difference]: Finished difference Result 32892 states and 50606 transitions. [2022-10-16 15:13:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 15:13:22,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 15:13:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:22,524 INFO L225 Difference]: With dead ends: 32892 [2022-10-16 15:13:22,524 INFO L226 Difference]: Without dead ends: 32890 [2022-10-16 15:13:22,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 15:13:22,535 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 2012 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:22,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 1322 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:13:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32890 states. [2022-10-16 15:13:24,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32890 to 32830. [2022-10-16 15:13:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32830 states, 32814 states have (on average 1.5246541110501615) internal successors, (50030), 32829 states have internal predecessors, (50030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32830 states to 32830 states and 50030 transitions. [2022-10-16 15:13:24,197 INFO L78 Accepts]: Start accepts. Automaton has 32830 states and 50030 transitions. Word has length 79 [2022-10-16 15:13:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:24,197 INFO L495 AbstractCegarLoop]: Abstraction has 32830 states and 50030 transitions. [2022-10-16 15:13:24,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 32830 states and 50030 transitions. [2022-10-16 15:13:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:13:24,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:24,202 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:24,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:13:24,202 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:24,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1732244354, now seen corresponding path program 1 times [2022-10-16 15:13:24,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:24,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911489163] [2022-10-16 15:13:24,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:24,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:24,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911489163] [2022-10-16 15:13:24,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911489163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:24,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:24,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185152867] [2022-10-16 15:13:24,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:24,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:24,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:24,313 INFO L87 Difference]: Start difference. First operand 32830 states and 50030 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) 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) [2022-10-16 15:13:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:26,932 INFO L93 Difference]: Finished difference Result 96606 states and 146926 transitions. [2022-10-16 15:13:26,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:26,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) 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 [2022-10-16 15:13:26,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:27,067 INFO L225 Difference]: With dead ends: 96606 [2022-10-16 15:13:27,068 INFO L226 Difference]: Without dead ends: 63822 [2022-10-16 15:13:27,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:27,110 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 108 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:27,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 407 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:27,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63822 states. [2022-10-16 15:13:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63822 to 63806. [2022-10-16 15:13:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63806 states, 63790 states have (on average 1.5116789465433453) internal successors, (96430), 63805 states have internal predecessors, (96430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63806 states to 63806 states and 96430 transitions. [2022-10-16 15:13:30,472 INFO L78 Accepts]: Start accepts. Automaton has 63806 states and 96430 transitions. Word has length 110 [2022-10-16 15:13:30,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:30,474 INFO L495 AbstractCegarLoop]: Abstraction has 63806 states and 96430 transitions. [2022-10-16 15:13:30,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) 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) [2022-10-16 15:13:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 63806 states and 96430 transitions. [2022-10-16 15:13:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:13:30,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:30,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:30,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:13:30,489 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:30,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:30,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1378965239, now seen corresponding path program 1 times [2022-10-16 15:13:30,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:30,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067459539] [2022-10-16 15:13:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:30,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:13:30,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:30,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067459539] [2022-10-16 15:13:30,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067459539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:30,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:30,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074669005] [2022-10-16 15:13:30,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:30,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:13:30,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:30,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:13:30,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:30,660 INFO L87 Difference]: Start difference. First operand 63806 states and 96430 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:33,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:33,719 INFO L93 Difference]: Finished difference Result 87734 states and 133486 transitions. [2022-10-16 15:13:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:13:33,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 [2022-10-16 15:13:33,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:33,861 INFO L225 Difference]: With dead ends: 87734 [2022-10-16 15:13:33,861 INFO L226 Difference]: Without dead ends: 87732 [2022-10-16 15:13:33,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:33,882 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 243 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:33,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 584 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:33,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87732 states. [2022-10-16 15:13:37,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87732 to 71774. [2022-10-16 15:13:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71774 states, 71758 states have (on average 1.5159564090415005) internal successors, (108782), 71773 states have internal predecessors, (108782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71774 states to 71774 states and 108782 transitions. [2022-10-16 15:13:38,049 INFO L78 Accepts]: Start accepts. Automaton has 71774 states and 108782 transitions. Word has length 111 [2022-10-16 15:13:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:38,053 INFO L495 AbstractCegarLoop]: Abstraction has 71774 states and 108782 transitions. [2022-10-16 15:13:38,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 71774 states and 108782 transitions. [2022-10-16 15:13:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:13:38,062 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:38,063 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:38,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:13:38,063 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash 674449008, now seen corresponding path program 1 times [2022-10-16 15:13:38,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:38,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830019537] [2022-10-16 15:13:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:38,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:38,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830019537] [2022-10-16 15:13:38,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830019537] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:38,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:38,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:38,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602738438] [2022-10-16 15:13:38,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:38,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:38,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:38,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:38,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:38,158 INFO L87 Difference]: Start difference. First operand 71774 states and 108782 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) 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) [2022-10-16 15:13:44,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:44,216 INFO L93 Difference]: Finished difference Result 211198 states and 319342 transitions. [2022-10-16 15:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) 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 [2022-10-16 15:13:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:44,474 INFO L225 Difference]: With dead ends: 211198 [2022-10-16 15:13:44,474 INFO L226 Difference]: Without dead ends: 139470 [2022-10-16 15:13:44,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:44,549 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 109 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:44,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 420 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139470 states. [2022-10-16 15:13:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139470 to 139454. [2022-10-16 15:13:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139454 states, 139438 states have (on average 1.5021299789153602) internal successors, (209454), 139453 states have internal predecessors, (209454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139454 states to 139454 states and 209454 transitions. [2022-10-16 15:13:51,799 INFO L78 Accepts]: Start accepts. Automaton has 139454 states and 209454 transitions. Word has length 112 [2022-10-16 15:13:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:51,800 INFO L495 AbstractCegarLoop]: Abstraction has 139454 states and 209454 transitions. [2022-10-16 15:13:51,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) 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) [2022-10-16 15:13:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 139454 states and 209454 transitions. [2022-10-16 15:13:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:13:51,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:51,811 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:51,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:13:51,811 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:13:51,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1093136359, now seen corresponding path program 1 times [2022-10-16 15:13:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:51,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120904865] [2022-10-16 15:13:51,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:51,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:13:51,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:51,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120904865] [2022-10-16 15:13:51,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120904865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:51,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:51,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:51,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526616645] [2022-10-16 15:13:51,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:51,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:51,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:51,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:51,916 INFO L87 Difference]: Start difference. First operand 139454 states and 209454 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) 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) [2022-10-16 15:14:00,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:00,107 INFO L93 Difference]: Finished difference Result 312470 states and 467632 transitions. [2022-10-16 15:14:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:00,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) 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 113 [2022-10-16 15:14:00,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:00,432 INFO L225 Difference]: With dead ends: 312470 [2022-10-16 15:14:00,432 INFO L226 Difference]: Without dead ends: 173062 [2022-10-16 15:14:00,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:00,566 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 85 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:00,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 352 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173062 states. [2022-10-16 15:14:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173062 to 171776. [2022-10-16 15:14:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171776 states, 171760 states have (on average 1.488495575221239) internal successors, (255664), 171775 states have internal predecessors, (255664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171776 states to 171776 states and 255664 transitions. [2022-10-16 15:14:10,032 INFO L78 Accepts]: Start accepts. Automaton has 171776 states and 255664 transitions. Word has length 113 [2022-10-16 15:14:10,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:10,033 INFO L495 AbstractCegarLoop]: Abstraction has 171776 states and 255664 transitions. [2022-10-16 15:14:10,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) 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) [2022-10-16 15:14:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 171776 states and 255664 transitions. [2022-10-16 15:14:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:14:10,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:10,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:10,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:14:10,045 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:14:10,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:10,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1155175973, now seen corresponding path program 1 times [2022-10-16 15:14:10,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:10,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198670104] [2022-10-16 15:14:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:10,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:10,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198670104] [2022-10-16 15:14:10,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198670104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:10,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:10,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:10,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089819067] [2022-10-16 15:14:10,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:10,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:10,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:10,130 INFO L87 Difference]: Start difference. First operand 171776 states and 255664 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) [2022-10-16 15:14:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:26,187 INFO L93 Difference]: Finished difference Result 509344 states and 756912 transitions. [2022-10-16 15:14:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:26,188 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 [2022-10-16 15:14:26,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:27,142 INFO L225 Difference]: With dead ends: 509344 [2022-10-16 15:14:27,143 INFO L226 Difference]: Without dead ends: 337616 [2022-10-16 15:14:27,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:27,353 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 105 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:27,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 404 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337616 states. [2022-10-16 15:14:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337616 to 337600. [2022-10-16 15:14:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337600 states, 337584 states have (on average 1.4762311010000473) internal successors, (498352), 337599 states have internal predecessors, (498352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337600 states to 337600 states and 498352 transitions. [2022-10-16 15:14:46,318 INFO L78 Accepts]: Start accepts. Automaton has 337600 states and 498352 transitions. Word has length 113 [2022-10-16 15:14:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:46,318 INFO L495 AbstractCegarLoop]: Abstraction has 337600 states and 498352 transitions. [2022-10-16 15:14:46,319 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) [2022-10-16 15:14:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 337600 states and 498352 transitions. [2022-10-16 15:14:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:14:46,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:46,336 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:46,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:14:46,337 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:14:46,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:46,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1065025439, now seen corresponding path program 1 times [2022-10-16 15:14:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:46,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208060326] [2022-10-16 15:14:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:46,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:14:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:47,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208060326] [2022-10-16 15:14:47,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208060326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:47,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:47,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:14:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142571487] [2022-10-16 15:14:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:47,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:14:47,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:14:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:14:47,238 INFO L87 Difference]: Start difference. First operand 337600 states and 498352 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 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) [2022-10-16 15:15:06,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:06,871 INFO L93 Difference]: Finished difference Result 423900 states and 624560 transitions. [2022-10-16 15:15:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:15:06,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 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 113 [2022-10-16 15:15:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:08,000 INFO L225 Difference]: With dead ends: 423900 [2022-10-16 15:15:08,000 INFO L226 Difference]: Without dead ends: 423898 [2022-10-16 15:15:08,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:15:08,116 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 561 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:08,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 741 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:15:08,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423898 states. [2022-10-16 15:15:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423898 to 380736. [2022-10-16 15:15:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380736 states, 380720 states have (on average 1.4730405547383905) internal successors, (560816), 380735 states have internal predecessors, (560816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380736 states to 380736 states and 560816 transitions. [2022-10-16 15:15:35,293 INFO L78 Accepts]: Start accepts. Automaton has 380736 states and 560816 transitions. Word has length 113 [2022-10-16 15:15:35,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:15:35,293 INFO L495 AbstractCegarLoop]: Abstraction has 380736 states and 560816 transitions. [2022-10-16 15:15:35,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 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) [2022-10-16 15:15:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 380736 states and 560816 transitions. [2022-10-16 15:15:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:15:35,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:15:35,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:15:35,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:15:35,328 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:15:35,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:15:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1959317419, now seen corresponding path program 1 times [2022-10-16 15:15:35,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:15:35,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728175745] [2022-10-16 15:15:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:15:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:15:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:15:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:15:35,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:15:35,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728175745] [2022-10-16 15:15:35,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728175745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:15:35,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:15:35,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:15:35,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038622653] [2022-10-16 15:15:35,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:15:35,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:15:35,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:15:35,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:15:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:15:35,509 INFO L87 Difference]: Start difference. First operand 380736 states and 560816 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 15:15:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:57,477 INFO L93 Difference]: Finished difference Result 467038 states and 687024 transitions. [2022-10-16 15:15:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:15:57,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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 113 [2022-10-16 15:15:57,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:58,686 INFO L225 Difference]: With dead ends: 467038 [2022-10-16 15:15:58,686 INFO L226 Difference]: Without dead ends: 467036 [2022-10-16 15:15:58,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:15:58,805 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 558 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:58,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 769 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:15:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467036 states. [2022-10-16 15:16:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467036 to 445536. [2022-10-16 15:16:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445536 states, 445520 states have (on average 1.4713952235589873) internal successors, (655536), 445535 states have internal predecessors, (655536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445536 states to 445536 states and 655536 transitions. [2022-10-16 15:16:26,774 INFO L78 Accepts]: Start accepts. Automaton has 445536 states and 655536 transitions. Word has length 113 [2022-10-16 15:16:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:26,775 INFO L495 AbstractCegarLoop]: Abstraction has 445536 states and 655536 transitions. [2022-10-16 15:16:26,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 15:16:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 445536 states and 655536 transitions. [2022-10-16 15:16:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:16:26,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:26,789 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:26,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:16:26,790 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:16:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1875005342, now seen corresponding path program 1 times [2022-10-16 15:16:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:26,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661105221] [2022-10-16 15:16:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:27,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:27,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661105221] [2022-10-16 15:16:27,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661105221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:27,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:27,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:27,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493601136] [2022-10-16 15:16:27,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:27,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:27,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:27,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:27,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:27,748 INFO L87 Difference]: Start difference. First operand 445536 states and 655536 transitions. Second operand has 3 states, 3 states have (on average 38.0) 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)