/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:20:34,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:20:34,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:20:34,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:20:34,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:20:34,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:20:34,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:20:34,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:20:34,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:20:34,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:20:34,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:20:34,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:20:34,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:20:34,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:20:34,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:20:34,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:20:34,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:20:34,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:20:34,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:20:34,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:20:34,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:20:34,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:20:34,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:20:34,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:20:34,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:20:34,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:20:34,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:20:34,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:20:34,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:20:34,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:20:34,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:20:34,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:20:34,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:20:34,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:20:34,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:20:34,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:20:34,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:20:34,349 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:20:34,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:20:34,351 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:20:34,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:20:34,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:20:34,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:20:34,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:20:34,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:20:34,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:20:34,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:20:34,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:20:34,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:20:34,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:20:34,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:20:34,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:20:34,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:20:34,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:20:34,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:20:34,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:20:34,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:20:34,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:20:34,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:20:34,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:20:34,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:20:34,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:20:34,813 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:20:34,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:20:34,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35f1829/ca1a5b1e46d5426ca7325f82b3e1a9ff/FLAGcb9146f31 [2022-10-15 22:20:35,547 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:20:35,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:20:35,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35f1829/ca1a5b1e46d5426ca7325f82b3e1a9ff/FLAGcb9146f31 [2022-10-15 22:20:35,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35f1829/ca1a5b1e46d5426ca7325f82b3e1a9ff [2022-10-15 22:20:35,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:20:35,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:20:35,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:20:35,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:20:35,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:20:35,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:20:35" (1/1) ... [2022-10-15 22:20:35,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3e258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:35, skipping insertion in model container [2022-10-15 22:20:35,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:20:35" (1/1) ... [2022-10-15 22:20:35,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:20:35,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:20:36,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[11680,11693] [2022-10-15 22:20:36,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:36,490 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:20:36,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[11680,11693] [2022-10-15 22:20:36,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:36,736 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:20:36,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36 WrapperNode [2022-10-15 22:20:36,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:20:36,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:36,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:20:36,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:20:36,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,923 INFO L138 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1023 [2022-10-15 22:20:36,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:36,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:20:36,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:20:36,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:20:36,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:36,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:37,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:37,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:37,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:37,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:20:37,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:20:37,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:20:37,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:20:37,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (1/1) ... [2022-10-15 22:20:37,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:20:37,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:20:37,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:20:37,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:20:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:20:37,326 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:20:37,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:20:38,860 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:20:38,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:20:38,886 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:20:38,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:38 BoogieIcfgContainer [2022-10-15 22:20:38,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:20:38,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:20:38,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:20:38,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:20:38,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:20:35" (1/3) ... [2022-10-15 22:20:38,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f47fdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:38, skipping insertion in model container [2022-10-15 22:20:38,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:36" (2/3) ... [2022-10-15 22:20:38,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f47fdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:38, skipping insertion in model container [2022-10-15 22:20:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:38" (3/3) ... [2022-10-15 22:20:38,908 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:20:38,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:20:38,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2022-10-15 22:20:39,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:20:39,057 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;@478a2799, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:20:39,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-10-15 22:20:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 301 states have (on average 1.8272425249169435) internal successors, (550), 375 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:20:39,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:39,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:39,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1387185299, now seen corresponding path program 1 times [2022-10-15 22:20:39,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:39,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546544516] [2022-10-15 22:20:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:40,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:40,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546544516] [2022-10-15 22:20:40,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546544516] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:40,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:40,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:40,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009733010] [2022-10-15 22:20:40,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:40,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:40,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:40,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:40,149 INFO L87 Difference]: Start difference. First operand has 376 states, 301 states have (on average 1.8272425249169435) internal successors, (550), 375 states have internal predecessors, (550), 0 states have call successors, (0), 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 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:40,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:40,754 INFO L93 Difference]: Finished difference Result 787 states and 1119 transitions. [2022-10-15 22:20:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:20:40,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-15 22:20:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:40,781 INFO L225 Difference]: With dead ends: 787 [2022-10-15 22:20:40,782 INFO L226 Difference]: Without dead ends: 766 [2022-10-15 22:20:40,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:40,791 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1241 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:40,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 802 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:20:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-10-15 22:20:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 530. [2022-10-15 22:20:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 462 states have (on average 1.567099567099567) internal successors, (724), 529 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 724 transitions. [2022-10-15 22:20:40,902 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 724 transitions. Word has length 89 [2022-10-15 22:20:40,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:40,903 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 724 transitions. [2022-10-15 22:20:40,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 724 transitions. [2022-10-15 22:20:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:20:40,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:40,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:40,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:20:40,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash -53070983, now seen corresponding path program 1 times [2022-10-15 22:20:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:40,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188148150] [2022-10-15 22:20:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:41,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:41,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188148150] [2022-10-15 22:20:41,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188148150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:41,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:41,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:41,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669304895] [2022-10-15 22:20:41,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:41,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:41,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:41,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:41,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:41,265 INFO L87 Difference]: Start difference. First operand 530 states and 724 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:41,592 INFO L93 Difference]: Finished difference Result 727 states and 993 transitions. [2022-10-15 22:20:41,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:20:41,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 22:20:41,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:41,599 INFO L225 Difference]: With dead ends: 727 [2022-10-15 22:20:41,599 INFO L226 Difference]: Without dead ends: 722 [2022-10-15 22:20:41,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:41,602 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1063 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:41,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 495 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:20:41,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-10-15 22:20:41,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 686. [2022-10-15 22:20:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 620 states have (on average 1.5887096774193548) internal successors, (985), 685 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 985 transitions. [2022-10-15 22:20:41,648 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 985 transitions. Word has length 90 [2022-10-15 22:20:41,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:41,649 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 985 transitions. [2022-10-15 22:20:41,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 985 transitions. [2022-10-15 22:20:41,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:20:41,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:41,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:41,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:20:41,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1645200145, now seen corresponding path program 1 times [2022-10-15 22:20:41,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:41,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551405860] [2022-10-15 22:20:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:41,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:41,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551405860] [2022-10-15 22:20:41,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551405860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:41,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:41,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:20:41,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31992414] [2022-10-15 22:20:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:41,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:20:41,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:41,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:20:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:41,939 INFO L87 Difference]: Start difference. First operand 686 states and 985 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:42,566 INFO L93 Difference]: Finished difference Result 1105 states and 1506 transitions. [2022-10-15 22:20:42,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:20:42,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-15 22:20:42,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:42,579 INFO L225 Difference]: With dead ends: 1105 [2022-10-15 22:20:42,579 INFO L226 Difference]: Without dead ends: 1100 [2022-10-15 22:20:42,582 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 [2022-10-15 22:20:42,589 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1961 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:42,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 875 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:20:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-10-15 22:20:42,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 837. [2022-10-15 22:20:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 773 states have (on average 1.5976714100905562) internal successors, (1235), 836 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1235 transitions. [2022-10-15 22:20:42,651 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1235 transitions. Word has length 91 [2022-10-15 22:20:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:42,652 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1235 transitions. [2022-10-15 22:20:42,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1235 transitions. [2022-10-15 22:20:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:20:42,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:42,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:42,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:20:42,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash 538403387, now seen corresponding path program 1 times [2022-10-15 22:20:42,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:42,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706934755] [2022-10-15 22:20:42,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:42,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:42,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:42,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706934755] [2022-10-15 22:20:42,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706934755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:42,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:42,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:20:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530408879] [2022-10-15 22:20:42,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:42,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:20:42,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:20:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:42,873 INFO L87 Difference]: Start difference. First operand 837 states and 1235 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:43,409 INFO L93 Difference]: Finished difference Result 1062 states and 1493 transitions. [2022-10-15 22:20:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:20:43,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-15 22:20:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:43,416 INFO L225 Difference]: With dead ends: 1062 [2022-10-15 22:20:43,417 INFO L226 Difference]: Without dead ends: 1057 [2022-10-15 22:20:43,418 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 [2022-10-15 22:20:43,432 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1989 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:43,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 686 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:20:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-10-15 22:20:43,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 988. [2022-10-15 22:20:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 926 states have (on average 1.6004319654427646) internal successors, (1482), 987 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1482 transitions. [2022-10-15 22:20:43,504 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1482 transitions. Word has length 92 [2022-10-15 22:20:43,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:43,505 INFO L495 AbstractCegarLoop]: Abstraction has 988 states and 1482 transitions. [2022-10-15 22:20:43,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1482 transitions. [2022-10-15 22:20:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:20:43,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:43,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:43,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:20:43,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:43,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash -489363855, now seen corresponding path program 1 times [2022-10-15 22:20:43,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:43,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90862213] [2022-10-15 22:20:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:43,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90862213] [2022-10-15 22:20:43,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90862213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:43,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:43,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:20:43,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023958476] [2022-10-15 22:20:43,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:43,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:20:43,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:43,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:20:43,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:20:43,740 INFO L87 Difference]: Start difference. First operand 988 states and 1482 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:44,514 INFO L93 Difference]: Finished difference Result 1576 states and 2244 transitions. [2022-10-15 22:20:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:20:44,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-15 22:20:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:44,524 INFO L225 Difference]: With dead ends: 1576 [2022-10-15 22:20:44,525 INFO L226 Difference]: Without dead ends: 1571 [2022-10-15 22:20:44,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:20:44,527 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 2564 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:44,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 1225 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:20:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-10-15 22:20:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1134. [2022-10-15 22:20:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1074 states have (on average 1.5996275605214152) internal successors, (1718), 1133 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1718 transitions. [2022-10-15 22:20:44,612 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1718 transitions. Word has length 93 [2022-10-15 22:20:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:44,613 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1718 transitions. [2022-10-15 22:20:44,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1718 transitions. [2022-10-15 22:20:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:20:44,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:44,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:44,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:20:44,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2009590013, now seen corresponding path program 1 times [2022-10-15 22:20:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:44,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107961436] [2022-10-15 22:20:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:44,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:44,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:44,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107961436] [2022-10-15 22:20:44,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107961436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:44,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:44,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:20:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569329943] [2022-10-15 22:20:44,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:44,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:20:44,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:44,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:20:44,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:20:44,838 INFO L87 Difference]: Start difference. First operand 1134 states and 1718 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:45,514 INFO L93 Difference]: Finished difference Result 1532 states and 2209 transitions. [2022-10-15 22:20:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:20:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:20:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:45,524 INFO L225 Difference]: With dead ends: 1532 [2022-10-15 22:20:45,525 INFO L226 Difference]: Without dead ends: 1527 [2022-10-15 22:20:45,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:20:45,529 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 3102 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:45,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 877 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:20:45,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-10-15 22:20:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1428. [2022-10-15 22:20:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1370 states have (on average 1.602189781021898) internal successors, (2195), 1427 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2195 transitions. [2022-10-15 22:20:45,674 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2195 transitions. Word has length 94 [2022-10-15 22:20:45,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:45,675 INFO L495 AbstractCegarLoop]: Abstraction has 1428 states and 2195 transitions. [2022-10-15 22:20:45,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2195 transitions. [2022-10-15 22:20:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:20:45,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:45,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:45,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:20:45,678 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:45,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2127218701, now seen corresponding path program 1 times [2022-10-15 22:20:45,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:45,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468460469] [2022-10-15 22:20:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:45,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:45,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468460469] [2022-10-15 22:20:45,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468460469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:45,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:45,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:20:45,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594518506] [2022-10-15 22:20:45,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:45,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:20:45,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:45,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:20:45,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:20:45,986 INFO L87 Difference]: Start difference. First operand 1428 states and 2195 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:47,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:47,116 INFO L93 Difference]: Finished difference Result 2174 states and 3187 transitions. [2022-10-15 22:20:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 22:20:47,117 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-15 22:20:47,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:47,131 INFO L225 Difference]: With dead ends: 2174 [2022-10-15 22:20:47,132 INFO L226 Difference]: Without dead ends: 2169 [2022-10-15 22:20:47,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:20:47,137 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 3129 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:47,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 1724 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:20:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2022-10-15 22:20:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1569. [2022-10-15 22:20:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1513 states have (on average 1.5974884335756774) internal successors, (2417), 1568 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2417 transitions. [2022-10-15 22:20:47,284 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2417 transitions. Word has length 95 [2022-10-15 22:20:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:47,285 INFO L495 AbstractCegarLoop]: Abstraction has 1569 states and 2417 transitions. [2022-10-15 22:20:47,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2417 transitions. [2022-10-15 22:20:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:20:47,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:47,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:47,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:20:47,288 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1519269953, now seen corresponding path program 1 times [2022-10-15 22:20:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:47,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300568249] [2022-10-15 22:20:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:47,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:47,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300568249] [2022-10-15 22:20:47,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300568249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:47,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:47,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:20:47,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310815974] [2022-10-15 22:20:47,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:47,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:20:47,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:20:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:20:47,543 INFO L87 Difference]: Start difference. First operand 1569 states and 2417 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:48,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:48,553 INFO L93 Difference]: Finished difference Result 2127 states and 3116 transitions. [2022-10-15 22:20:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 22:20:48,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:20:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:48,569 INFO L225 Difference]: With dead ends: 2127 [2022-10-15 22:20:48,569 INFO L226 Difference]: Without dead ends: 2122 [2022-10-15 22:20:48,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:20:48,573 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 3682 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:48,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 1226 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:20:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2022-10-15 22:20:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1996. [2022-10-15 22:20:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1996 states, 1942 states have (on average 1.5957775489186405) internal successors, (3099), 1995 states have internal predecessors, (3099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 3099 transitions. [2022-10-15 22:20:48,780 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 3099 transitions. Word has length 96 [2022-10-15 22:20:48,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:48,780 INFO L495 AbstractCegarLoop]: Abstraction has 1996 states and 3099 transitions. [2022-10-15 22:20:48,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 3099 transitions. [2022-10-15 22:20:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:20:48,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:48,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:48,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:20:48,783 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:48,784 INFO L85 PathProgramCache]: Analyzing trace with hash 147272053, now seen corresponding path program 1 times [2022-10-15 22:20:48,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:48,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577253454] [2022-10-15 22:20:48,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:49,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:49,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577253454] [2022-10-15 22:20:49,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577253454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:49,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:49,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:20:49,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782368029] [2022-10-15 22:20:49,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:49,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 22:20:49,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:49,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 22:20:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:20:49,020 INFO L87 Difference]: Start difference. First operand 1996 states and 3099 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:50,340 INFO L93 Difference]: Finished difference Result 2889 states and 4310 transitions. [2022-10-15 22:20:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:20:50,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 22:20:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:50,357 INFO L225 Difference]: With dead ends: 2889 [2022-10-15 22:20:50,357 INFO L226 Difference]: Without dead ends: 2884 [2022-10-15 22:20:50,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:20:50,366 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 3862 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:50,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 2220 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:20:50,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2022-10-15 22:20:50,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2132. [2022-10-15 22:20:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 2080 states have (on average 1.5899038461538462) internal successors, (3307), 2131 states have internal predecessors, (3307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3307 transitions. [2022-10-15 22:20:50,590 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3307 transitions. Word has length 97 [2022-10-15 22:20:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:50,590 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 3307 transitions. [2022-10-15 22:20:50,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3307 transitions. [2022-10-15 22:20:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:20:50,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:50,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:50,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:20:50,593 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:50,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash 270466689, now seen corresponding path program 1 times [2022-10-15 22:20:50,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:50,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186770972] [2022-10-15 22:20:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:50,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:50,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:50,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186770972] [2022-10-15 22:20:50,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186770972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:50,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:50,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:20:50,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195641906] [2022-10-15 22:20:50,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:50,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 22:20:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 22:20:50,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:20:50,894 INFO L87 Difference]: Start difference. First operand 2132 states and 3307 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:52,245 INFO L93 Difference]: Finished difference Result 2837 states and 4189 transitions. [2022-10-15 22:20:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-15 22:20:52,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 22:20:52,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:52,263 INFO L225 Difference]: With dead ends: 2837 [2022-10-15 22:20:52,263 INFO L226 Difference]: Without dead ends: 2832 [2022-10-15 22:20:52,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:20:52,267 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 4227 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:52,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 1722 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:20:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2022-10-15 22:20:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2682. [2022-10-15 22:20:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 2632 states have (on average 1.583966565349544) internal successors, (4169), 2681 states have internal predecessors, (4169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 4169 transitions. [2022-10-15 22:20:52,622 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 4169 transitions. Word has length 98 [2022-10-15 22:20:52,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:52,623 INFO L495 AbstractCegarLoop]: Abstraction has 2682 states and 4169 transitions. [2022-10-15 22:20:52,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 4169 transitions. [2022-10-15 22:20:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:20:52,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:52,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:52,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:20:52,625 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:52,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:52,626 INFO L85 PathProgramCache]: Analyzing trace with hash -205466889, now seen corresponding path program 1 times [2022-10-15 22:20:52,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:52,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398804298] [2022-10-15 22:20:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:52,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:52,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:52,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398804298] [2022-10-15 22:20:52,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398804298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:52,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:52,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 22:20:52,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913229216] [2022-10-15 22:20:52,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:52,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 22:20:52,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:52,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 22:20:52,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:20:52,887 INFO L87 Difference]: Start difference. First operand 2682 states and 4169 transitions. Second operand has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:54,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:54,692 INFO L93 Difference]: Finished difference Result 3711 states and 5588 transitions. [2022-10-15 22:20:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-15 22:20:54,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:20:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:54,715 INFO L225 Difference]: With dead ends: 3711 [2022-10-15 22:20:54,716 INFO L226 Difference]: Without dead ends: 3706 [2022-10-15 22:20:54,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2022-10-15 22:20:54,721 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 4342 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 2845 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:54,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 2845 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:20:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2022-10-15 22:20:54,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 2813. [2022-10-15 22:20:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2765 states have (on average 1.5779385171790234) internal successors, (4363), 2812 states have internal predecessors, (4363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4363 transitions. [2022-10-15 22:20:55,009 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4363 transitions. Word has length 99 [2022-10-15 22:20:55,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:55,010 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 4363 transitions. [2022-10-15 22:20:55,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4363 transitions. [2022-10-15 22:20:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:20:55,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:55,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:55,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:20:55,012 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:55,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:55,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2074505917, now seen corresponding path program 1 times [2022-10-15 22:20:55,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:55,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534315682] [2022-10-15 22:20:55,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:55,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:55,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:55,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534315682] [2022-10-15 22:20:55,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534315682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:55,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:55,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 22:20:55,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123058482] [2022-10-15 22:20:55,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:55,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 22:20:55,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 22:20:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:20:55,282 INFO L87 Difference]: Start difference. First operand 2813 states and 4363 transitions. Second operand has 9 states, 8 states have (on average 12.5) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:57,039 INFO L93 Difference]: Finished difference Result 3652 states and 5403 transitions. [2022-10-15 22:20:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 22:20:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-15 22:20:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:57,088 INFO L225 Difference]: With dead ends: 3652 [2022-10-15 22:20:57,089 INFO L226 Difference]: Without dead ends: 3647 [2022-10-15 22:20:57,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2022-10-15 22:20:57,096 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 4933 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4933 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:57,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4933 Valid, 2215 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:20:57,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2022-10-15 22:20:57,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3476. [2022-10-15 22:20:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 3430 states have (on average 1.5685131195335278) internal successors, (5380), 3475 states have internal predecessors, (5380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 5380 transitions. [2022-10-15 22:20:57,490 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 5380 transitions. Word has length 100 [2022-10-15 22:20:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:57,490 INFO L495 AbstractCegarLoop]: Abstraction has 3476 states and 5380 transitions. [2022-10-15 22:20:57,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:20:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 5380 transitions. [2022-10-15 22:20:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:20:57,492 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:57,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:57,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:20:57,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:20:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:57,493 INFO L85 PathProgramCache]: Analyzing trace with hash 114826361, now seen corresponding path program 1 times [2022-10-15 22:20:57,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:57,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748441307] [2022-10-15 22:20:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:57,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:57,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:57,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748441307] [2022-10-15 22:20:57,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748441307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:57,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:57,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 22:20:57,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344392104] [2022-10-15 22:20:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:57,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 22:20:57,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 22:20:57,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:20:57,773 INFO L87 Difference]: Start difference. First operand 3476 states and 5380 transitions. Second operand has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:01,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:01,517 INFO L93 Difference]: Finished difference Result 11549 states and 17776 transitions. [2022-10-15 22:21:01,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-15 22:21:01,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 22:21:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:01,550 INFO L225 Difference]: With dead ends: 11549 [2022-10-15 22:21:01,551 INFO L226 Difference]: Without dead ends: 8469 [2022-10-15 22:21:01,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=717, Invalid=2705, Unknown=0, NotChecked=0, Total=3422 [2022-10-15 22:21:01,571 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 4716 mSDsluCounter, 5286 mSDsCounter, 0 mSdLazyCounter, 3072 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4716 SdHoareTripleChecker+Valid, 6061 SdHoareTripleChecker+Invalid, 3158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:01,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4716 Valid, 6061 Invalid, 3158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3072 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 22:21:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8469 states. [2022-10-15 22:21:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8469 to 6510. [2022-10-15 22:21:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6510 states, 6466 states have (on average 1.56093411691927) internal successors, (10093), 6509 states have internal predecessors, (10093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6510 states to 6510 states and 10093 transitions. [2022-10-15 22:21:02,502 INFO L78 Accepts]: Start accepts. Automaton has 6510 states and 10093 transitions. Word has length 101 [2022-10-15 22:21:02,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:02,503 INFO L495 AbstractCegarLoop]: Abstraction has 6510 states and 10093 transitions. [2022-10-15 22:21:02,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6510 states and 10093 transitions. [2022-10-15 22:21:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:21:02,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:02,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:02,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:21:02,506 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:02,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash -735349755, now seen corresponding path program 1 times [2022-10-15 22:21:02,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:02,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308350326] [2022-10-15 22:21:02,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:02,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:02,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:02,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308350326] [2022-10-15 22:21:02,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308350326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:02,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:02,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 22:21:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762442313] [2022-10-15 22:21:02,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:02,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 22:21:02,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 22:21:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:21:02,858 INFO L87 Difference]: Start difference. First operand 6510 states and 10093 transitions. Second operand has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:06,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:06,728 INFO L93 Difference]: Finished difference Result 9759 states and 14731 transitions. [2022-10-15 22:21:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-15 22:21:06,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:21:06,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:06,755 INFO L225 Difference]: With dead ends: 9759 [2022-10-15 22:21:06,755 INFO L226 Difference]: Without dead ends: 9754 [2022-10-15 22:21:06,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=637, Invalid=2119, Unknown=0, NotChecked=0, Total=2756 [2022-10-15 22:21:06,761 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 6321 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6321 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:06,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6321 Valid, 3451 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 22:21:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9754 states. [2022-10-15 22:21:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9754 to 9412. [2022-10-15 22:21:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9412 states, 9370 states have (on average 1.5572038420490928) internal successors, (14591), 9411 states have internal predecessors, (14591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9412 states to 9412 states and 14591 transitions. [2022-10-15 22:21:07,963 INFO L78 Accepts]: Start accepts. Automaton has 9412 states and 14591 transitions. Word has length 102 [2022-10-15 22:21:07,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:07,964 INFO L495 AbstractCegarLoop]: Abstraction has 9412 states and 14591 transitions. [2022-10-15 22:21:07,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 9412 states and 14591 transitions. [2022-10-15 22:21:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 22:21:07,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:07,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:07,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:21:07,968 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1829815448, now seen corresponding path program 1 times [2022-10-15 22:21:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:07,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389331156] [2022-10-15 22:21:07,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:08,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:08,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389331156] [2022-10-15 22:21:08,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389331156] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:08,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:08,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:08,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036336581] [2022-10-15 22:21:08,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:08,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:08,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:08,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:08,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:08,250 INFO L87 Difference]: Start difference. First operand 9412 states and 14591 transitions. Second operand has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:09,769 INFO L93 Difference]: Finished difference Result 11941 states and 18566 transitions. [2022-10-15 22:21:09,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:09,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 22:21:09,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:09,799 INFO L225 Difference]: With dead ends: 11941 [2022-10-15 22:21:09,799 INFO L226 Difference]: Without dead ends: 11938 [2022-10-15 22:21:09,804 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 [2022-10-15 22:21:09,805 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 526 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:09,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 971 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:09,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11938 states. [2022-10-15 22:21:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11938 to 9834. [2022-10-15 22:21:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9834 states, 9792 states have (on average 1.561172385620915) internal successors, (15287), 9833 states have internal predecessors, (15287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9834 states to 9834 states and 15287 transitions. [2022-10-15 22:21:10,908 INFO L78 Accepts]: Start accepts. Automaton has 9834 states and 15287 transitions. Word has length 153 [2022-10-15 22:21:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:10,908 INFO L495 AbstractCegarLoop]: Abstraction has 9834 states and 15287 transitions. [2022-10-15 22:21:10,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 9834 states and 15287 transitions. [2022-10-15 22:21:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 22:21:10,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:10,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:10,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:21:10,913 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:10,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1459482192, now seen corresponding path program 1 times [2022-10-15 22:21:10,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:10,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544047058] [2022-10-15 22:21:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:11,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:11,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544047058] [2022-10-15 22:21:11,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544047058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:11,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:11,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:11,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488323373] [2022-10-15 22:21:11,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:11,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:11,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:11,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:11,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:11,125 INFO L87 Difference]: Start difference. First operand 9834 states and 15287 transitions. Second operand has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:12,379 INFO L93 Difference]: Finished difference Result 12340 states and 19185 transitions. [2022-10-15 22:21:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:12,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 22:21:12,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:12,416 INFO L225 Difference]: With dead ends: 12340 [2022-10-15 22:21:12,417 INFO L226 Difference]: Without dead ends: 12337 [2022-10-15 22:21:12,422 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 [2022-10-15 22:21:12,423 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 539 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:12,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 972 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:12,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-10-15 22:21:13,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 12265. [2022-10-15 22:21:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12265 states, 12223 states have (on average 1.5688456189151598) internal successors, (19176), 12264 states have internal predecessors, (19176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12265 states to 12265 states and 19176 transitions. [2022-10-15 22:21:13,684 INFO L78 Accepts]: Start accepts. Automaton has 12265 states and 19176 transitions. Word has length 153 [2022-10-15 22:21:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:13,685 INFO L495 AbstractCegarLoop]: Abstraction has 12265 states and 19176 transitions. [2022-10-15 22:21:13,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12265 states and 19176 transitions. [2022-10-15 22:21:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-15 22:21:13,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:13,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:13,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:21:13,690 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:13,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2000691802, now seen corresponding path program 1 times [2022-10-15 22:21:13,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:13,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688009981] [2022-10-15 22:21:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:13,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:13,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688009981] [2022-10-15 22:21:13,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688009981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:13,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:13,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:13,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506154110] [2022-10-15 22:21:13,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:13,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:13,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:13,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:13,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:13,894 INFO L87 Difference]: Start difference. First operand 12265 states and 19176 transitions. Second operand has 4 states, 3 states have (on average 51.333333333333336) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:15,278 INFO L93 Difference]: Finished difference Result 12301 states and 19176 transitions. [2022-10-15 22:21:15,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:15,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 51.333333333333336) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-15 22:21:15,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:15,305 INFO L225 Difference]: With dead ends: 12301 [2022-10-15 22:21:15,305 INFO L226 Difference]: Without dead ends: 12298 [2022-10-15 22:21:15,312 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 [2022-10-15 22:21:15,313 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 534 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:15,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 793 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:15,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12298 states. [2022-10-15 22:21:16,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12298 to 12262. [2022-10-15 22:21:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12262 states, 12223 states have (on average 1.5673729853554774) internal successors, (19158), 12261 states have internal predecessors, (19158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12262 states to 12262 states and 19158 transitions. [2022-10-15 22:21:16,582 INFO L78 Accepts]: Start accepts. Automaton has 12262 states and 19158 transitions. Word has length 154 [2022-10-15 22:21:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:16,583 INFO L495 AbstractCegarLoop]: Abstraction has 12262 states and 19158 transitions. [2022-10-15 22:21:16,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.333333333333336) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 12262 states and 19158 transitions. [2022-10-15 22:21:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-15 22:21:16,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:16,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:16,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:21:16,588 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1538517338, now seen corresponding path program 1 times [2022-10-15 22:21:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:16,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387624351] [2022-10-15 22:21:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:16,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:16,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:16,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387624351] [2022-10-15 22:21:16,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387624351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:16,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:16,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049841122] [2022-10-15 22:21:16,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:16,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:16,850 INFO L87 Difference]: Start difference. First operand 12262 states and 19158 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:18,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:18,331 INFO L93 Difference]: Finished difference Result 12358 states and 19158 transitions. [2022-10-15 22:21:18,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:18,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-15 22:21:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:18,357 INFO L225 Difference]: With dead ends: 12358 [2022-10-15 22:21:18,357 INFO L226 Difference]: Without dead ends: 12355 [2022-10-15 22:21:18,364 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 [2022-10-15 22:21:18,365 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1454 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:18,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 1026 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:18,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12355 states. [2022-10-15 22:21:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12355 to 10644. [2022-10-15 22:21:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10644 states, 10605 states have (on average 1.5655822725129656) internal successors, (16603), 10643 states have internal predecessors, (16603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10644 states to 10644 states and 16603 transitions. [2022-10-15 22:21:19,444 INFO L78 Accepts]: Start accepts. Automaton has 10644 states and 16603 transitions. Word has length 155 [2022-10-15 22:21:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:19,445 INFO L495 AbstractCegarLoop]: Abstraction has 10644 states and 16603 transitions. [2022-10-15 22:21:19,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 10644 states and 16603 transitions. [2022-10-15 22:21:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-15 22:21:19,457 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:19,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:19,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:21:19,457 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:19,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1811005398, now seen corresponding path program 1 times [2022-10-15 22:21:19,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:19,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180550165] [2022-10-15 22:21:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:19,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:19,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:19,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180550165] [2022-10-15 22:21:19,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180550165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:19,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:19,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:19,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468740401] [2022-10-15 22:21:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:19,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:19,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:19,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:19,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:19,686 INFO L87 Difference]: Start difference. First operand 10644 states and 16603 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:21,160 INFO L93 Difference]: Finished difference Result 12757 states and 19768 transitions. [2022-10-15 22:21:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:21,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-15 22:21:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:21,179 INFO L225 Difference]: With dead ends: 12757 [2022-10-15 22:21:21,179 INFO L226 Difference]: Without dead ends: 12754 [2022-10-15 22:21:21,185 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 [2022-10-15 22:21:21,186 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 1014 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:21,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1394 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:21,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12754 states. [2022-10-15 22:21:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12754 to 12658. [2022-10-15 22:21:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12658 states, 12619 states have (on average 1.5658134558998336) internal successors, (19759), 12657 states have internal predecessors, (19759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12658 states to 12658 states and 19759 transitions. [2022-10-15 22:21:22,491 INFO L78 Accepts]: Start accepts. Automaton has 12658 states and 19759 transitions. Word has length 155 [2022-10-15 22:21:22,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:22,492 INFO L495 AbstractCegarLoop]: Abstraction has 12658 states and 19759 transitions. [2022-10-15 22:21:22,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12658 states and 19759 transitions. [2022-10-15 22:21:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-15 22:21:22,497 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:22,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:22,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:21:22,497 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2022-10-15 22:21:22,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:22,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1891903214, now seen corresponding path program 1 times [2022-10-15 22:21:22,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:22,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832344349] [2022-10-15 22:21:22,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:22,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:22,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:22,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832344349] [2022-10-15 22:21:22,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832344349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:22,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:22,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:22,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933464365] [2022-10-15 22:21:22,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:22,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:22,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:22,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:22,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:22,741 INFO L87 Difference]: Start difference. First operand 12658 states and 19759 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:24,327 INFO L93 Difference]: Finished difference Result 13174 states and 20447 transitions. [2022-10-15 22:21:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:24,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-15 22:21:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:24,344 INFO L225 Difference]: With dead ends: 13174 [2022-10-15 22:21:24,344 INFO L226 Difference]: Without dead ends: 13171 [2022-10-15 22:21:24,349 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 [2022-10-15 22:21:24,350 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 1028 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:24,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1271 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13171 states.