/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/float-newlib/double_req_bl_0740.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:00:12,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:00:12,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:00:12,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:00:12,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:00:12,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:00:12,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:00:12,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:00:12,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:00:12,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:00:12,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:00:12,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:00:12,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:00:12,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:00:12,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:00:12,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:00:12,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:00:12,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:00:12,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:00:12,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:00:12,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:00:12,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:00:12,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:00:12,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:00:12,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 12:00:12,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:00:12,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:00:12,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:00:12,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:00:13,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:00:13,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:00:13,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:00:13,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:00:13,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:00:13,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:00:13,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:00:13,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:00:13,038 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:00:13,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:00:13,039 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:00:13,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:00:13,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:00:13,040 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:00:13,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:00:13,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:00:13,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:00:13,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:00:13,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:00:13,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:00:13,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:00:13,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:00:13,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:00:13,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:00:13,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:00:13,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:00:13,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:00:13,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:00:13,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:00:13,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:00:13,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:00:13,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:00:13,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:00:13,498 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:00:13,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-16 12:00:13,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc55d2be8/7680eea1104f4f0aac65e84ce38bc063/FLAG5ae3cc314 [2022-10-16 12:00:14,222 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:00:14,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-16 12:00:14,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc55d2be8/7680eea1104f4f0aac65e84ce38bc063/FLAG5ae3cc314 [2022-10-16 12:00:14,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc55d2be8/7680eea1104f4f0aac65e84ce38bc063 [2022-10-16 12:00:14,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:00:14,574 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:00:14,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:00:14,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:00:14,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:00:14,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:14,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26acf788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14, skipping insertion in model container [2022-10-16 12:00:14,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:14,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:00:14,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:00:14,837 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/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-16 12:00:14,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:00:14,847 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:00:14,888 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/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-16 12:00:14,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:00:14,905 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:00:14,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14 WrapperNode [2022-10-16 12:00:14,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:00:14,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:00:14,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:00:14,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:00:14,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:14,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:14,985 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 205 [2022-10-16 12:00:14,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:00:14,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:00:14,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:00:14,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:00:14,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:14,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:00:15,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:00:15,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:00:15,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:00:15,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (1/1) ... [2022-10-16 12:00:15,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:00:15,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:15,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:00:15,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:00:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:00:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:00:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:00:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:00:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:00:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:00:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:00:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:00:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:00:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:00:15,319 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:00:15,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:00:16,085 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:00:16,094 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:00:16,094 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-16 12:00:16,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:16 BoogieIcfgContainer [2022-10-16 12:00:16,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:00:16,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:00:16,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:00:16,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:00:16,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:00:14" (1/3) ... [2022-10-16 12:00:16,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22539ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:16, skipping insertion in model container [2022-10-16 12:00:16,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:14" (2/3) ... [2022-10-16 12:00:16,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22539ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:16, skipping insertion in model container [2022-10-16 12:00:16,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:16" (3/3) ... [2022-10-16 12:00:16,107 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2022-10-16 12:00:16,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:00:16,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-16 12:00:16,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:00:16,212 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;@47f9ef55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:00:16,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-16 12:00:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 75 states have (on average 1.84) internal successors, (138), 105 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 12:00:16,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:16,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:16,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:16,238 INFO L85 PathProgramCache]: Analyzing trace with hash 358329037, now seen corresponding path program 1 times [2022-10-16 12:00:16,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:16,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085262749] [2022-10-16 12:00:16,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:16,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:16,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:16,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085262749] [2022-10-16 12:00:16,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085262749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:16,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:16,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:00:16,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569949285] [2022-10-16 12:00:16,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:16,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:00:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:00:16,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:00:16,455 INFO L87 Difference]: Start difference. First operand has 106 states, 75 states have (on average 1.84) internal successors, (138), 105 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:16,487 INFO L93 Difference]: Finished difference Result 210 states and 274 transitions. [2022-10-16 12:00:16,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:00:16,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 12:00:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:16,501 INFO L225 Difference]: With dead ends: 210 [2022-10-16 12:00:16,502 INFO L226 Difference]: Without dead ends: 97 [2022-10-16 12:00:16,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:00:16,510 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:16,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-10-16 12:00:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-10-16 12:00:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 96 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2022-10-16 12:00:16,559 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 8 [2022-10-16 12:00:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:16,559 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2022-10-16 12:00:16,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2022-10-16 12:00:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 12:00:16,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:16,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:16,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:00:16,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:16,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:16,563 INFO L85 PathProgramCache]: Analyzing trace with hash 329083344, now seen corresponding path program 1 times [2022-10-16 12:00:16,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902711369] [2022-10-16 12:00:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:16,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:16,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:16,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902711369] [2022-10-16 12:00:16,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902711369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:16,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551938491] [2022-10-16 12:00:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:16,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:16,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:16,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:16,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:16,849 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:17,132 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2022-10-16 12:00:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:00:17,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 12:00:17,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:17,136 INFO L225 Difference]: With dead ends: 172 [2022-10-16 12:00:17,136 INFO L226 Difference]: Without dead ends: 170 [2022-10-16 12:00:17,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:00:17,138 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 224 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:17,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 128 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:00:17,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-16 12:00:17,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 97. [2022-10-16 12:00:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.6764705882352942) internal successors, (114), 96 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2022-10-16 12:00:17,153 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 9 [2022-10-16 12:00:17,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:17,154 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2022-10-16 12:00:17,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2022-10-16 12:00:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 12:00:17,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:17,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:17,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:00:17,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:17,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:17,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1611649194, now seen corresponding path program 1 times [2022-10-16 12:00:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:17,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357989047] [2022-10-16 12:00:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:17,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:17,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357989047] [2022-10-16 12:00:17,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357989047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:17,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:17,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:17,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786963191] [2022-10-16 12:00:17,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:17,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:17,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:17,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:17,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:17,235 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:17,485 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2022-10-16 12:00:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:00:17,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 12:00:17,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:17,488 INFO L225 Difference]: With dead ends: 283 [2022-10-16 12:00:17,488 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 12:00:17,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:00:17,491 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 123 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:17,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 341 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:00:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 12:00:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 139. [2022-10-16 12:00:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 110 states have (on average 1.6818181818181819) internal successors, (185), 138 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 185 transitions. [2022-10-16 12:00:17,507 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 185 transitions. Word has length 10 [2022-10-16 12:00:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:17,508 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 185 transitions. [2022-10-16 12:00:17,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2022-10-16 12:00:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 12:00:17,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:17,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:17,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:00:17,510 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:17,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1733989873, now seen corresponding path program 1 times [2022-10-16 12:00:17,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:17,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575654046] [2022-10-16 12:00:17,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:17,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:17,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:17,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575654046] [2022-10-16 12:00:17,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575654046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:17,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:17,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:00:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139068217] [2022-10-16 12:00:17,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:17,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:00:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:00:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:17,570 INFO L87 Difference]: Start difference. First operand 139 states and 185 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:17,614 INFO L93 Difference]: Finished difference Result 254 states and 341 transitions. [2022-10-16 12:00:17,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:00:17,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-16 12:00:17,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:17,617 INFO L225 Difference]: With dead ends: 254 [2022-10-16 12:00:17,618 INFO L226 Difference]: Without dead ends: 250 [2022-10-16 12:00:17,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:17,620 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 89 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:17,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 276 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:17,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-10-16 12:00:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 146. [2022-10-16 12:00:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 117 states have (on average 1.6666666666666667) internal successors, (195), 145 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 195 transitions. [2022-10-16 12:00:17,636 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 195 transitions. Word has length 12 [2022-10-16 12:00:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:17,637 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 195 transitions. [2022-10-16 12:00:17,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 195 transitions. [2022-10-16 12:00:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 12:00:17,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:17,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:17,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:00:17,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 236473603, now seen corresponding path program 1 times [2022-10-16 12:00:17,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:17,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123702017] [2022-10-16 12:00:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:17,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:17,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123702017] [2022-10-16 12:00:17,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123702017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:17,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:17,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:17,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523416666] [2022-10-16 12:00:17,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:17,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:17,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:17,825 INFO L87 Difference]: Start difference. First operand 146 states and 195 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:18,014 INFO L93 Difference]: Finished difference Result 198 states and 238 transitions. [2022-10-16 12:00:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:00:18,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-16 12:00:18,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:18,016 INFO L225 Difference]: With dead ends: 198 [2022-10-16 12:00:18,016 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 12:00:18,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:00:18,018 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 111 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:18,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 341 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:00:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 12:00:18,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 145. [2022-10-16 12:00:18,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 116 states have (on average 1.6724137931034482) internal successors, (194), 144 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-10-16 12:00:18,030 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 12 [2022-10-16 12:00:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:18,031 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-10-16 12:00:18,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-10-16 12:00:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 12:00:18,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:18,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:18,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:00:18,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:18,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2080890526, now seen corresponding path program 1 times [2022-10-16 12:00:18,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:18,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579191596] [2022-10-16 12:00:18,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:18,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:18,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579191596] [2022-10-16 12:00:18,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579191596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:18,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:18,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014724686] [2022-10-16 12:00:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:18,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:18,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:18,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:18,099 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:18,168 INFO L93 Difference]: Finished difference Result 249 states and 336 transitions. [2022-10-16 12:00:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:00:18,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-10-16 12:00:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:18,173 INFO L225 Difference]: With dead ends: 249 [2022-10-16 12:00:18,173 INFO L226 Difference]: Without dead ends: 247 [2022-10-16 12:00:18,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:00:18,178 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 88 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:18,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 446 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:18,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-10-16 12:00:18,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 148. [2022-10-16 12:00:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 119 states have (on average 1.6554621848739495) internal successors, (197), 147 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 197 transitions. [2022-10-16 12:00:18,210 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 197 transitions. Word has length 13 [2022-10-16 12:00:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:18,211 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 197 transitions. [2022-10-16 12:00:18,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 197 transitions. [2022-10-16 12:00:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 12:00:18,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:18,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:18,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:00:18,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash 83046321, now seen corresponding path program 1 times [2022-10-16 12:00:18,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:18,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808230985] [2022-10-16 12:00:18,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:18,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:18,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808230985] [2022-10-16 12:00:18,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808230985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:18,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:18,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:18,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175109946] [2022-10-16 12:00:18,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:18,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:18,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:18,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:18,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:18,349 INFO L87 Difference]: Start difference. First operand 148 states and 197 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:18,458 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2022-10-16 12:00:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:00:18,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-10-16 12:00:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:18,461 INFO L225 Difference]: With dead ends: 192 [2022-10-16 12:00:18,462 INFO L226 Difference]: Without dead ends: 189 [2022-10-16 12:00:18,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:18,465 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 87 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:18,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 383 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:18,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-10-16 12:00:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 154. [2022-10-16 12:00:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 125 states have (on average 1.624) internal successors, (203), 153 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 203 transitions. [2022-10-16 12:00:18,493 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 203 transitions. Word has length 14 [2022-10-16 12:00:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-10-16 12:00:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 203 transitions. [2022-10-16 12:00:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:00:18,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:18,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:18,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:00:18,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1748191341, now seen corresponding path program 1 times [2022-10-16 12:00:18,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:18,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996783924] [2022-10-16 12:00:18,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:18,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:18,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:18,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996783924] [2022-10-16 12:00:18,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996783924] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:18,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196691793] [2022-10-16 12:00:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:18,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:18,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:18,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:18,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:00:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:18,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:00:18,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:18,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:00:18,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196691793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:18,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:00:18,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-10-16 12:00:18,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026069139] [2022-10-16 12:00:18,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:18,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:18,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:18,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:00:18,808 INFO L87 Difference]: Start difference. First operand 154 states and 203 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:18,854 INFO L93 Difference]: Finished difference Result 247 states and 335 transitions. [2022-10-16 12:00:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:00:18,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-16 12:00:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:18,857 INFO L225 Difference]: With dead ends: 247 [2022-10-16 12:00:18,857 INFO L226 Difference]: Without dead ends: 245 [2022-10-16 12:00:18,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:00:18,859 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 92 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:18,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 431 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:18,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-10-16 12:00:18,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 151. [2022-10-16 12:00:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.6129032258064515) internal successors, (200), 150 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 200 transitions. [2022-10-16 12:00:18,868 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 200 transitions. Word has length 16 [2022-10-16 12:00:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:18,869 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 200 transitions. [2022-10-16 12:00:18,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2022-10-16 12:00:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:00:18,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:18,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:18,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:00:19,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:19,085 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1247020881, now seen corresponding path program 1 times [2022-10-16 12:00:19,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:19,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980270584] [2022-10-16 12:00:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:19,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:19,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980270584] [2022-10-16 12:00:19,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980270584] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:19,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98268386] [2022-10-16 12:00:19,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:19,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:19,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:19,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:00:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:19,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:00:19,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:00:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98268386] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:00:19,362 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:00:19,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 12:00:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110632461] [2022-10-16 12:00:19,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:00:19,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:00:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:19,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:00:19,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:00:19,364 INFO L87 Difference]: Start difference. First operand 151 states and 200 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:19,454 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2022-10-16 12:00:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:00:19,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 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 16 [2022-10-16 12:00:19,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:19,457 INFO L225 Difference]: With dead ends: 261 [2022-10-16 12:00:19,457 INFO L226 Difference]: Without dead ends: 260 [2022-10-16 12:00:19,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:00:19,464 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 202 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:19,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 443 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-10-16 12:00:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 160. [2022-10-16 12:00:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 133 states have (on average 1.593984962406015) internal successors, (212), 159 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2022-10-16 12:00:19,483 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 16 [2022-10-16 12:00:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:19,484 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2022-10-16 12:00:19,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2022-10-16 12:00:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:00:19,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:19,486 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:19,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 12:00:19,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-16 12:00:19,700 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:19,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1640645018, now seen corresponding path program 1 times [2022-10-16 12:00:19,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:19,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9551616] [2022-10-16 12:00:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:19,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9551616] [2022-10-16 12:00:19,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9551616] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:19,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451726048] [2022-10-16 12:00:19,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:19,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:19,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:19,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 12:00:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:19,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:00:19,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:00:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:19,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451726048] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:00:19,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:00:19,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 12:00:19,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557492376] [2022-10-16 12:00:19,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:00:19,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 12:00:19,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 12:00:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:00:19,939 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:20,136 INFO L93 Difference]: Finished difference Result 591 states and 808 transitions. [2022-10-16 12:00:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 12:00:20,138 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 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 17 [2022-10-16 12:00:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:20,141 INFO L225 Difference]: With dead ends: 591 [2022-10-16 12:00:20,141 INFO L226 Difference]: Without dead ends: 590 [2022-10-16 12:00:20,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:00:20,143 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 536 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:20,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1008 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2022-10-16 12:00:20,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 171. [2022-10-16 12:00:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 170 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 228 transitions. [2022-10-16 12:00:20,157 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 228 transitions. Word has length 17 [2022-10-16 12:00:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:20,158 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 228 transitions. [2022-10-16 12:00:20,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 228 transitions. [2022-10-16 12:00:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:00:20,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:20,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:20,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 12:00:20,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:20,373 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1640643384, now seen corresponding path program 1 times [2022-10-16 12:00:20,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:20,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128693001] [2022-10-16 12:00:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:20,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:20,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128693001] [2022-10-16 12:00:20,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128693001] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:20,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048433752] [2022-10-16 12:00:20,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:20,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:20,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:20,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:20,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 12:00:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:20,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 12:00:20,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:20,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:00:20,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048433752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:20,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:00:20,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-10-16 12:00:20,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047266969] [2022-10-16 12:00:20,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:20,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:00:20,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:00:20,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:00:20,543 INFO L87 Difference]: Start difference. First operand 171 states and 228 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:20,611 INFO L93 Difference]: Finished difference Result 364 states and 497 transitions. [2022-10-16 12:00:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:00:20,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-16 12:00:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:20,614 INFO L225 Difference]: With dead ends: 364 [2022-10-16 12:00:20,614 INFO L226 Difference]: Without dead ends: 361 [2022-10-16 12:00:20,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:00:20,615 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 178 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:20,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 663 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-10-16 12:00:20,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2022-10-16 12:00:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 139 states have (on average 1.5539568345323742) internal successors, (216), 162 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 216 transitions. [2022-10-16 12:00:20,628 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 216 transitions. Word has length 17 [2022-10-16 12:00:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:20,629 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 216 transitions. [2022-10-16 12:00:20,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2022-10-16 12:00:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 12:00:20,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:20,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:20,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 12:00:20,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:20,846 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:20,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash -679662539, now seen corresponding path program 1 times [2022-10-16 12:00:20,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:20,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855551164] [2022-10-16 12:00:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:20,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:20,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855551164] [2022-10-16 12:00:20,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855551164] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:20,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456201177] [2022-10-16 12:00:20,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:20,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:20,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:20,995 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:21,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 12:00:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:21,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:00:21,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:21,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:00:21,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456201177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:21,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:00:21,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 12:00:21,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662370901] [2022-10-16 12:00:21,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:00:21,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:21,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:00:21,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:00:21,141 INFO L87 Difference]: Start difference. First operand 163 states and 216 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:21,278 INFO L93 Difference]: Finished difference Result 285 states and 363 transitions. [2022-10-16 12:00:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:00:21,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-10-16 12:00:21,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:21,281 INFO L225 Difference]: With dead ends: 285 [2022-10-16 12:00:21,281 INFO L226 Difference]: Without dead ends: 282 [2022-10-16 12:00:21,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:00:21,282 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 173 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:21,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 534 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:21,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-10-16 12:00:21,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 208. [2022-10-16 12:00:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.572972972972973) internal successors, (291), 207 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2022-10-16 12:00:21,295 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 18 [2022-10-16 12:00:21,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:21,296 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2022-10-16 12:00:21,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2022-10-16 12:00:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 12:00:21,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:21,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:21,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 12:00:21,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 12:00:21,512 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:21,514 INFO L85 PathProgramCache]: Analyzing trace with hash -206169352, now seen corresponding path program 1 times [2022-10-16 12:00:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:21,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855029011] [2022-10-16 12:00:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:21,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:21,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855029011] [2022-10-16 12:00:21,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855029011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:21,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:21,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:00:21,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505199346] [2022-10-16 12:00:21,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:21,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:00:21,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:00:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:00:21,610 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:21,750 INFO L93 Difference]: Finished difference Result 368 states and 463 transitions. [2022-10-16 12:00:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:00:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-10-16 12:00:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:21,752 INFO L225 Difference]: With dead ends: 368 [2022-10-16 12:00:21,752 INFO L226 Difference]: Without dead ends: 366 [2022-10-16 12:00:21,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:00:21,754 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 253 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:21,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 616 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-10-16 12:00:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 208. [2022-10-16 12:00:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.572972972972973) internal successors, (291), 207 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2022-10-16 12:00:21,769 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 18 [2022-10-16 12:00:21,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:21,769 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2022-10-16 12:00:21,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2022-10-16 12:00:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:00:21,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:21,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:21,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 12:00:21,771 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:21,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:21,771 INFO L85 PathProgramCache]: Analyzing trace with hash 405297882, now seen corresponding path program 1 times [2022-10-16 12:00:21,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:21,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591897666] [2022-10-16 12:00:21,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:21,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:21,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591897666] [2022-10-16 12:00:21,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591897666] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:21,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504001043] [2022-10-16 12:00:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:21,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:21,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:21,898 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:21,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 12:00:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:21,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 12:00:21,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:22,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:00:22,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504001043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:22,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:00:22,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-10-16 12:00:22,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708463932] [2022-10-16 12:00:22,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:22,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:00:22,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:22,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:00:22,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:00:22,031 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:22,101 INFO L93 Difference]: Finished difference Result 250 states and 322 transitions. [2022-10-16 12:00:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:00:22,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 12:00:22,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:22,103 INFO L225 Difference]: With dead ends: 250 [2022-10-16 12:00:22,103 INFO L226 Difference]: Without dead ends: 249 [2022-10-16 12:00:22,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:00:22,104 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 74 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:22,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 360 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-10-16 12:00:22,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 226. [2022-10-16 12:00:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 225 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2022-10-16 12:00:22,121 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 19 [2022-10-16 12:00:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:22,122 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2022-10-16 12:00:22,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2022-10-16 12:00:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:00:22,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:22,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:22,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 12:00:22,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:22,339 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:22,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2096282494, now seen corresponding path program 1 times [2022-10-16 12:00:22,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:22,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188061337] [2022-10-16 12:00:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:22,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:22,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188061337] [2022-10-16 12:00:22,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188061337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:22,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:22,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:00:22,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358982181] [2022-10-16 12:00:22,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:22,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:00:22,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:22,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:00:22,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:00:22,436 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:22,518 INFO L93 Difference]: Finished difference Result 254 states and 326 transitions. [2022-10-16 12:00:22,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:00:22,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 12:00:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:22,520 INFO L225 Difference]: With dead ends: 254 [2022-10-16 12:00:22,520 INFO L226 Difference]: Without dead ends: 253 [2022-10-16 12:00:22,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:00:22,521 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 88 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:22,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 436 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:22,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-10-16 12:00:22,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2022-10-16 12:00:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 211 states have (on average 1.5260663507109005) internal successors, (322), 233 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 322 transitions. [2022-10-16 12:00:22,538 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 322 transitions. Word has length 19 [2022-10-16 12:00:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:22,539 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 322 transitions. [2022-10-16 12:00:22,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 322 transitions. [2022-10-16 12:00:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:00:22,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:22,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:22,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 12:00:22,540 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:22,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1922866839, now seen corresponding path program 1 times [2022-10-16 12:00:22,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:22,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036871376] [2022-10-16 12:00:22,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036871376] [2022-10-16 12:00:23,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036871376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:23,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:23,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291008747] [2022-10-16 12:00:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:23,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:00:23,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:00:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:00:23,827 INFO L87 Difference]: Start difference. First operand 234 states and 322 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:24,010 INFO L93 Difference]: Finished difference Result 256 states and 352 transitions. [2022-10-16 12:00:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:00:24,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 12:00:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:24,012 INFO L225 Difference]: With dead ends: 256 [2022-10-16 12:00:24,012 INFO L226 Difference]: Without dead ends: 255 [2022-10-16 12:00:24,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:00:24,013 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 7 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:24,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 213 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:24,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-10-16 12:00:24,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2022-10-16 12:00:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 220 states have (on average 1.5318181818181817) internal successors, (337), 242 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 337 transitions. [2022-10-16 12:00:24,033 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 337 transitions. Word has length 19 [2022-10-16 12:00:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:24,034 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 337 transitions. [2022-10-16 12:00:24,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 337 transitions. [2022-10-16 12:00:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 12:00:24,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:24,035 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] [2022-10-16 12:00:24,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 12:00:24,035 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:24,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:24,036 INFO L85 PathProgramCache]: Analyzing trace with hash 520670301, now seen corresponding path program 1 times [2022-10-16 12:00:24,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:24,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450487546] [2022-10-16 12:00:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:24,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:24,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450487546] [2022-10-16 12:00:24,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450487546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:24,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:24,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:00:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100743888] [2022-10-16 12:00:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:24,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:00:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:00:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:24,098 INFO L87 Difference]: Start difference. First operand 243 states and 337 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:24,174 INFO L93 Difference]: Finished difference Result 243 states and 337 transitions. [2022-10-16 12:00:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:00:24,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-10-16 12:00:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:24,177 INFO L225 Difference]: With dead ends: 243 [2022-10-16 12:00:24,177 INFO L226 Difference]: Without dead ends: 241 [2022-10-16 12:00:24,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:24,178 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 9 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:24,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 156 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:00:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-10-16 12:00:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2022-10-16 12:00:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 220 states have (on average 1.5045454545454546) internal successors, (331), 240 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 331 transitions. [2022-10-16 12:00:24,197 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 331 transitions. Word has length 20 [2022-10-16 12:00:24,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:24,198 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 331 transitions. [2022-10-16 12:00:24,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 331 transitions. [2022-10-16 12:00:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 12:00:24,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:24,199 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] [2022-10-16 12:00:24,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 12:00:24,200 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:24,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:24,200 INFO L85 PathProgramCache]: Analyzing trace with hash 144496983, now seen corresponding path program 1 times [2022-10-16 12:00:24,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:24,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747257526] [2022-10-16 12:00:24,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:24,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:24,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:24,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747257526] [2022-10-16 12:00:24,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747257526] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:24,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108653634] [2022-10-16 12:00:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:24,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:24,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:24,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:24,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 12:00:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:24,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 12:00:24,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:00:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:24,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:00:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:24,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108653634] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:00:24,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:00:24,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-10-16 12:00:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76389854] [2022-10-16 12:00:24,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:00:24,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 12:00:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 12:00:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:00:24,485 INFO L87 Difference]: Start difference. First operand 241 states and 331 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:24,734 INFO L93 Difference]: Finished difference Result 390 states and 494 transitions. [2022-10-16 12:00:24,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:00:24,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 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 20 [2022-10-16 12:00:24,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:24,737 INFO L225 Difference]: With dead ends: 390 [2022-10-16 12:00:24,737 INFO L226 Difference]: Without dead ends: 388 [2022-10-16 12:00:24,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2022-10-16 12:00:24,738 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 408 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:24,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 633 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:00:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-10-16 12:00:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 250. [2022-10-16 12:00:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 229 states have (on average 1.4890829694323144) internal successors, (341), 249 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 341 transitions. [2022-10-16 12:00:24,760 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 341 transitions. Word has length 20 [2022-10-16 12:00:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:24,760 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 341 transitions. [2022-10-16 12:00:24,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 341 transitions. [2022-10-16 12:00:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 12:00:24,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:24,761 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] [2022-10-16 12:00:24,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 12:00:24,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:24,976 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:24,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:24,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1040560049, now seen corresponding path program 1 times [2022-10-16 12:00:24,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:24,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424911978] [2022-10-16 12:00:24,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:24,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:25,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:25,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424911978] [2022-10-16 12:00:25,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424911978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:00:25,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:00:25,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:00:25,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769786441] [2022-10-16 12:00:25,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:00:25,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:00:25,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:00:25,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:00:25,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:25,068 INFO L87 Difference]: Start difference. First operand 250 states and 341 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:00:25,109 INFO L93 Difference]: Finished difference Result 356 states and 498 transitions. [2022-10-16 12:00:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:00:25,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-10-16 12:00:25,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:00:25,111 INFO L225 Difference]: With dead ends: 356 [2022-10-16 12:00:25,111 INFO L226 Difference]: Without dead ends: 256 [2022-10-16 12:00:25,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:00:25,112 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 5 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:00:25,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 193 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:00:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-10-16 12:00:25,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 250. [2022-10-16 12:00:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 229 states have (on average 1.4759825327510918) internal successors, (338), 249 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 338 transitions. [2022-10-16 12:00:25,133 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 338 transitions. Word has length 21 [2022-10-16 12:00:25,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:00:25,133 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 338 transitions. [2022-10-16 12:00:25,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:00:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 338 transitions. [2022-10-16 12:00:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 12:00:25,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:00:25,134 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:00:25,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 12:00:25,134 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-16 12:00:25,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:00:25,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2141296040, now seen corresponding path program 1 times [2022-10-16 12:00:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:00:25,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27968420] [2022-10-16 12:00:25,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:25,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:00:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:00:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:00:25,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27968420] [2022-10-16 12:00:25,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27968420] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:00:25,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965338820] [2022-10-16 12:00:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:00:26,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:00:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:00:26,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:00:26,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 12:00:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:00:27,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-16 12:00:27,549 INFO L286 TraceCheckSpWp]: Computing forward predicates...