/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/array-memsafety/cstrncmp-alloca-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:08:24,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:08:24,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:08:24,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 11:08:24,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:08:24,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:08:24,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:08:24,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:08:24,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:08:24,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:08:24,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:08:24,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:08:24,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:08:24,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:08:24,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:08:24,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:08:24,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:08:24,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:08:24,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:08:24,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:08:24,888 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 11:08:24,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:08:24,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:08:24,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:08:24,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:08:24,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:08:24,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:08:24,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:08:24,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:08:24,930 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:08:24,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:08:24,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:08:24,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:08:24,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:08:24,933 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:08:24,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:08:24,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:08:24,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:08:24,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:08:24,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:08:24,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:08:24,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:08:24,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:08:24,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:08:24,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:08:24,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:08:24,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:08:24,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:08:24,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:08:24,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:08:25,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:08:25,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:08:25,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:08:25,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:08:25,337 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:08:25,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-10-16 11:08:25,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00029c692/5d02583c8dda45e9a31314774139445d/FLAG33f310381 [2022-10-16 11:08:26,163 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:08:26,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-10-16 11:08:26,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00029c692/5d02583c8dda45e9a31314774139445d/FLAG33f310381 [2022-10-16 11:08:26,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00029c692/5d02583c8dda45e9a31314774139445d [2022-10-16 11:08:26,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:08:26,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:08:26,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:08:26,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:08:26,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:08:26,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:08:26" (1/1) ... [2022-10-16 11:08:26,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b35371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:26, skipping insertion in model container [2022-10-16 11:08:26,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:08:26" (1/1) ... [2022-10-16 11:08:26,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:08:26,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:08:26,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:08:26,927 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:08:26,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:08:27,026 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:08:27,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27 WrapperNode [2022-10-16 11:08:27,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:08:27,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:08:27,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:08:27,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:08:27,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,079 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2022-10-16 11:08:27,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:08:27,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:08:27,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:08:27,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:08:27,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:08:27,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:08:27,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:08:27,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:08:27,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (1/1) ... [2022-10-16 11:08:27,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:08:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:08:27,152 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 11:08:27,185 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 11:08:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:08:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:08:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:08:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:08:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:08:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:08:27,344 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:08:27,346 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:08:27,698 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:08:27,706 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:08:27,706 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 11:08:27,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:08:27 BoogieIcfgContainer [2022-10-16 11:08:27,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:08:27,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:08:27,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:08:27,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:08:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:08:26" (1/3) ... [2022-10-16 11:08:27,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab0d0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:08:27, skipping insertion in model container [2022-10-16 11:08:27,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:08:27" (2/3) ... [2022-10-16 11:08:27,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab0d0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:08:27, skipping insertion in model container [2022-10-16 11:08:27,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:08:27" (3/3) ... [2022-10-16 11:08:27,719 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2022-10-16 11:08:27,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:08:27,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 11:08:27,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:08:27,809 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;@19e3eeb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:08:27,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 11:08:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.75) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 11:08:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 11:08:27,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:27,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 11:08:27,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:27,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 889510733, now seen corresponding path program 1 times [2022-10-16 11:08:27,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:27,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512806017] [2022-10-16 11:08:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:28,162 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 11:08:28,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:28,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512806017] [2022-10-16 11:08:28,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512806017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:28,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:28,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:28,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587117908] [2022-10-16 11:08:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:28,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:28,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:28,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:28,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:28,234 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.75) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 11:08:28,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:28,370 INFO L93 Difference]: Finished difference Result 132 states and 166 transitions. [2022-10-16 11:08:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:28,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 11:08:28,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:28,388 INFO L225 Difference]: With dead ends: 132 [2022-10-16 11:08:28,388 INFO L226 Difference]: Without dead ends: 81 [2022-10-16 11:08:28,394 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 11:08:28,399 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 52 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:28,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 97 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:08:28,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-10-16 11:08:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2022-10-16 11:08:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 59 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:08:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2022-10-16 11:08:28,462 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 6 [2022-10-16 11:08:28,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:28,463 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2022-10-16 11:08:28,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 11:08:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2022-10-16 11:08:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 11:08:28,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:28,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 11:08:28,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:08:28,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:28,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:28,467 INFO L85 PathProgramCache]: Analyzing trace with hash 889570315, now seen corresponding path program 1 times [2022-10-16 11:08:28,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:28,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898302758] [2022-10-16 11:08:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:28,603 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 11:08:28,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:28,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898302758] [2022-10-16 11:08:28,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898302758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:28,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:28,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:28,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499946023] [2022-10-16 11:08:28,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:28,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:28,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:28,609 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 11:08:28,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:28,651 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2022-10-16 11:08:28,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 11:08:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:28,656 INFO L225 Difference]: With dead ends: 60 [2022-10-16 11:08:28,656 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 11:08:28,658 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 11:08:28,662 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 42 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:28,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 38 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 11:08:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 42. [2022-10-16 11:08:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.6) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 11:08:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-10-16 11:08:28,680 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 6 [2022-10-16 11:08:28,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:28,681 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-10-16 11:08:28,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 11:08:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-10-16 11:08:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 11:08:28,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:28,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:28,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:08:28,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028999, now seen corresponding path program 1 times [2022-10-16 11:08:28,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:28,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718789737] [2022-10-16 11:08:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:28,784 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 11:08:28,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:28,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718789737] [2022-10-16 11:08:28,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718789737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:28,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:28,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:28,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378257619] [2022-10-16 11:08:28,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:28,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:28,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:28,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:28,788 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states 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 11:08:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:28,807 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-10-16 11:08:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:28,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 11:08:28,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:28,812 INFO L225 Difference]: With dead ends: 42 [2022-10-16 11:08:28,812 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 11:08:28,812 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 11:08:28,814 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 39 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:28,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 40 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 11:08:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-10-16 11:08:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states 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 11:08:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-10-16 11:08:28,821 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 7 [2022-10-16 11:08:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:28,822 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-10-16 11:08:28,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states 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 11:08:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-10-16 11:08:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:08:28,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:28,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:28,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 11:08:28,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:28,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:28,825 INFO L85 PathProgramCache]: Analyzing trace with hash 628418293, now seen corresponding path program 1 times [2022-10-16 11:08:28,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:28,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659550815] [2022-10-16 11:08:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:28,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659550815] [2022-10-16 11:08:28,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659550815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:28,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:28,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:28,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947619264] [2022-10-16 11:08:28,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:28,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:28,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:28,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:28,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:28,887 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:28,936 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2022-10-16 11:08:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:28,942 INFO L225 Difference]: With dead ends: 74 [2022-10-16 11:08:28,942 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 11:08:28,943 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 11:08:28,946 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:28,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:28,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 11:08:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 57. [2022-10-16 11:08:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:08:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-10-16 11:08:28,964 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 10 [2022-10-16 11:08:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:28,965 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-10-16 11:08:28,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-10-16 11:08:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:08:28,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:28,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:28,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 11:08:28,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:28,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:28,971 INFO L85 PathProgramCache]: Analyzing trace with hash 628419956, now seen corresponding path program 1 times [2022-10-16 11:08:28,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:28,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041296418] [2022-10-16 11:08:28,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:28,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,075 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 11:08:29,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041296418] [2022-10-16 11:08:29,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041296418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:08:29,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704824764] [2022-10-16 11:08:29,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:08:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:08:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:08:29,080 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 4 states, 4 states have (on average 2.5) 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 11:08:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,164 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2022-10-16 11:08:29,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:08:29,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) 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 11:08:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,168 INFO L225 Difference]: With dead ends: 154 [2022-10-16 11:08:29,169 INFO L226 Difference]: Without dead ends: 103 [2022-10-16 11:08:29,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 11:08:29,173 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 35 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 110 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:08:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-10-16 11:08:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 66. [2022-10-16 11:08:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 11:08:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2022-10-16 11:08:29,198 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 10 [2022-10-16 11:08:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,198 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2022-10-16 11:08:29,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) 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 11:08:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2022-10-16 11:08:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:08:29,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:08:29,202 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1891541641, now seen corresponding path program 1 times [2022-10-16 11:08:29,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507671995] [2022-10-16 11:08:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,262 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 11:08:29,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507671995] [2022-10-16 11:08:29,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507671995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846304683] [2022-10-16 11:08:29,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:29,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:29,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:29,266 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,290 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-10-16 11:08:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:29,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,292 INFO L225 Difference]: With dead ends: 66 [2022-10-16 11:08:29,292 INFO L226 Difference]: Without dead ends: 64 [2022-10-16 11:08:29,292 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 11:08:29,294 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 34 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 34 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-10-16 11:08:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 43. [2022-10-16 11:08:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states 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 11:08:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-10-16 11:08:29,302 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 10 [2022-10-16 11:08:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,302 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-10-16 11:08:29,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11:08:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-10-16 11:08:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:08:29,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 11:08:29,304 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,305 INFO L85 PathProgramCache]: Analyzing trace with hash -180926670, now seen corresponding path program 1 times [2022-10-16 11:08:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78522586] [2022-10-16 11:08:29,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:29,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78522586] [2022-10-16 11:08:29,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78522586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:08:29,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844184968] [2022-10-16 11:08:29,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:08:29,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:08:29,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:08:29,409 INFO L87 Difference]: Start difference. First operand 43 states and 50 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 11:08:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,458 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2022-10-16 11:08:29,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:08:29,460 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 11:08:29,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,462 INFO L225 Difference]: With dead ends: 76 [2022-10-16 11:08:29,462 INFO L226 Difference]: Without dead ends: 74 [2022-10-16 11:08:29,463 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 11:08:29,467 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 32 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 113 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:29,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-10-16 11:08:29,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 49. [2022-10-16 11:08:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 11:08:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-10-16 11:08:29,487 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 10 [2022-10-16 11:08:29,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,488 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-10-16 11:08:29,488 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 11:08:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-10-16 11:08:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 11:08:29,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:08:29,490 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1993869323, now seen corresponding path program 1 times [2022-10-16 11:08:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305311379] [2022-10-16 11:08:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,565 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 11:08:29,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305311379] [2022-10-16 11:08:29,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305311379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:08:29,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314626391] [2022-10-16 11:08:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:08:29,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:08:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:08:29,569 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 11:08:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,607 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-10-16 11:08:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:08:29,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 11:08:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,609 INFO L225 Difference]: With dead ends: 49 [2022-10-16 11:08:29,609 INFO L226 Difference]: Without dead ends: 47 [2022-10-16 11:08:29,610 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 11:08:29,611 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 38 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-10-16 11:08:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-10-16 11:08:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 11:08:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-10-16 11:08:29,636 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 11 [2022-10-16 11:08:29,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,636 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-10-16 11:08:29,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 11:08:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-10-16 11:08:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:08:29,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 11:08:29,643 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,643 INFO L85 PathProgramCache]: Analyzing trace with hash 36780700, now seen corresponding path program 1 times [2022-10-16 11:08:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112617277] [2022-10-16 11:08:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112617277] [2022-10-16 11:08:29,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112617277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:08:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967683045] [2022-10-16 11:08:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:08:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:08:29,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:08:29,742 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 4 states have (on average 3.5) 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 11:08:29,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,791 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2022-10-16 11:08:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:08:29,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) 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 11:08:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,793 INFO L225 Difference]: With dead ends: 106 [2022-10-16 11:08:29,793 INFO L226 Difference]: Without dead ends: 84 [2022-10-16 11:08:29,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 11:08:29,797 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 26 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:29,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-16 11:08:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2022-10-16 11:08:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 67 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 11:08:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2022-10-16 11:08:29,809 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 14 [2022-10-16 11:08:29,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,809 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2022-10-16 11:08:29,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) 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 11:08:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2022-10-16 11:08:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:08:29,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:08:29,812 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash 737845278, now seen corresponding path program 1 times [2022-10-16 11:08:29,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659147034] [2022-10-16 11:08:29,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:29,889 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 11:08:29,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:29,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659147034] [2022-10-16 11:08:29,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659147034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:29,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:29,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:08:29,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056006546] [2022-10-16 11:08:29,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:29,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:08:29,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:29,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:08:29,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:08:29,894 INFO L87 Difference]: Start difference. First operand 68 states and 80 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 11:08:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:29,925 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2022-10-16 11:08:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:08:29,926 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 11:08:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:29,928 INFO L225 Difference]: With dead ends: 90 [2022-10-16 11:08:29,928 INFO L226 Difference]: Without dead ends: 88 [2022-10-16 11:08:29,928 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 11:08:29,930 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 20 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:29,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 107 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-10-16 11:08:29,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2022-10-16 11:08:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 73 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 11:08:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2022-10-16 11:08:29,949 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 14 [2022-10-16 11:08:29,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:29,949 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-10-16 11:08:29,950 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 11:08:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-10-16 11:08:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:08:29,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:29,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:29,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:08:29,954 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:29,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1917321044, now seen corresponding path program 1 times [2022-10-16 11:08:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880058742] [2022-10-16 11:08:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:30,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:30,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880058742] [2022-10-16 11:08:30,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880058742] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:08:30,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420774005] [2022-10-16 11:08:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:08:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:08:30,072 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 11:08:30,076 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 11:08:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:30,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:08:30,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:08:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:30,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:08:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:30,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420774005] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:08:30,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:08:30,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 11:08:30,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812507717] [2022-10-16 11:08:30,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:08:30,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 11:08:30,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:30,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 11:08:30,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:08:30,279 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 11:08:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:30,404 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2022-10-16 11:08:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 11:08:30,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 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 11:08:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:30,406 INFO L225 Difference]: With dead ends: 246 [2022-10-16 11:08:30,406 INFO L226 Difference]: Without dead ends: 245 [2022-10-16 11:08:30,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 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 11:08:30,408 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 241 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:30,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 285 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:30,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-10-16 11:08:30,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 108. [2022-10-16 11:08:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 107 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 11:08:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2022-10-16 11:08:30,419 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 16 [2022-10-16 11:08:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:30,419 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2022-10-16 11:08:30,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 11:08:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2022-10-16 11:08:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 11:08:30,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:30,421 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:30,462 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 11:08:30,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 11:08:30,635 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 692589843, now seen corresponding path program 1 times [2022-10-16 11:08:30,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:30,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387894187] [2022-10-16 11:08:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:30,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:30,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:30,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387894187] [2022-10-16 11:08:30,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387894187] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:08:30,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686086232] [2022-10-16 11:08:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:30,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:08:30,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:08:30,712 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 11:08:30,733 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 11:08:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:08:30,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:08:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:08:30,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:08:30,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686086232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:30,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:08:30,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 11:08:30,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121641134] [2022-10-16 11:08:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:30,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:08:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:30,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:08:30,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:08:30,814 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 11:08:30,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:30,862 INFO L93 Difference]: Finished difference Result 141 states and 168 transitions. [2022-10-16 11:08:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:08:30,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 11:08:30,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:30,866 INFO L225 Difference]: With dead ends: 141 [2022-10-16 11:08:30,866 INFO L226 Difference]: Without dead ends: 140 [2022-10-16 11:08:30,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:08:30,867 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 60 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:30,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 225 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-10-16 11:08:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 107. [2022-10-16 11:08:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 102 states have (on average 1.2254901960784315) internal successors, (125), 106 states have internal predecessors, (125), 0 states have call successors, (0), 0 states 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 11:08:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-10-16 11:08:30,878 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 17 [2022-10-16 11:08:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:30,878 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-10-16 11:08:30,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 11:08:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-10-16 11:08:30,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 11:08:30,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:30,880 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 11:08:30,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:08:31,095 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,SelfDestructingSolverStorable11 [2022-10-16 11:08:31,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:31,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash -658363029, now seen corresponding path program 1 times [2022-10-16 11:08:31,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:31,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789045236] [2022-10-16 11:08:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:08:31,161 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 11:08:31,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:08:31,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789045236] [2022-10-16 11:08:31,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789045236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:08:31,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:08:31,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:08:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23892324] [2022-10-16 11:08:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:08:31,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:08:31,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:08:31,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:08:31,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:08:31,163 INFO L87 Difference]: Start difference. First operand 107 states and 125 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 11:08:31,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:08:31,185 INFO L93 Difference]: Finished difference Result 107 states and 125 transitions. [2022-10-16 11:08:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:08:31,185 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 11:08:31,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:08:31,186 INFO L225 Difference]: With dead ends: 107 [2022-10-16 11:08:31,186 INFO L226 Difference]: Without dead ends: 106 [2022-10-16 11:08:31,187 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 11:08:31,188 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 12 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:08:31,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 93 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:08:31,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-10-16 11:08:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-10-16 11:08:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 102 states have (on average 1.2156862745098038) internal successors, (124), 105 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:08:31,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2022-10-16 11:08:31,198 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 19 [2022-10-16 11:08:31,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:08:31,198 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2022-10-16 11:08:31,198 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 11:08:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2022-10-16 11:08:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 11:08:31,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:08:31,199 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 11:08:31,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 11:08:31,200 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 11:08:31,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:08:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1065582691, now seen corresponding path program 1 times [2022-10-16 11:08:31,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:08:31,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339045479] [2022-10-16 11:08:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:08:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:08:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 11:08:31,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 11:08:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 11:08:31,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 11:08:31,244 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 11:08:31,245 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 11:08:31,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 11:08:31,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 11:08:31,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 11:08:31,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 11:08:31,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 11:08:31,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 11:08:31,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 11:08:31,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 11:08:31,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 11:08:31,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 11:08:31,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 11:08:31,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 11:08:31,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 11:08:31,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 11:08:31,255 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:08:31,259 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 11:08:31,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:08:31 BoogieIcfgContainer [2022-10-16 11:08:31,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 11:08:31,296 INFO L158 Benchmark]: Toolchain (without parser) took 4828.61ms. Allocated memory was 160.4MB in the beginning and 215.0MB in the end (delta: 54.5MB). Free memory was 132.8MB in the beginning and 79.5MB in the end (delta: 53.3MB). Peak memory consumption was 109.4MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,297 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 160.4MB. Free memory was 129.7MB in the beginning and 129.7MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:08:31,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.80ms. Allocated memory is still 160.4MB. Free memory was 132.6MB in the beginning and 116.7MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.37ms. Allocated memory is still 160.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,298 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 160.4MB. Free memory was 114.5MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,298 INFO L158 Benchmark]: RCFGBuilder took 595.66ms. Allocated memory is still 160.4MB. Free memory was 113.0MB in the beginning and 134.3MB in the end (delta: -21.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,298 INFO L158 Benchmark]: TraceAbstraction took 3583.99ms. Allocated memory was 160.4MB in the beginning and 215.0MB in the end (delta: 54.5MB). Free memory was 133.8MB in the beginning and 79.5MB in the end (delta: 54.3MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. [2022-10-16 11:08:31,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 160.4MB. Free memory was 129.7MB in the beginning and 129.7MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 553.80ms. Allocated memory is still 160.4MB. Free memory was 132.6MB in the beginning and 116.7MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.37ms. Allocated memory is still 160.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 160.4MB. Free memory was 114.5MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 595.66ms. Allocated memory is still 160.4MB. Free memory was 113.0MB in the beginning and 134.3MB in the end (delta: -21.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3583.99ms. Allocated memory was 160.4MB in the beginning and 215.0MB in the end (delta: 54.5MB). Free memory was 133.8MB in the beginning and 79.5MB in the end (delta: 54.3MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L530] int length1 = __VERIFIER_nondet_int(); [L531] int length2 = __VERIFIER_nondet_int(); [L532] COND TRUE length1 < 1 [L533] length1 = 1 VAL [length1=1, length2=0] [L535] COND TRUE length2 < 1 [L536] length2 = 1 VAL [length1=1, length2=1] [L538] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L539] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L541] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L541] EXPR length1 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L541] COND FALSE !(i < length1 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L546] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L546] EXPR length2 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L546] COND FALSE !(i < length2 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L551] EXPR length1-1 [L551] nondetString1[length1-1] = '\0' VAL [__builtin_alloca (length1 * sizeof(char))={2:0}, __builtin_alloca (length2 * sizeof(char))={3:0}, i=0, i=0, length1=1, length2=1, nondetString1={2:0}, nondetString2={3:0}] [L552] EXPR length2-1 [L552] nondetString2[length2-1] = '\0' [L553] CALL cstrncmp(nondetString1,nondetString2,__VERIFIER_nondet_int()) [L516] unsigned char uc1, uc2; VAL [\old(n)=-2147483648, n=-2147483648, s1={2:0}, s1={2:0}, s2={3:0}, s2={3:0}] [L517] COND FALSE !(n == 0) VAL [\old(n)=-2147483648, n=-2147483648, s1={2:0}, s1={2:0}, s2={3:0}, s2={3:0}] [L519] n-- VAL [\old(n)=-2147483648, n=-2147483648, n--=-2147483648, s1={2:0}, s1={2:0}, s2={3:0}, s2={3:0}] - UnprovableResult [Line: 541]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 546]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 546]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 546]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 546]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 519]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 656 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 656 mSDsluCounter, 1346 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 829 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 517 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=11, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 335 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 SizeOfPredicates, 4 NumberOfNonLiveVariables, 157 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 6/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-10-16 11:08:31,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...