/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/loop-invgen/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:26:55,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:26:55,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:26:55,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:26:55,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:26:55,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:26:55,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:26:55,895 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 14:26:55,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:26:55,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:26:55,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:26:55,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:26:55,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:26:55,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:26:55,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:26:55,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:26:55,954 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:26:55,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:26:55,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:26:55,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:26:55,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:26:55,957 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:26:55,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:26:55,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:26:55,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:26:55,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:26:55,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:26:55,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:26:55,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:26:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:26:55,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:26:55,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:26:55,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:26:55,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:26:55,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:26:55,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:26:55,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:26:56,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:26:56,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:26:56,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:26:56,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:26:56,390 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:26:56,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/heapsort.i [2022-10-16 14:26:56,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c20c8f7/a5f0c3ca3a6e4ba0a20b1d3fd600dc21/FLAG78bc3381c [2022-10-16 14:26:57,062 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:26:57,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/heapsort.i [2022-10-16 14:26:57,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c20c8f7/a5f0c3ca3a6e4ba0a20b1d3fd600dc21/FLAG78bc3381c [2022-10-16 14:26:57,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c20c8f7/a5f0c3ca3a6e4ba0a20b1d3fd600dc21 [2022-10-16 14:26:57,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:26:57,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:26:57,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:26:57,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:26:57,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:26:57,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd3a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57, skipping insertion in model container [2022-10-16 14:26:57,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:26:57,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:26:57,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/heapsort.i[893,906] [2022-10-16 14:26:57,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:26:57,643 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:26:57,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/heapsort.i[893,906] [2022-10-16 14:26:57,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:26:57,682 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:26:57,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57 WrapperNode [2022-10-16 14:26:57,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:26:57,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:26:57,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:26:57,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:26:57,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,726 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 99 [2022-10-16 14:26:57,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:26:57,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:26:57,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:26:57,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:26:57,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:26:57,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:26:57,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:26:57,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:26:57,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (1/1) ... [2022-10-16 14:26:57,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:26:57,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:26:57,794 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 14:26:57,814 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 14:26:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:26:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:26:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-16 14:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-16 14:26:57,945 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:26:57,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:26:58,218 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:26:58,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:26:58,229 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 14:26:58,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:26:58 BoogieIcfgContainer [2022-10-16 14:26:58,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:26:58,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:26:58,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:26:58,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:26:58,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:26:57" (1/3) ... [2022-10-16 14:26:58,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614844bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:26:58, skipping insertion in model container [2022-10-16 14:26:58,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:57" (2/3) ... [2022-10-16 14:26:58,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614844bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:26:58, skipping insertion in model container [2022-10-16 14:26:58,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:26:58" (3/3) ... [2022-10-16 14:26:58,244 INFO L112 eAbstractionObserver]: Analyzing ICFG heapsort.i [2022-10-16 14:26:58,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:26:58,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-16 14:26:58,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:26:58,408 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;@5d382b20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:26:58,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-16 14:26:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 44 states have (on average 1.75) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:26:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:26:58,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:58,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:26:58,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:26:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2022-10-16 14:26:58,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:58,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635595568] [2022-10-16 14:26:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:26:58,811 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 14:26:58,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:26:58,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635595568] [2022-10-16 14:26:58,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635595568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:26:58,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:26:58,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:26:58,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828074338] [2022-10-16 14:26:58,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:26:58,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:26:58,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:26:58,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:26:58,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:26:58,854 INFO L87 Difference]: Start difference. First operand has 82 states, 44 states have (on average 1.75) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:58,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:26:58,951 INFO L93 Difference]: Finished difference Result 147 states and 204 transitions. [2022-10-16 14:26:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:26:58,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 14:26:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:26:58,963 INFO L225 Difference]: With dead ends: 147 [2022-10-16 14:26:58,964 INFO L226 Difference]: Without dead ends: 73 [2022-10-16 14:26:58,969 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 14:26:58,973 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 62 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:26:58,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:26:58,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-10-16 14:26:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-10-16 14:26:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 40 states have (on average 1.6) internal successors, (64), 57 states have internal predecessors, (64), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:26:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-10-16 14:26:59,030 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 4 [2022-10-16 14:26:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:26:59,031 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-16 14:26:59,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-10-16 14:26:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:26:59,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:59,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:26:59,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:26:59,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:26:59,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1179921705, now seen corresponding path program 1 times [2022-10-16 14:26:59,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:59,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182236565] [2022-10-16 14:26:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:26:59,255 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 14:26:59,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:26:59,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182236565] [2022-10-16 14:26:59,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182236565] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:26:59,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:26:59,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:26:59,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715176711] [2022-10-16 14:26:59,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:26:59,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:26:59,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:26:59,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:26:59,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:26:59,260 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:26:59,555 INFO L93 Difference]: Finished difference Result 118 states and 155 transitions. [2022-10-16 14:26:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:26:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:26:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:26:59,561 INFO L225 Difference]: With dead ends: 118 [2022-10-16 14:26:59,561 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 14:26:59,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:26:59,564 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 240 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:26:59,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 238 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:26:59,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 14:26:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 74. [2022-10-16 14:26:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 58 states have internal predecessors, (65), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:26:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2022-10-16 14:26:59,608 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 9 [2022-10-16 14:26:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:26:59,609 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2022-10-16 14:26:59,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2022-10-16 14:26:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:26:59,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:59,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:26:59,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:26:59,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:26:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1179921897, now seen corresponding path program 1 times [2022-10-16 14:26:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:59,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557732772] [2022-10-16 14:26:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:59,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:26:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:26:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:26:59,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557732772] [2022-10-16 14:26:59,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557732772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:26:59,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:26:59,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:26:59,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584456164] [2022-10-16 14:26:59,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:26:59,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:26:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:26:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:26:59,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:26:59,774 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:26:59,909 INFO L93 Difference]: Finished difference Result 129 states and 167 transitions. [2022-10-16 14:26:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:26:59,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:26:59,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:26:59,913 INFO L225 Difference]: With dead ends: 129 [2022-10-16 14:26:59,913 INFO L226 Difference]: Without dead ends: 128 [2022-10-16 14:26:59,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:26:59,916 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 148 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:26:59,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 243 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:26:59,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-10-16 14:26:59,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 73. [2022-10-16 14:26:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 57 states have internal predecessors, (64), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:26:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-10-16 14:26:59,939 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 9 [2022-10-16 14:26:59,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:26:59,939 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-16 14:26:59,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-10-16 14:26:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:26:59,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:59,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:26:59,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:26:59,941 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:26:59,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:59,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2077132757, now seen corresponding path program 1 times [2022-10-16 14:26:59,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:59,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510783758] [2022-10-16 14:26:59,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:00,031 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 14:27:00,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:00,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510783758] [2022-10-16 14:27:00,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510783758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:00,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:00,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:27:00,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189470623] [2022-10-16 14:27:00,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:00,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:27:00,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:27:00,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:27:00,042 INFO L87 Difference]: Start difference. First operand 73 states and 92 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 14:27:00,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:00,079 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2022-10-16 14:27:00,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:27:00,080 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 14:27:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:00,082 INFO L225 Difference]: With dead ends: 73 [2022-10-16 14:27:00,083 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 14:27:00,083 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 14:27:00,089 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:00,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 14:27:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-10-16 14:27:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.5) internal successors, (63), 56 states have internal predecessors, (63), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:27:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-10-16 14:27:00,145 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 10 [2022-10-16 14:27:00,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:00,145 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-10-16 14:27:00,145 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 14:27:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-10-16 14:27:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:27:00,146 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:00,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:00,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:27:00,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2077126799, now seen corresponding path program 1 times [2022-10-16 14:27:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:00,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768843702] [2022-10-16 14:27:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:00,291 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 14:27:00,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:00,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768843702] [2022-10-16 14:27:00,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768843702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:00,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:00,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:27:00,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127709350] [2022-10-16 14:27:00,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:00,297 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 14:27:00,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:00,455 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2022-10-16 14:27:00,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:00,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 14:27:00,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:00,467 INFO L225 Difference]: With dead ends: 73 [2022-10-16 14:27:00,467 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 14:27:00,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:27:00,479 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 99 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:00,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 162 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 14:27:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2022-10-16 14:27:00,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 55 states have internal predecessors, (62), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-16 14:27:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-10-16 14:27:00,515 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 10 [2022-10-16 14:27:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:00,516 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-10-16 14:27:00,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 14:27:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-10-16 14:27:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:27:00,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:00,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:27:00,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:00,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2026903578, now seen corresponding path program 1 times [2022-10-16 14:27:00,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:00,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102240023] [2022-10-16 14:27:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:00,591 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 14:27:00,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:00,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102240023] [2022-10-16 14:27:00,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102240023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:00,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:00,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:00,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318656994] [2022-10-16 14:27:00,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:00,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:00,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:00,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:00,595 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:00,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:00,651 INFO L93 Difference]: Finished difference Result 116 states and 152 transitions. [2022-10-16 14:27:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:00,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 14:27:00,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:00,654 INFO L225 Difference]: With dead ends: 116 [2022-10-16 14:27:00,654 INFO L226 Difference]: Without dead ends: 115 [2022-10-16 14:27:00,655 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 14:27:00,656 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 40 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:00,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 286 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:00,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-10-16 14:27:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2022-10-16 14:27:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 64 states have (on average 1.546875) internal successors, (99), 77 states have internal predecessors, (99), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-16 14:27:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2022-10-16 14:27:00,682 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 13 [2022-10-16 14:27:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:00,683 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2022-10-16 14:27:00,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2022-10-16 14:27:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:27:00,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:00,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:00,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:27:00,685 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:00,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:00,686 INFO L85 PathProgramCache]: Analyzing trace with hash -2090568940, now seen corresponding path program 1 times [2022-10-16 14:27:00,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:00,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749829360] [2022-10-16 14:27:00,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:00,817 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 14:27:00,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:00,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749829360] [2022-10-16 14:27:00,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749829360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:00,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:00,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:27:00,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180368246] [2022-10-16 14:27:00,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:00,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:27:00,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:00,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:27:00,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:27:00,821 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:00,967 INFO L93 Difference]: Finished difference Result 150 states and 213 transitions. [2022-10-16 14:27:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 14:27:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:00,970 INFO L225 Difference]: With dead ends: 150 [2022-10-16 14:27:00,970 INFO L226 Difference]: Without dead ends: 149 [2022-10-16 14:27:00,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:27:00,972 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 238 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:00,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 196 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-10-16 14:27:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 105. [2022-10-16 14:27:00,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 64 states have (on average 1.546875) internal successors, (99), 77 states have internal predecessors, (99), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-16 14:27:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2022-10-16 14:27:00,997 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 13 [2022-10-16 14:27:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:00,998 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2022-10-16 14:27:00,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2022-10-16 14:27:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 14:27:01,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:01,000 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:01,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:27:01,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:01,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:01,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1185454102, now seen corresponding path program 1 times [2022-10-16 14:27:01,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:01,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419473104] [2022-10-16 14:27:01,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:01,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:27:01,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:01,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419473104] [2022-10-16 14:27:01,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419473104] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:01,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:01,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:01,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416623888] [2022-10-16 14:27:01,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:01,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:01,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:01,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:01,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:01,114 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:01,243 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2022-10-16 14:27:01,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:01,243 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-10-16 14:27:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:01,247 INFO L225 Difference]: With dead ends: 170 [2022-10-16 14:27:01,248 INFO L226 Difference]: Without dead ends: 167 [2022-10-16 14:27:01,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 14:27:01,252 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 98 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:01,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 136 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-10-16 14:27:01,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 113. [2022-10-16 14:27:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5) internal successors, (105), 81 states have internal predecessors, (105), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-10-16 14:27:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2022-10-16 14:27:01,282 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 26 [2022-10-16 14:27:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:01,283 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2022-10-16 14:27:01,283 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-10-16 14:27:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:27:01,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:01,285 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:01,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:27:01,285 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:01,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1261991286, now seen corresponding path program 1 times [2022-10-16 14:27:01,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:01,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724057499] [2022-10-16 14:27:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:01,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:27:01,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:01,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724057499] [2022-10-16 14:27:01,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724057499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:01,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:01,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683496238] [2022-10-16 14:27:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:01,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:01,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:01,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:01,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:01,375 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:01,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:01,417 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2022-10-16 14:27:01,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:01,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-10-16 14:27:01,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:01,419 INFO L225 Difference]: With dead ends: 115 [2022-10-16 14:27:01,419 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 14:27:01,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 14:27:01,421 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 39 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:01,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 170 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 14:27:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2022-10-16 14:27:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 77 states have internal predecessors, (101), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-10-16 14:27:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2022-10-16 14:27:01,442 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 27 [2022-10-16 14:27:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:01,442 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2022-10-16 14:27:01,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2022-10-16 14:27:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:27:01,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:01,444 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:01,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:27:01,445 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:01,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:01,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1069020703, now seen corresponding path program 1 times [2022-10-16 14:27:01,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:01,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686940389] [2022-10-16 14:27:01,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:01,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:27:01,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:01,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686940389] [2022-10-16 14:27:01,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686940389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:01,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:01,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:27:01,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191998858] [2022-10-16 14:27:01,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:01,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:27:01,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:01,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:27:01,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:27:01,652 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:02,093 INFO L93 Difference]: Finished difference Result 334 states and 498 transitions. [2022-10-16 14:27:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:27:02,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-10-16 14:27:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:02,096 INFO L225 Difference]: With dead ends: 334 [2022-10-16 14:27:02,096 INFO L226 Difference]: Without dead ends: 237 [2022-10-16 14:27:02,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:27:02,099 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 290 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:02,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 254 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:27:02,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2022-10-16 14:27:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 113. [2022-10-16 14:27:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 72 states have (on average 1.4583333333333333) internal successors, (105), 81 states have internal predecessors, (105), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-10-16 14:27:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2022-10-16 14:27:02,134 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 27 [2022-10-16 14:27:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:02,135 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2022-10-16 14:27:02,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-10-16 14:27:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:27:02,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:02,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:02,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:27:02,139 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:02,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1905628413, now seen corresponding path program 1 times [2022-10-16 14:27:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:02,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621785682] [2022-10-16 14:27:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:27:02,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:02,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621785682] [2022-10-16 14:27:02,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621785682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:02,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:02,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:27:02,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38512539] [2022-10-16 14:27:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:02,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:27:02,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:02,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:27:02,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:27:02,208 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:02,261 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2022-10-16 14:27:02,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:27:02,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-10-16 14:27:02,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:02,264 INFO L225 Difference]: With dead ends: 116 [2022-10-16 14:27:02,264 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 14:27:02,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 14:27:02,265 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 31 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:02,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 91 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 14:27:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2022-10-16 14:27:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.375) internal successors, (99), 78 states have internal predecessors, (99), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-10-16 14:27:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2022-10-16 14:27:02,290 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 27 [2022-10-16 14:27:02,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:02,290 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2022-10-16 14:27:02,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2022-10-16 14:27:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:27:02,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:02,292 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:02,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:27:02,293 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash 451711897, now seen corresponding path program 1 times [2022-10-16 14:27:02,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:02,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268588970] [2022-10-16 14:27:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:27:02,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:02,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268588970] [2022-10-16 14:27:02,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268588970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:02,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:02,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:27:02,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350770377] [2022-10-16 14:27:02,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:02,377 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:02,630 INFO L93 Difference]: Finished difference Result 370 states and 563 transitions. [2022-10-16 14:27:02,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:27:02,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-10-16 14:27:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:02,633 INFO L225 Difference]: With dead ends: 370 [2022-10-16 14:27:02,633 INFO L226 Difference]: Without dead ends: 276 [2022-10-16 14:27:02,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:27:02,635 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 135 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:02,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 232 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:27:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-10-16 14:27:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 174. [2022-10-16 14:27:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 112 states have (on average 1.3839285714285714) internal successors, (155), 118 states have internal predecessors, (155), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-16 14:27:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 263 transitions. [2022-10-16 14:27:02,681 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 263 transitions. Word has length 27 [2022-10-16 14:27:02,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:02,681 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 263 transitions. [2022-10-16 14:27:02,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:27:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2022-10-16 14:27:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 14:27:02,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:02,683 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:02,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:27:02,684 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:02,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1428216458, now seen corresponding path program 1 times [2022-10-16 14:27:02,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:02,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541367602] [2022-10-16 14:27:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:27:02,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:02,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541367602] [2022-10-16 14:27:02,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541367602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:02,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:02,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:27:02,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772452055] [2022-10-16 14:27:02,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:02,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:02,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:02,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:02,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:02,773 INFO L87 Difference]: Start difference. First operand 174 states and 263 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:02,900 INFO L93 Difference]: Finished difference Result 218 states and 326 transitions. [2022-10-16 14:27:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:27:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-10-16 14:27:02,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:02,903 INFO L225 Difference]: With dead ends: 218 [2022-10-16 14:27:02,903 INFO L226 Difference]: Without dead ends: 217 [2022-10-16 14:27:02,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:27:02,904 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 96 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:02,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 227 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-10-16 14:27:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2022-10-16 14:27:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 143 states have internal predecessors, (188), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-10-16 14:27:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 324 transitions. [2022-10-16 14:27:02,952 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 324 transitions. Word has length 40 [2022-10-16 14:27:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:02,952 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 324 transitions. [2022-10-16 14:27:02,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 324 transitions. [2022-10-16 14:27:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 14:27:02,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:02,954 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:02,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:27:02,955 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:02,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1283702332, now seen corresponding path program 1 times [2022-10-16 14:27:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061552733] [2022-10-16 14:27:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:02,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:27:03,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:03,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061552733] [2022-10-16 14:27:03,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061552733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:03,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:03,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:27:03,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719623120] [2022-10-16 14:27:03,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:03,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:03,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:03,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:03,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:03,068 INFO L87 Difference]: Start difference. First operand 213 states and 324 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:03,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:03,148 INFO L93 Difference]: Finished difference Result 222 states and 328 transitions. [2022-10-16 14:27:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:03,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-10-16 14:27:03,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:03,150 INFO L225 Difference]: With dead ends: 222 [2022-10-16 14:27:03,150 INFO L226 Difference]: Without dead ends: 171 [2022-10-16 14:27:03,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:27:03,152 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 4 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:03,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 270 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-10-16 14:27:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-10-16 14:27:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 115 states have internal predecessors, (150), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-16 14:27:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 258 transitions. [2022-10-16 14:27:03,186 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 258 transitions. Word has length 40 [2022-10-16 14:27:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:03,186 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 258 transitions. [2022-10-16 14:27:03,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 258 transitions. [2022-10-16 14:27:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 14:27:03,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:03,188 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:03,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:27:03,189 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:03,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash 362083678, now seen corresponding path program 1 times [2022-10-16 14:27:03,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:03,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836911556] [2022-10-16 14:27:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:27:03,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:03,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836911556] [2022-10-16 14:27:03,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836911556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:03,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:03,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:03,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769823616] [2022-10-16 14:27:03,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:03,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:03,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:03,255 INFO L87 Difference]: Start difference. First operand 171 states and 258 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 14:27:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:03,303 INFO L93 Difference]: Finished difference Result 171 states and 258 transitions. [2022-10-16 14:27:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:03,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-10-16 14:27:03,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:03,306 INFO L225 Difference]: With dead ends: 171 [2022-10-16 14:27:03,306 INFO L226 Difference]: Without dead ends: 170 [2022-10-16 14:27:03,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 14:27:03,307 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 3 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 201 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 14:27:03,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 201 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-16 14:27:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-10-16 14:27:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 114 states have internal predecessors, (149), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-16 14:27:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 257 transitions. [2022-10-16 14:27:03,342 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 257 transitions. Word has length 41 [2022-10-16 14:27:03,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:03,342 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 257 transitions. [2022-10-16 14:27:03,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 14:27:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2022-10-16 14:27:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 14:27:03,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:03,344 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:03,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 14:27:03,344 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:03,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:03,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1325037090, now seen corresponding path program 1 times [2022-10-16 14:27:03,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:03,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684182185] [2022-10-16 14:27:03,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:27:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:03,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684182185] [2022-10-16 14:27:03,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684182185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:03,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:03,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:03,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203216181] [2022-10-16 14:27:03,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:03,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:03,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:03,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:03,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:03,411 INFO L87 Difference]: Start difference. First operand 170 states and 257 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:03,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:03,466 INFO L93 Difference]: Finished difference Result 170 states and 257 transitions. [2022-10-16 14:27:03,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:03,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-10-16 14:27:03,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:03,468 INFO L225 Difference]: With dead ends: 170 [2022-10-16 14:27:03,468 INFO L226 Difference]: Without dead ends: 169 [2022-10-16 14:27:03,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 14:27:03,469 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 25 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:03,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 156 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-10-16 14:27:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-10-16 14:27:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 113 states have internal predecessors, (147), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-16 14:27:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 255 transitions. [2022-10-16 14:27:03,507 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 255 transitions. Word has length 41 [2022-10-16 14:27:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:03,507 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 255 transitions. [2022-10-16 14:27:03,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:27:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 255 transitions. [2022-10-16 14:27:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 14:27:03,508 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:03,508 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:03,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 14:27:03,509 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:03,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2122929657, now seen corresponding path program 1 times [2022-10-16 14:27:03,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:03,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638896461] [2022-10-16 14:27:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:27:03,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:03,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638896461] [2022-10-16 14:27:03,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638896461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:03,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:03,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:27:03,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441695385] [2022-10-16 14:27:03,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:03,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:03,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:03,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:03,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:03,582 INFO L87 Difference]: Start difference. First operand 169 states and 255 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 14:27:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:03,684 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2022-10-16 14:27:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:03,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-10-16 14:27:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:03,687 INFO L225 Difference]: With dead ends: 172 [2022-10-16 14:27:03,687 INFO L226 Difference]: Without dead ends: 171 [2022-10-16 14:27:03,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:27:03,688 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 30 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:03,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 397 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:03,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-10-16 14:27:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 99. [2022-10-16 14:27:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 69 states have internal predecessors, (85), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-10-16 14:27:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2022-10-16 14:27:03,718 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 44 [2022-10-16 14:27:03,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:03,719 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2022-10-16 14:27:03,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 14:27:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2022-10-16 14:27:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 14:27:03,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:03,720 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:03,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 14:27:03,721 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:03,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:03,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1593126601, now seen corresponding path program 1 times [2022-10-16 14:27:03,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:03,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502068406] [2022-10-16 14:27:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:27:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:27:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:27:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:27:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:27:03,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:03,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502068406] [2022-10-16 14:27:03,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502068406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:03,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:03,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:27:03,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954415795] [2022-10-16 14:27:03,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:03,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:03,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:03,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:03,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:03,816 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:27:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:03,978 INFO L93 Difference]: Finished difference Result 136 states and 190 transitions. [2022-10-16 14:27:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:27:03,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-10-16 14:27:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:03,980 INFO L225 Difference]: With dead ends: 136 [2022-10-16 14:27:03,980 INFO L226 Difference]: Without dead ends: 134 [2022-10-16 14:27:03,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:27:03,981 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 140 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:03,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 177 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-10-16 14:27:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2022-10-16 14:27:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 70 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:27:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 148 transitions. [2022-10-16 14:27:04,008 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 148 transitions. Word has length 49 [2022-10-16 14:27:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:04,008 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 148 transitions. [2022-10-16 14:27:04,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:27:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2022-10-16 14:27:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 14:27:04,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:04,010 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:04,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 14:27:04,010 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2142284501, now seen corresponding path program 1 times [2022-10-16 14:27:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:04,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779563159] [2022-10-16 14:27:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:27:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:27:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:27:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:27:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:27:04,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:04,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779563159] [2022-10-16 14:27:04,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779563159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:04,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:04,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:04,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593002357] [2022-10-16 14:27:04,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:04,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:04,098 INFO L87 Difference]: Start difference. First operand 104 states and 148 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:27:04,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:04,219 INFO L93 Difference]: Finished difference Result 183 states and 271 transitions. [2022-10-16 14:27:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:04,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2022-10-16 14:27:04,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:04,221 INFO L225 Difference]: With dead ends: 183 [2022-10-16 14:27:04,221 INFO L226 Difference]: Without dead ends: 182 [2022-10-16 14:27:04,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 14:27:04,223 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 65 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:04,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 152 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-10-16 14:27:04,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2022-10-16 14:27:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 102 states have (on average 1.2745098039215685) internal successors, (130), 104 states have internal predecessors, (130), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-10-16 14:27:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 246 transitions. [2022-10-16 14:27:04,266 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 246 transitions. Word has length 50 [2022-10-16 14:27:04,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:04,267 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 246 transitions. [2022-10-16 14:27:04,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:27:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2022-10-16 14:27:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 14:27:04,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:04,269 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:04,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 14:27:04,269 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:04,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:04,270 INFO L85 PathProgramCache]: Analyzing trace with hash -67608451, now seen corresponding path program 1 times [2022-10-16 14:27:04,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:04,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633881524] [2022-10-16 14:27:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:27:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:27:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:27:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 14:27:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:27:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 14:27:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 14:27:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 14:27:04,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:04,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633881524] [2022-10-16 14:27:04,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633881524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:04,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:04,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:27:04,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678906475] [2022-10-16 14:27:04,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:04,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:27:04,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:27:04,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:27:04,410 INFO L87 Difference]: Start difference. First operand 164 states and 246 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 14:27:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:04,587 INFO L93 Difference]: Finished difference Result 310 states and 475 transitions. [2022-10-16 14:27:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:27:04,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 76 [2022-10-16 14:27:04,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:04,591 INFO L225 Difference]: With dead ends: 310 [2022-10-16 14:27:04,591 INFO L226 Difference]: Without dead ends: 309 [2022-10-16 14:27:04,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:27:04,592 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 47 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:04,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 216 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-10-16 14:27:04,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 239. [2022-10-16 14:27:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 147 states have (on average 1.2857142857142858) internal successors, (189), 149 states have internal predecessors, (189), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-10-16 14:27:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 365 transitions. [2022-10-16 14:27:04,656 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 365 transitions. Word has length 76 [2022-10-16 14:27:04,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:04,657 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 365 transitions. [2022-10-16 14:27:04,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 14:27:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 365 transitions. [2022-10-16 14:27:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 14:27:04,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:04,659 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:04,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 14:27:04,659 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:04,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash 61794237, now seen corresponding path program 1 times [2022-10-16 14:27:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:04,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398447297] [2022-10-16 14:27:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:27:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:27:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:27:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 14:27:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:27:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:27:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:27:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 14:27:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 14:27:04,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:04,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398447297] [2022-10-16 14:27:04,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398447297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:04,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:04,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:27:04,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18260710] [2022-10-16 14:27:04,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:04,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:27:04,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:04,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:27:04,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:27:04,788 INFO L87 Difference]: Start difference. First operand 239 states and 365 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:27:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:05,038 INFO L93 Difference]: Finished difference Result 326 states and 485 transitions. [2022-10-16 14:27:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:27:05,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2022-10-16 14:27:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:05,042 INFO L225 Difference]: With dead ends: 326 [2022-10-16 14:27:05,042 INFO L226 Difference]: Without dead ends: 325 [2022-10-16 14:27:05,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:27:05,043 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 143 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:05,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 218 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-10-16 14:27:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 209. [2022-10-16 14:27:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 135 states have (on average 1.2666666666666666) internal successors, (171), 137 states have internal predecessors, (171), 70 states have call successors, (70), 1 states have call predecessors, (70), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2022-10-16 14:27:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 311 transitions. [2022-10-16 14:27:05,118 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 311 transitions. Word has length 77 [2022-10-16 14:27:05,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:05,119 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 311 transitions. [2022-10-16 14:27:05,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:27:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 311 transitions. [2022-10-16 14:27:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 14:27:05,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:05,121 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:05,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 14:27:05,121 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:05,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:05,122 INFO L85 PathProgramCache]: Analyzing trace with hash 311388598, now seen corresponding path program 1 times [2022-10-16 14:27:05,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:05,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145381383] [2022-10-16 14:27:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:05,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:27:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:27:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 14:27:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 14:27:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:27:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 14:27:05,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:05,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145381383] [2022-10-16 14:27:05,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145381383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:05,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:05,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:05,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370560538] [2022-10-16 14:27:05,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:05,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:05,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:05,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:05,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:05,219 INFO L87 Difference]: Start difference. First operand 209 states and 311 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 14:27:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:05,373 INFO L93 Difference]: Finished difference Result 280 states and 415 transitions. [2022-10-16 14:27:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:27:05,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 80 [2022-10-16 14:27:05,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:05,377 INFO L225 Difference]: With dead ends: 280 [2022-10-16 14:27:05,377 INFO L226 Difference]: Without dead ends: 279 [2022-10-16 14:27:05,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 14:27:05,379 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 57 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:05,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 244 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:05,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-10-16 14:27:05,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 253. [2022-10-16 14:27:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 157 states have (on average 1.2611464968152866) internal successors, (198), 159 states have internal predecessors, (198), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-10-16 14:27:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 382 transitions. [2022-10-16 14:27:05,438 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 382 transitions. Word has length 80 [2022-10-16 14:27:05,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:05,439 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 382 transitions. [2022-10-16 14:27:05,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 14:27:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 382 transitions. [2022-10-16 14:27:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 14:27:05,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:05,442 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:05,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 14:27:05,442 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:05,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 706061672, now seen corresponding path program 1 times [2022-10-16 14:27:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:05,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612570597] [2022-10-16 14:27:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:05,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:27:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:27:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 14:27:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 14:27:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:27:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 14:27:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 14:27:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-10-16 14:27:05,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:05,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612570597] [2022-10-16 14:27:05,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612570597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:05,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:05,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:27:05,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123035030] [2022-10-16 14:27:05,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:05,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:27:05,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:05,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:27:05,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:27:05,540 INFO L87 Difference]: Start difference. First operand 253 states and 382 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:27:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:05,718 INFO L93 Difference]: Finished difference Result 361 states and 556 transitions. [2022-10-16 14:27:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:27:05,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 94 [2022-10-16 14:27:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:05,722 INFO L225 Difference]: With dead ends: 361 [2022-10-16 14:27:05,722 INFO L226 Difference]: Without dead ends: 360 [2022-10-16 14:27:05,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 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 14:27:05,723 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 25 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:05,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 218 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-10-16 14:27:05,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 252. [2022-10-16 14:27:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 157 states have (on average 1.2420382165605095) internal successors, (195), 158 states have internal predecessors, (195), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-10-16 14:27:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 379 transitions. [2022-10-16 14:27:05,787 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 379 transitions. Word has length 94 [2022-10-16 14:27:05,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:05,787 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 379 transitions. [2022-10-16 14:27:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:27:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 379 transitions. [2022-10-16 14:27:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 14:27:05,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:05,790 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:05,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 14:27:05,790 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1771324656, now seen corresponding path program 1 times [2022-10-16 14:27:05,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:05,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842149126] [2022-10-16 14:27:05,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:05,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:27:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:27:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:27:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 14:27:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 14:27:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:27:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 14:27:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:27:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 14:27:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-16 14:27:05,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:05,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842149126] [2022-10-16 14:27:05,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842149126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:05,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:27:05,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:27:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122030137] [2022-10-16 14:27:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:05,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:27:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:27:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:27:05,942 INFO L87 Difference]: Start difference. First operand 252 states and 379 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:27:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:06,153 INFO L93 Difference]: Finished difference Result 261 states and 389 transitions. [2022-10-16 14:27:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:27:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 107 [2022-10-16 14:27:06,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:06,156 INFO L225 Difference]: With dead ends: 261 [2022-10-16 14:27:06,156 INFO L226 Difference]: Without dead ends: 260 [2022-10-16 14:27:06,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:27:06,158 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 43 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:06,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 312 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:27:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-10-16 14:27:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 109. [2022-10-16 14:27:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.178082191780822) internal successors, (86), 73 states have internal predecessors, (86), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-10-16 14:27:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2022-10-16 14:27:06,193 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 107 [2022-10-16 14:27:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:06,194 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2022-10-16 14:27:06,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:27:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2022-10-16 14:27:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 14:27:06,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:06,199 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:06,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 14:27:06,200 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:06,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:06,201 INFO L85 PathProgramCache]: Analyzing trace with hash 84192554, now seen corresponding path program 1 times [2022-10-16 14:27:06,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:06,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140970351] [2022-10-16 14:27:06,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:27:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:27:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:27:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:27:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:27:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 14:27:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 14:27:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 14:27:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 14:27:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 14:27:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 14:27:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2022-10-16 14:27:06,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:06,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140970351] [2022-10-16 14:27:06,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140970351] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:27:06,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275999950] [2022-10-16 14:27:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:06,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:27:06,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:27:06,532 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 14:27:06,546 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 14:27:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:06,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:27:06,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:27:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-16 14:27:06,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:27:06,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275999950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:06,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:27:06,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2022-10-16 14:27:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592417839] [2022-10-16 14:27:06,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:06,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:27:06,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:06,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:27:06,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:27:06,842 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:27:07,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:07,231 INFO L93 Difference]: Finished difference Result 323 states and 474 transitions. [2022-10-16 14:27:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:27:07,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 108 [2022-10-16 14:27:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:07,240 INFO L225 Difference]: With dead ends: 323 [2022-10-16 14:27:07,240 INFO L226 Difference]: Without dead ends: 248 [2022-10-16 14:27:07,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:27:07,242 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 75 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:07,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 357 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:27:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-10-16 14:27:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 172. [2022-10-16 14:27:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 110 states have (on average 1.2) internal successors, (132), 110 states have internal predecessors, (132), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2022-10-16 14:27:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 252 transitions. [2022-10-16 14:27:07,301 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 252 transitions. Word has length 108 [2022-10-16 14:27:07,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:07,301 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 252 transitions. [2022-10-16 14:27:07,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 14:27:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 252 transitions. [2022-10-16 14:27:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 14:27:07,305 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:27:07,305 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:07,346 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 14:27:07,520 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,SelfDestructingSolverStorable24 [2022-10-16 14:27:07,521 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 14:27:07,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:27:07,522 INFO L85 PathProgramCache]: Analyzing trace with hash -878804782, now seen corresponding path program 1 times [2022-10-16 14:27:07,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:27:07,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373610453] [2022-10-16 14:27:07,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:07,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:27:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:27:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:27:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:27:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:27:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:27:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:27:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:27:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 14:27:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 14:27:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 14:27:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 14:27:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 14:27:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:27:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:27:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 14:27:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 14:27:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 14:27:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-16 14:27:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-16 14:27:07,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:07,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373610453] [2022-10-16 14:27:07,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373610453] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:27:07,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305015604] [2022-10-16 14:27:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:27:07,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:27:07,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:27:07,840 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 14:27:07,863 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 14:27:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:27:07,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:27:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-16 14:27:08,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:27:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-16 14:27:08,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305015604] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:27:08,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:27:08,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2022-10-16 14:27:08,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491332312] [2022-10-16 14:27:08,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:27:08,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:27:08,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:08,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:27:08,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:27:08,259 INFO L87 Difference]: Start difference. First operand 172 states and 252 transitions. Second operand has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 8 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 8 states have call predecessors, (54), 8 states have call successors, (54) [2022-10-16 14:27:10,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:10,546 INFO L93 Difference]: Finished difference Result 647 states and 971 transitions. [2022-10-16 14:27:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:27:10,547 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 8 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 8 states have call predecessors, (54), 8 states have call successors, (54) Word has length 134 [2022-10-16 14:27:10,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:10,548 INFO L225 Difference]: With dead ends: 647 [2022-10-16 14:27:10,548 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:27:10,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=779, Invalid=2761, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:27:10,552 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 521 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 2746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:10,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 764 Invalid, 2746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 14:27:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:27:10,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:27:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states 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 14:27:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:27:10,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2022-10-16 14:27:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:10,555 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:27:10,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 8 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 8 states have call predecessors, (54), 8 states have call successors, (54) [2022-10-16 14:27:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:27:10,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:27:10,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-10-16 14:27:10,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-10-16 14:27:10,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-10-16 14:27:10,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-10-16 14:27:10,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-10-16 14:27:10,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-10-16 14:27:10,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-10-16 14:27:10,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-10-16 14:27:10,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-10-16 14:27:10,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-10-16 14:27:10,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-10-16 14:27:10,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-10-16 14:27:10,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-10-16 14:27:10,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-10-16 14:27:10,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-10-16 14:27:10,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-10-16 14:27:10,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-10-16 14:27:10,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-10-16 14:27:10,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-10-16 14:27:10,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-10-16 14:27:10,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-10-16 14:27:10,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-10-16 14:27:10,601 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 14:27:10,778 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,SelfDestructingSolverStorable25 [2022-10-16 14:27:10,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:27:34,858 WARN L233 SmtUtils]: Spent 23.93s on a formula simplification. DAG size of input: 142 DAG size of output: 139 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:27:58,043 WARN L233 SmtUtils]: Spent 23.18s on a formula simplification. DAG size of input: 142 DAG size of output: 139 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:28:52,921 WARN L233 SmtUtils]: Spent 54.72s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:29:09,627 WARN L233 SmtUtils]: Spent 16.70s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:29:32,903 WARN L233 SmtUtils]: Spent 23.27s on a formula simplification. DAG size of input: 142 DAG size of output: 139 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:30:28,406 WARN L233 SmtUtils]: Spent 55.07s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:30:44,945 WARN L233 SmtUtils]: Spent 16.54s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:30:56,155 WARN L233 SmtUtils]: Spent 11.21s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 14:31:19,530 WARN L233 SmtUtils]: Spent 22.99s on a formula simplification. DAG size of input: 142 DAG size of output: 139 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)