/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:56:10,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:56:10,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:56:10,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:56:10,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:56:10,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:56:10,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:56:10,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:56:11,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:56:11,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:56:11,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:56:11,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:56:11,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:56:11,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:56:11,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:56:11,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:56:11,022 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:56:11,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:56:11,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:56:11,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:56:11,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:56:11,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:56:11,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:56:11,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:56:11,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:56:11,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:56:11,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:56:11,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:56:11,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:56:11,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:56:11,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:56:11,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:56:11,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:56:11,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:56:11,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:11,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:56:11,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:56:11,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:56:11,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:56:11,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:56:11,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:56:11,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:56:11,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:56:11,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:56:11,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:56:11,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:56:11,502 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:56:11,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c [2022-10-15 21:56:11,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5cf1fa/c0793350dabf4718b108e0f422bab7de/FLAG45a86a69a [2022-10-15 21:56:12,329 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:56:12,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c [2022-10-15 21:56:12,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5cf1fa/c0793350dabf4718b108e0f422bab7de/FLAG45a86a69a [2022-10-15 21:56:12,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab5cf1fa/c0793350dabf4718b108e0f422bab7de [2022-10-15 21:56:12,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:56:12,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:56:12,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:12,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:56:12,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:56:12,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:12" (1/1) ... [2022-10-15 21:56:12,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3302ea13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:12, skipping insertion in model container [2022-10-15 21:56:12,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:12" (1/1) ... [2022-10-15 21:56:12,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:56:12,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:56:12,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c[5984,5997] [2022-10-15 21:56:12,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:12,909 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:56:12,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c[5984,5997] [2022-10-15 21:56:12,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:12,999 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:56:13,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13 WrapperNode [2022-10-15 21:56:13,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:13,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:13,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:56:13,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:56:13,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,108 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2022-10-15 21:56:13,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:13,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:56:13,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:56:13,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:56:13,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:56:13,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:56:13,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:56:13,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:56:13,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (1/1) ... [2022-10-15 21:56:13,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:13,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:56:13,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:56:13,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:56:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:56:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:56:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:56:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:56:13,451 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:56:13,454 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:56:13,903 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:56:13,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:56:13,922 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:56:13,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:13 BoogieIcfgContainer [2022-10-15 21:56:13,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:56:13,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:56:13,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:56:13,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:56:13,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:56:12" (1/3) ... [2022-10-15 21:56:13,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc3f23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:13, skipping insertion in model container [2022-10-15 21:56:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:13" (2/3) ... [2022-10-15 21:56:13,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc3f23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:13, skipping insertion in model container [2022-10-15 21:56:13,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:13" (3/3) ... [2022-10-15 21:56:13,939 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c [2022-10-15 21:56:13,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:56:13,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-15 21:56:14,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:56:14,075 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;@28b61a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:56:14,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-15 21:56:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.736842105263158) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:56:14,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:14,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:14,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1091460306, now seen corresponding path program 1 times [2022-10-15 21:56:14,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762874739] [2022-10-15 21:56:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:14,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:14,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762874739] [2022-10-15 21:56:14,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762874739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:14,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:14,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:56:14,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061952726] [2022-10-15 21:56:14,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:14,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:56:14,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:14,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:56:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:14,487 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.736842105263158) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-10-15 21:56:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:14,520 INFO L93 Difference]: Finished difference Result 165 states and 226 transitions. [2022-10-15 21:56:14,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:56:14,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2022-10-15 21:56:14,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:14,535 INFO L225 Difference]: With dead ends: 165 [2022-10-15 21:56:14,536 INFO L226 Difference]: Without dead ends: 88 [2022-10-15 21:56:14,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:14,545 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:14,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-10-15 21:56:14,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-10-15 21:56:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 72 states have (on average 1.7222222222222223) internal successors, (124), 87 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 124 transitions. [2022-10-15 21:56:14,597 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 124 transitions. Word has length 10 [2022-10-15 21:56:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:14,598 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 124 transitions. [2022-10-15 21:56:14,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-10-15 21:56:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2022-10-15 21:56:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:56:14,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:14,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:56:14,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1093307348, now seen corresponding path program 1 times [2022-10-15 21:56:14,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054621804] [2022-10-15 21:56:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:14,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054621804] [2022-10-15 21:56:14,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054621804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:14,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:14,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:14,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887259418] [2022-10-15 21:56:14,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:14,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:14,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:14,846 INFO L87 Difference]: Start difference. First operand 88 states and 124 transitions. Second operand has 5 states, 5 states have (on average 2.0) 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) [2022-10-15 21:56:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,018 INFO L93 Difference]: Finished difference Result 224 states and 300 transitions. [2022-10-15 21:56:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:15,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) 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 [2022-10-15 21:56:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,022 INFO L225 Difference]: With dead ends: 224 [2022-10-15 21:56:15,022 INFO L226 Difference]: Without dead ends: 154 [2022-10-15 21:56:15,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:15,025 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 88 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 458 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-10-15 21:56:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 88. [2022-10-15 21:56:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 72 states have (on average 1.5) internal successors, (108), 87 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 108 transitions. [2022-10-15 21:56:15,039 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 108 transitions. Word has length 10 [2022-10-15 21:56:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,039 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 108 transitions. [2022-10-15 21:56:15,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) 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) [2022-10-15 21:56:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 108 transitions. [2022-10-15 21:56:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:56:15,041 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:56:15,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1421145257, now seen corresponding path program 1 times [2022-10-15 21:56:15,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905735574] [2022-10-15 21:56:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905735574] [2022-10-15 21:56:15,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905735574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715786785] [2022-10-15 21:56:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:15,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:15,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,220 INFO L87 Difference]: Start difference. First operand 88 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,259 INFO L93 Difference]: Finished difference Result 210 states and 266 transitions. [2022-10-15 21:56:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:15,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-10-15 21:56:15,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,261 INFO L225 Difference]: With dead ends: 210 [2022-10-15 21:56:15,262 INFO L226 Difference]: Without dead ends: 144 [2022-10-15 21:56:15,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,264 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 72 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:15,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-10-15 21:56:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 130. [2022-10-15 21:56:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.5701754385964912) internal successors, (179), 129 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2022-10-15 21:56:15,294 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 25 [2022-10-15 21:56:15,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,295 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2022-10-15 21:56:15,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2022-10-15 21:56:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:56:15,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:56:15,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:15,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,302 INFO L85 PathProgramCache]: Analyzing trace with hash -253579051, now seen corresponding path program 1 times [2022-10-15 21:56:15,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002457731] [2022-10-15 21:56:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002457731] [2022-10-15 21:56:15,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002457731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266818210] [2022-10-15 21:56:15,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:15,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:15,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:15,564 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,729 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2022-10-15 21:56:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:15,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-15 21:56:15,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,733 INFO L225 Difference]: With dead ends: 343 [2022-10-15 21:56:15,734 INFO L226 Difference]: Without dead ends: 340 [2022-10-15 21:56:15,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:15,736 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 249 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 195 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-10-15 21:56:15,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 222. [2022-10-15 21:56:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 206 states have (on average 1.6019417475728155) internal successors, (330), 221 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2022-10-15 21:56:15,766 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 330 transitions. Word has length 36 [2022-10-15 21:56:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,766 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 330 transitions. [2022-10-15 21:56:15,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 330 transitions. [2022-10-15 21:56:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:56:15,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:56:15,769 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,770 INFO L85 PathProgramCache]: Analyzing trace with hash 728984265, now seen corresponding path program 1 times [2022-10-15 21:56:15,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972895056] [2022-10-15 21:56:15,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972895056] [2022-10-15 21:56:15,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972895056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347542620] [2022-10-15 21:56:15,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:15,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:15,884 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,989 INFO L93 Difference]: Finished difference Result 327 states and 487 transitions. [2022-10-15 21:56:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:15,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-15 21:56:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,992 INFO L225 Difference]: With dead ends: 327 [2022-10-15 21:56:15,992 INFO L226 Difference]: Without dead ends: 324 [2022-10-15 21:56:15,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:15,995 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 248 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 139 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-10-15 21:56:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 314. [2022-10-15 21:56:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 298 states have (on average 1.5939597315436242) internal successors, (475), 313 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 475 transitions. [2022-10-15 21:56:16,028 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 475 transitions. Word has length 37 [2022-10-15 21:56:16,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:16,029 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 475 transitions. [2022-10-15 21:56:16,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 475 transitions. [2022-10-15 21:56:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 21:56:16,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:16,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:56:16,031 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1123675991, now seen corresponding path program 1 times [2022-10-15 21:56:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:16,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219435873] [2022-10-15 21:56:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:16,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:16,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:16,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219435873] [2022-10-15 21:56:16,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219435873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:16,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:16,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:16,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495941976] [2022-10-15 21:56:16,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:16,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:16,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:16,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:16,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:16,168 INFO L87 Difference]: Start difference. First operand 314 states and 475 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:16,512 INFO L93 Difference]: Finished difference Result 1110 states and 1683 transitions. [2022-10-15 21:56:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:56:16,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 21:56:16,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:16,521 INFO L225 Difference]: With dead ends: 1110 [2022-10-15 21:56:16,521 INFO L226 Difference]: Without dead ends: 818 [2022-10-15 21:56:16,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:56:16,533 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 569 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:16,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 379 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-10-15 21:56:16,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 590. [2022-10-15 21:56:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 574 states have (on average 1.5644599303135889) internal successors, (898), 589 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 898 transitions. [2022-10-15 21:56:16,596 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 898 transitions. Word has length 38 [2022-10-15 21:56:16,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:16,597 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 898 transitions. [2022-10-15 21:56:16,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 898 transitions. [2022-10-15 21:56:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 21:56:16,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:16,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:16,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:56:16,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:16,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:16,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1817612233, now seen corresponding path program 1 times [2022-10-15 21:56:16,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929822309] [2022-10-15 21:56:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:16,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929822309] [2022-10-15 21:56:16,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929822309] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:16,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:16,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:16,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769191826] [2022-10-15 21:56:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:16,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:16,683 INFO L87 Difference]: Start difference. First operand 590 states and 898 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:16,774 INFO L93 Difference]: Finished difference Result 1654 states and 2530 transitions. [2022-10-15 21:56:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 21:56:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:16,786 INFO L225 Difference]: With dead ends: 1654 [2022-10-15 21:56:16,786 INFO L226 Difference]: Without dead ends: 1086 [2022-10-15 21:56:16,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:16,792 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 72 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:16,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-10-15 21:56:16,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1070. [2022-10-15 21:56:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1054 states have (on average 1.5578747628083491) internal successors, (1642), 1069 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1642 transitions. [2022-10-15 21:56:16,873 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1642 transitions. Word has length 38 [2022-10-15 21:56:16,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:16,876 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1642 transitions. [2022-10-15 21:56:16,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1642 transitions. [2022-10-15 21:56:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 21:56:16,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:16,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:16,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:56:16,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:16,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash 474217611, now seen corresponding path program 1 times [2022-10-15 21:56:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:16,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263908419] [2022-10-15 21:56:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:16,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:16,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263908419] [2022-10-15 21:56:16,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263908419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:16,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:16,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:16,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537887750] [2022-10-15 21:56:16,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:16,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:16,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:17,001 INFO L87 Difference]: Start difference. First operand 1070 states and 1642 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:17,289 INFO L93 Difference]: Finished difference Result 1441 states and 2214 transitions. [2022-10-15 21:56:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:17,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-15 21:56:17,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:17,299 INFO L225 Difference]: With dead ends: 1441 [2022-10-15 21:56:17,299 INFO L226 Difference]: Without dead ends: 1438 [2022-10-15 21:56:17,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:17,301 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 552 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:17,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 243 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2022-10-15 21:56:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1414. [2022-10-15 21:56:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1398 states have (on average 1.5321888412017168) internal successors, (2142), 1413 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2142 transitions. [2022-10-15 21:56:17,400 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2142 transitions. Word has length 39 [2022-10-15 21:56:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:17,400 INFO L495 AbstractCegarLoop]: Abstraction has 1414 states and 2142 transitions. [2022-10-15 21:56:17,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2142 transitions. [2022-10-15 21:56:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 21:56:17,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:17,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:17,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:56:17,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:17,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:17,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1425947477, now seen corresponding path program 1 times [2022-10-15 21:56:17,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:17,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290741276] [2022-10-15 21:56:17,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:17,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:17,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:17,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290741276] [2022-10-15 21:56:17,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290741276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:17,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:17,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:17,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467282109] [2022-10-15 21:56:17,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:17,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:17,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:17,465 INFO L87 Difference]: Start difference. First operand 1414 states and 2142 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:17,635 INFO L93 Difference]: Finished difference Result 4006 states and 6062 transitions. [2022-10-15 21:56:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:17,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 21:56:17,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:17,650 INFO L225 Difference]: With dead ends: 4006 [2022-10-15 21:56:17,650 INFO L226 Difference]: Without dead ends: 2614 [2022-10-15 21:56:17,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:17,654 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 68 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:17,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 257 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:17,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2614 states. [2022-10-15 21:56:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2614 to 2598. [2022-10-15 21:56:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 2582 states have (on average 1.5143299767621998) internal successors, (3910), 2597 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3910 transitions. [2022-10-15 21:56:17,872 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3910 transitions. Word has length 40 [2022-10-15 21:56:17,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:17,872 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3910 transitions. [2022-10-15 21:56:17,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3910 transitions. [2022-10-15 21:56:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 21:56:17,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:17,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:17,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:56:17,874 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:17,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1853727630, now seen corresponding path program 1 times [2022-10-15 21:56:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:17,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95358823] [2022-10-15 21:56:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:17,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95358823] [2022-10-15 21:56:17,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95358823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:17,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:17,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:17,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348659987] [2022-10-15 21:56:17,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:17,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:17,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:17,962 INFO L87 Difference]: Start difference. First operand 2598 states and 3910 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:18,188 INFO L93 Difference]: Finished difference Result 5872 states and 8824 transitions. [2022-10-15 21:56:18,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:18,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-15 21:56:18,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:18,207 INFO L225 Difference]: With dead ends: 5872 [2022-10-15 21:56:18,207 INFO L226 Difference]: Without dead ends: 3296 [2022-10-15 21:56:18,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:18,212 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:18,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 181 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-10-15 21:56:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3268. [2022-10-15 21:56:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3268 states, 3252 states have (on average 1.4907749077490775) internal successors, (4848), 3267 states have internal predecessors, (4848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 3268 states and 4848 transitions. [2022-10-15 21:56:18,450 INFO L78 Accepts]: Start accepts. Automaton has 3268 states and 4848 transitions. Word has length 47 [2022-10-15 21:56:18,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:18,451 INFO L495 AbstractCegarLoop]: Abstraction has 3268 states and 4848 transitions. [2022-10-15 21:56:18,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 4848 transitions. [2022-10-15 21:56:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:56:18,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:18,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:18,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:56:18,453 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:18,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash 55391554, now seen corresponding path program 1 times [2022-10-15 21:56:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:18,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786490772] [2022-10-15 21:56:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:18,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:18,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786490772] [2022-10-15 21:56:18,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786490772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:18,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:18,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941081817] [2022-10-15 21:56:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:18,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:18,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:18,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:18,660 INFO L87 Difference]: Start difference. First operand 3268 states and 4848 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:19,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:19,007 INFO L93 Difference]: Finished difference Result 6522 states and 9672 transitions. [2022-10-15 21:56:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:19,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-15 21:56:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:19,026 INFO L225 Difference]: With dead ends: 6522 [2022-10-15 21:56:19,027 INFO L226 Difference]: Without dead ends: 3278 [2022-10-15 21:56:19,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:19,035 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 223 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:19,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 208 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:19,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2022-10-15 21:56:19,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 3268. [2022-10-15 21:56:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3268 states, 3252 states have (on average 1.4809348093480934) internal successors, (4816), 3267 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 3268 states and 4816 transitions. [2022-10-15 21:56:19,312 INFO L78 Accepts]: Start accepts. Automaton has 3268 states and 4816 transitions. Word has length 51 [2022-10-15 21:56:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:19,312 INFO L495 AbstractCegarLoop]: Abstraction has 3268 states and 4816 transitions. [2022-10-15 21:56:19,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 4816 transitions. [2022-10-15 21:56:19,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:56:19,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:19,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:19,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:56:19,325 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:19,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:19,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1288601343, now seen corresponding path program 1 times [2022-10-15 21:56:19,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:19,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415743717] [2022-10-15 21:56:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:19,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:19,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415743717] [2022-10-15 21:56:19,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415743717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:19,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:19,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:19,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181467973] [2022-10-15 21:56:19,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:19,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:19,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:19,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:19,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:19,517 INFO L87 Difference]: Start difference. First operand 3268 states and 4816 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:19,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:19,716 INFO L93 Difference]: Finished difference Result 3299 states and 4850 transitions. [2022-10-15 21:56:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:19,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-15 21:56:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:19,736 INFO L225 Difference]: With dead ends: 3299 [2022-10-15 21:56:19,736 INFO L226 Difference]: Without dead ends: 3297 [2022-10-15 21:56:19,738 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 [2022-10-15 21:56:19,739 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 6 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:19,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 306 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3297 states. [2022-10-15 21:56:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3297 to 3297. [2022-10-15 21:56:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3281 states have (on average 1.4775982932032916) internal successors, (4848), 3296 states have internal predecessors, (4848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 4848 transitions. [2022-10-15 21:56:20,042 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 4848 transitions. Word has length 52 [2022-10-15 21:56:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:20,043 INFO L495 AbstractCegarLoop]: Abstraction has 3297 states and 4848 transitions. [2022-10-15 21:56:20,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 4848 transitions. [2022-10-15 21:56:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 21:56:20,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:20,044 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:20,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:56:20,045 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:20,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:20,046 INFO L85 PathProgramCache]: Analyzing trace with hash -668968445, now seen corresponding path program 1 times [2022-10-15 21:56:20,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:20,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770710097] [2022-10-15 21:56:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:20,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:20,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770710097] [2022-10-15 21:56:20,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770710097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:20,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:20,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:56:20,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472430047] [2022-10-15 21:56:20,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:20,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:20,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:20,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:20,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:20,136 INFO L87 Difference]: Start difference. First operand 3297 states and 4848 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:20,341 INFO L93 Difference]: Finished difference Result 3297 states and 4848 transitions. [2022-10-15 21:56:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:20,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 57 [2022-10-15 21:56:20,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:20,359 INFO L225 Difference]: With dead ends: 3297 [2022-10-15 21:56:20,360 INFO L226 Difference]: Without dead ends: 3296 [2022-10-15 21:56:20,362 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 [2022-10-15 21:56:20,363 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:20,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 99 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:20,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-10-15 21:56:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2022-10-15 21:56:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3281 states have (on average 1.4678451691557453) internal successors, (4816), 3295 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4816 transitions. [2022-10-15 21:56:20,629 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4816 transitions. Word has length 57 [2022-10-15 21:56:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:20,630 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4816 transitions. [2022-10-15 21:56:20,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4816 transitions. [2022-10-15 21:56:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:56:20,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:20,632 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:20,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:56:20,632 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash -455558743, now seen corresponding path program 1 times [2022-10-15 21:56:20,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:20,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409231107] [2022-10-15 21:56:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:20,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409231107] [2022-10-15 21:56:20,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409231107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:20,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:20,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:20,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42642230] [2022-10-15 21:56:20,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:20,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:20,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:20,767 INFO L87 Difference]: Start difference. First operand 3296 states and 4816 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:21,101 INFO L93 Difference]: Finished difference Result 4274 states and 6256 transitions. [2022-10-15 21:56:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:21,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 21:56:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:21,125 INFO L225 Difference]: With dead ends: 4274 [2022-10-15 21:56:21,125 INFO L226 Difference]: Without dead ends: 4271 [2022-10-15 21:56:21,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:21,127 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 115 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:21,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 263 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2022-10-15 21:56:21,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 3348. [2022-10-15 21:56:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 3333 states have (on average 1.4773477347734774) internal successors, (4924), 3347 states have internal predecessors, (4924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4924 transitions. [2022-10-15 21:56:21,460 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4924 transitions. Word has length 69 [2022-10-15 21:56:21,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:21,461 INFO L495 AbstractCegarLoop]: Abstraction has 3348 states and 4924 transitions. [2022-10-15 21:56:21,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4924 transitions. [2022-10-15 21:56:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:56:21,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:21,463 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:21,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:56:21,463 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:21,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:21,464 INFO L85 PathProgramCache]: Analyzing trace with hash 195098251, now seen corresponding path program 1 times [2022-10-15 21:56:21,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:21,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203978556] [2022-10-15 21:56:21,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:56:21,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:21,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203978556] [2022-10-15 21:56:21,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203978556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:21,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:21,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:21,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635620115] [2022-10-15 21:56:21,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:21,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:21,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:21,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:21,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:21,643 INFO L87 Difference]: Start difference. First operand 3348 states and 4924 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:22,189 INFO L93 Difference]: Finished difference Result 8022 states and 11616 transitions. [2022-10-15 21:56:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:22,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 21:56:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:22,225 INFO L225 Difference]: With dead ends: 8022 [2022-10-15 21:56:22,226 INFO L226 Difference]: Without dead ends: 4727 [2022-10-15 21:56:22,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:22,234 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 259 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:22,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 339 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:22,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2022-10-15 21:56:22,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 4256. [2022-10-15 21:56:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 4241 states have (on average 1.4421127092666823) internal successors, (6116), 4255 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 6116 transitions. [2022-10-15 21:56:22,592 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 6116 transitions. Word has length 71 [2022-10-15 21:56:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:22,592 INFO L495 AbstractCegarLoop]: Abstraction has 4256 states and 6116 transitions. [2022-10-15 21:56:22,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 6116 transitions. [2022-10-15 21:56:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:56:22,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:22,601 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:22,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:56:22,602 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:22,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:22,602 INFO L85 PathProgramCache]: Analyzing trace with hash 294720299, now seen corresponding path program 1 times [2022-10-15 21:56:22,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:22,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586001077] [2022-10-15 21:56:22,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:22,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:22,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586001077] [2022-10-15 21:56:22,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586001077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:22,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:22,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:22,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993964540] [2022-10-15 21:56:22,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:22,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:22,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:22,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:22,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:22,736 INFO L87 Difference]: Start difference. First operand 4256 states and 6116 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:23,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:23,237 INFO L93 Difference]: Finished difference Result 9253 states and 13304 transitions. [2022-10-15 21:56:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:23,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 21:56:23,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:23,257 INFO L225 Difference]: With dead ends: 9253 [2022-10-15 21:56:23,258 INFO L226 Difference]: Without dead ends: 5958 [2022-10-15 21:56:23,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:23,268 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 261 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:23,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 347 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5958 states. [2022-10-15 21:56:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5958 to 5940. [2022-10-15 21:56:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5940 states, 5925 states have (on average 1.4109704641350211) internal successors, (8360), 5939 states have internal predecessors, (8360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5940 states to 5940 states and 8360 transitions. [2022-10-15 21:56:23,778 INFO L78 Accepts]: Start accepts. Automaton has 5940 states and 8360 transitions. Word has length 71 [2022-10-15 21:56:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:23,778 INFO L495 AbstractCegarLoop]: Abstraction has 5940 states and 8360 transitions. [2022-10-15 21:56:23,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5940 states and 8360 transitions. [2022-10-15 21:56:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:56:23,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:23,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:23,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:56:23,781 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:23,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:23,781 INFO L85 PathProgramCache]: Analyzing trace with hash 727896199, now seen corresponding path program 1 times [2022-10-15 21:56:23,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:23,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033927933] [2022-10-15 21:56:23,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:23,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:23,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033927933] [2022-10-15 21:56:23,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033927933] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:23,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:23,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:23,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111454752] [2022-10-15 21:56:23,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:23,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:23,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:23,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:23,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:23,934 INFO L87 Difference]: Start difference. First operand 5940 states and 8360 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:24,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:24,447 INFO L93 Difference]: Finished difference Result 6918 states and 9872 transitions. [2022-10-15 21:56:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:24,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 21:56:24,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:24,500 INFO L225 Difference]: With dead ends: 6918 [2022-10-15 21:56:24,500 INFO L226 Difference]: Without dead ends: 6915 [2022-10-15 21:56:24,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:24,504 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 116 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:24,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 268 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6915 states. [2022-10-15 21:56:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6900. [2022-10-15 21:56:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6900 states, 6885 states have (on average 1.4233841684822077) internal successors, (9800), 6899 states have internal predecessors, (9800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6900 states to 6900 states and 9800 transitions. [2022-10-15 21:56:25,086 INFO L78 Accepts]: Start accepts. Automaton has 6900 states and 9800 transitions. Word has length 71 [2022-10-15 21:56:25,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:25,086 INFO L495 AbstractCegarLoop]: Abstraction has 6900 states and 9800 transitions. [2022-10-15 21:56:25,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 6900 states and 9800 transitions. [2022-10-15 21:56:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:56:25,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:25,088 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:25,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:56:25,089 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash 546394935, now seen corresponding path program 1 times [2022-10-15 21:56:25,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:25,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499463442] [2022-10-15 21:56:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:25,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499463442] [2022-10-15 21:56:25,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499463442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:25,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:25,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91250412] [2022-10-15 21:56:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:25,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:25,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:25,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:25,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:25,210 INFO L87 Difference]: Start difference. First operand 6900 states and 9800 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:25,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:25,877 INFO L93 Difference]: Finished difference Result 13735 states and 20028 transitions. [2022-10-15 21:56:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:25,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:56:25,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:25,901 INFO L225 Difference]: With dead ends: 13735 [2022-10-15 21:56:25,902 INFO L226 Difference]: Without dead ends: 9212 [2022-10-15 21:56:25,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:25,912 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 290 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:25,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 256 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:25,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9212 states. [2022-10-15 21:56:26,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9212 to 8096. [2022-10-15 21:56:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8096 states, 8081 states have (on average 1.4621952728622696) internal successors, (11816), 8095 states have internal predecessors, (11816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8096 states to 8096 states and 11816 transitions. [2022-10-15 21:56:26,492 INFO L78 Accepts]: Start accepts. Automaton has 8096 states and 11816 transitions. Word has length 72 [2022-10-15 21:56:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:26,493 INFO L495 AbstractCegarLoop]: Abstraction has 8096 states and 11816 transitions. [2022-10-15 21:56:26,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 8096 states and 11816 transitions. [2022-10-15 21:56:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:56:26,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:26,495 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:56:26,495 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1089945943, now seen corresponding path program 1 times [2022-10-15 21:56:26,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:26,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821437218] [2022-10-15 21:56:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:26,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:26,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821437218] [2022-10-15 21:56:26,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821437218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:26,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:26,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:26,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340389574] [2022-10-15 21:56:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:26,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:26,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:26,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:26,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:26,636 INFO L87 Difference]: Start difference. First operand 8096 states and 11816 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:27,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:27,139 INFO L93 Difference]: Finished difference Result 8102 states and 11816 transitions. [2022-10-15 21:56:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:27,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:56:27,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:27,163 INFO L225 Difference]: With dead ends: 8102 [2022-10-15 21:56:27,164 INFO L226 Difference]: Without dead ends: 8099 [2022-10-15 21:56:27,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:27,169 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 108 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:27,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 208 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2022-10-15 21:56:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 8093. [2022-10-15 21:56:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8093 states, 8081 states have (on average 1.4265561192921667) internal successors, (11528), 8092 states have internal predecessors, (11528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8093 states to 8093 states and 11528 transitions. [2022-10-15 21:56:27,846 INFO L78 Accepts]: Start accepts. Automaton has 8093 states and 11528 transitions. Word has length 72 [2022-10-15 21:56:27,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:27,846 INFO L495 AbstractCegarLoop]: Abstraction has 8093 states and 11528 transitions. [2022-10-15 21:56:27,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 8093 states and 11528 transitions. [2022-10-15 21:56:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:56:27,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:27,848 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:27,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:56:27,849 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:27,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:27,850 INFO L85 PathProgramCache]: Analyzing trace with hash 811549567, now seen corresponding path program 1 times [2022-10-15 21:56:27,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:27,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696328909] [2022-10-15 21:56:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:27,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:27,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:27,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696328909] [2022-10-15 21:56:27,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696328909] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:27,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:27,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:27,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531982163] [2022-10-15 21:56:27,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:27,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:27,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:27,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:27,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:27,977 INFO L87 Difference]: Start difference. First operand 8093 states and 11528 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:28,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:28,512 INFO L93 Difference]: Finished difference Result 8560 states and 12164 transitions. [2022-10-15 21:56:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:28,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:56:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:28,536 INFO L225 Difference]: With dead ends: 8560 [2022-10-15 21:56:28,536 INFO L226 Difference]: Without dead ends: 8557 [2022-10-15 21:56:28,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:28,540 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 205 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:28,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 339 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8557 states. [2022-10-15 21:56:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8557 to 8545. [2022-10-15 21:56:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8545 states, 8533 states have (on average 1.4217742880581272) internal successors, (12132), 8544 states have internal predecessors, (12132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 12132 transitions. [2022-10-15 21:56:29,067 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 12132 transitions. Word has length 73 [2022-10-15 21:56:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:29,067 INFO L495 AbstractCegarLoop]: Abstraction has 8545 states and 12132 transitions. [2022-10-15 21:56:29,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 12132 transitions. [2022-10-15 21:56:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:56:29,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:29,069 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:29,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 21:56:29,069 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:29,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:29,070 INFO L85 PathProgramCache]: Analyzing trace with hash -571413879, now seen corresponding path program 1 times [2022-10-15 21:56:29,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:29,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132866479] [2022-10-15 21:56:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:29,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:29,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132866479] [2022-10-15 21:56:29,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132866479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:29,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:29,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:29,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598491132] [2022-10-15 21:56:29,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:29,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:29,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:29,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:29,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:29,211 INFO L87 Difference]: Start difference. First operand 8545 states and 12132 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:29,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:29,761 INFO L93 Difference]: Finished difference Result 15295 states and 21964 transitions. [2022-10-15 21:56:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:29,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:56:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:29,782 INFO L225 Difference]: With dead ends: 15295 [2022-10-15 21:56:29,782 INFO L226 Difference]: Without dead ends: 9523 [2022-10-15 21:56:29,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:29,793 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 257 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:29,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 362 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9523 states. [2022-10-15 21:56:30,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9523 to 9505. [2022-10-15 21:56:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9505 states, 9493 states have (on average 1.4153586853470979) internal successors, (13436), 9504 states have internal predecessors, (13436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9505 states to 9505 states and 13436 transitions. [2022-10-15 21:56:30,515 INFO L78 Accepts]: Start accepts. Automaton has 9505 states and 13436 transitions. Word has length 73 [2022-10-15 21:56:30,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:30,516 INFO L495 AbstractCegarLoop]: Abstraction has 9505 states and 13436 transitions. [2022-10-15 21:56:30,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9505 states and 13436 transitions. [2022-10-15 21:56:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:56:30,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:30,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:30,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 21:56:30,519 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:30,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:30,520 INFO L85 PathProgramCache]: Analyzing trace with hash 122522363, now seen corresponding path program 1 times [2022-10-15 21:56:30,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:30,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545397982] [2022-10-15 21:56:30,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:30,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:30,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545397982] [2022-10-15 21:56:30,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545397982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:30,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:30,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:30,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799956156] [2022-10-15 21:56:30,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:30,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:30,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:30,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:30,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:30,620 INFO L87 Difference]: Start difference. First operand 9505 states and 13436 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:31,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:31,443 INFO L93 Difference]: Finished difference Result 11443 states and 16316 transitions. [2022-10-15 21:56:31,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:31,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:56:31,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:31,469 INFO L225 Difference]: With dead ends: 11443 [2022-10-15 21:56:31,470 INFO L226 Difference]: Without dead ends: 11440 [2022-10-15 21:56:31,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:31,476 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 147 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:31,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 331 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:31,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11440 states. [2022-10-15 21:56:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11440 to 9505. [2022-10-15 21:56:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9505 states, 9493 states have (on average 1.4001896133993468) internal successors, (13292), 9504 states have internal predecessors, (13292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9505 states to 9505 states and 13292 transitions. [2022-10-15 21:56:32,283 INFO L78 Accepts]: Start accepts. Automaton has 9505 states and 13292 transitions. Word has length 73 [2022-10-15 21:56:32,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:32,284 INFO L495 AbstractCegarLoop]: Abstraction has 9505 states and 13292 transitions. [2022-10-15 21:56:32,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 9505 states and 13292 transitions. [2022-10-15 21:56:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:56:32,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:32,286 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:32,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 21:56:32,286 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:32,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash -533960807, now seen corresponding path program 1 times [2022-10-15 21:56:32,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:32,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347543081] [2022-10-15 21:56:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:32,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:32,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347543081] [2022-10-15 21:56:32,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347543081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:32,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:32,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069370615] [2022-10-15 21:56:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:32,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:32,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:32,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:32,431 INFO L87 Difference]: Start difference. First operand 9505 states and 13292 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:33,198 INFO L93 Difference]: Finished difference Result 19270 states and 27464 transitions. [2022-10-15 21:56:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 21:56:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:33,223 INFO L225 Difference]: With dead ends: 19270 [2022-10-15 21:56:33,223 INFO L226 Difference]: Without dead ends: 12538 [2022-10-15 21:56:33,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:33,237 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 275 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:33,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 269 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:33,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-10-15 21:56:33,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 10597. [2022-10-15 21:56:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10597 states, 10585 states have (on average 1.4065186584789797) internal successors, (14888), 10596 states have internal predecessors, (14888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10597 states to 10597 states and 14888 transitions. [2022-10-15 21:56:33,842 INFO L78 Accepts]: Start accepts. Automaton has 10597 states and 14888 transitions. Word has length 74 [2022-10-15 21:56:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:33,842 INFO L495 AbstractCegarLoop]: Abstraction has 10597 states and 14888 transitions. [2022-10-15 21:56:33,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 10597 states and 14888 transitions. [2022-10-15 21:56:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:56:33,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:33,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:33,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 21:56:33,845 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:33,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1680259933, now seen corresponding path program 1 times [2022-10-15 21:56:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:33,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615632888] [2022-10-15 21:56:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:34,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:34,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615632888] [2022-10-15 21:56:34,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615632888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:34,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:34,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:34,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847125872] [2022-10-15 21:56:34,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:34,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:34,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:34,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:34,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:34,020 INFO L87 Difference]: Start difference. First operand 10597 states and 14888 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:34,701 INFO L93 Difference]: Finished difference Result 11572 states and 16256 transitions. [2022-10-15 21:56:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:34,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 21:56:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:34,714 INFO L225 Difference]: With dead ends: 11572 [2022-10-15 21:56:34,715 INFO L226 Difference]: Without dead ends: 11569 [2022-10-15 21:56:34,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:34,719 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 174 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:34,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 374 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11569 states. [2022-10-15 21:56:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11569 to 11557. [2022-10-15 21:56:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11557 states, 11545 states have (on average 1.4038977912516242) internal successors, (16208), 11556 states have internal predecessors, (16208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 16208 transitions. [2022-10-15 21:56:35,316 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 16208 transitions. Word has length 75 [2022-10-15 21:56:35,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:35,317 INFO L495 AbstractCegarLoop]: Abstraction has 11557 states and 16208 transitions. [2022-10-15 21:56:35,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 16208 transitions. [2022-10-15 21:56:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:56:35,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:35,326 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:35,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 21:56:35,327 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:35,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:35,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1779881981, now seen corresponding path program 1 times [2022-10-15 21:56:35,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:35,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590686847] [2022-10-15 21:56:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:35,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:35,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590686847] [2022-10-15 21:56:35,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590686847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:35,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:35,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:35,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800746127] [2022-10-15 21:56:35,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:35,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:35,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:35,468 INFO L87 Difference]: Start difference. First operand 11557 states and 16208 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:36,184 INFO L93 Difference]: Finished difference Result 14461 states and 20384 transitions. [2022-10-15 21:56:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 21:56:36,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:36,200 INFO L225 Difference]: With dead ends: 14461 [2022-10-15 21:56:36,201 INFO L226 Difference]: Without dead ends: 14458 [2022-10-15 21:56:36,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:36,205 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 203 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:36,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 381 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:36,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2022-10-15 21:56:37,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14437. [2022-10-15 21:56:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14437 states, 14425 states have (on average 1.4064471403812826) internal successors, (20288), 14436 states have internal predecessors, (20288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14437 states to 14437 states and 20288 transitions. [2022-10-15 21:56:37,053 INFO L78 Accepts]: Start accepts. Automaton has 14437 states and 20288 transitions. Word has length 75 [2022-10-15 21:56:37,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:37,053 INFO L495 AbstractCegarLoop]: Abstraction has 14437 states and 20288 transitions. [2022-10-15 21:56:37,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 14437 states and 20288 transitions. [2022-10-15 21:56:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:56:37,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:37,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:37,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 21:56:37,057 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:37,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash -658233179, now seen corresponding path program 1 times [2022-10-15 21:56:37,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:37,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947419182] [2022-10-15 21:56:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:37,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:37,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:37,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947419182] [2022-10-15 21:56:37,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947419182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:37,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:37,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:37,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162046870] [2022-10-15 21:56:37,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:37,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:37,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:37,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:37,192 INFO L87 Difference]: Start difference. First operand 14437 states and 20288 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:38,080 INFO L93 Difference]: Finished difference Result 16732 states and 23524 transitions. [2022-10-15 21:56:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:38,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:56:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:38,099 INFO L225 Difference]: With dead ends: 16732 [2022-10-15 21:56:38,099 INFO L226 Difference]: Without dead ends: 10323 [2022-10-15 21:56:38,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:38,111 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 160 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:38,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 322 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:38,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10323 states. [2022-10-15 21:56:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10323 to 7845. [2022-10-15 21:56:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7845 states, 7833 states have (on average 1.4043150772373292) internal successors, (11000), 7844 states have internal predecessors, (11000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7845 states to 7845 states and 11000 transitions. [2022-10-15 21:56:38,537 INFO L78 Accepts]: Start accepts. Automaton has 7845 states and 11000 transitions. Word has length 76 [2022-10-15 21:56:38,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:38,538 INFO L495 AbstractCegarLoop]: Abstraction has 7845 states and 11000 transitions. [2022-10-15 21:56:38,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7845 states and 11000 transitions. [2022-10-15 21:56:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:56:38,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:38,539 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:38,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 21:56:38,540 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:38,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:38,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2122783697, now seen corresponding path program 1 times [2022-10-15 21:56:38,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:38,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135194879] [2022-10-15 21:56:38,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:38,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:38,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:38,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135194879] [2022-10-15 21:56:38,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135194879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:38,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:38,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:38,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86057549] [2022-10-15 21:56:38,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:38,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:38,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:38,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:38,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:38,655 INFO L87 Difference]: Start difference. First operand 7845 states and 11000 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:39,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:39,222 INFO L93 Difference]: Finished difference Result 8083 states and 11312 transitions. [2022-10-15 21:56:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:39,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:56:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:39,235 INFO L225 Difference]: With dead ends: 8083 [2022-10-15 21:56:39,236 INFO L226 Difference]: Without dead ends: 8082 [2022-10-15 21:56:39,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:39,240 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 175 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:39,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 426 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8082 states. [2022-10-15 21:56:39,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8082 to 7845. [2022-10-15 21:56:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7845 states, 7833 states have (on average 1.4043150772373292) internal successors, (11000), 7844 states have internal predecessors, (11000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7845 states to 7845 states and 11000 transitions. [2022-10-15 21:56:39,814 INFO L78 Accepts]: Start accepts. Automaton has 7845 states and 11000 transitions. Word has length 77 [2022-10-15 21:56:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:39,814 INFO L495 AbstractCegarLoop]: Abstraction has 7845 states and 11000 transitions. [2022-10-15 21:56:39,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 7845 states and 11000 transitions. [2022-10-15 21:56:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:56:39,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:39,816 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:39,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 21:56:39,817 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:39,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:39,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1390388174, now seen corresponding path program 1 times [2022-10-15 21:56:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:39,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615496279] [2022-10-15 21:56:39,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:39,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:56:39,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:39,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615496279] [2022-10-15 21:56:39,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615496279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:39,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:39,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:39,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148747734] [2022-10-15 21:56:39,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:39,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:39,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:39,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:39,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:39,890 INFO L87 Difference]: Start difference. First operand 7845 states and 11000 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:40,458 INFO L93 Difference]: Finished difference Result 7845 states and 11000 transitions. [2022-10-15 21:56:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 21:56:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:40,472 INFO L225 Difference]: With dead ends: 7845 [2022-10-15 21:56:40,472 INFO L226 Difference]: Without dead ends: 7844 [2022-10-15 21:56:40,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:40,476 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 57 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:40,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 213 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:40,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2022-10-15 21:56:40,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 7844. [2022-10-15 21:56:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7844 states, 7833 states have (on average 1.3782714158049278) internal successors, (10796), 7843 states have internal predecessors, (10796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7844 states to 7844 states and 10796 transitions. [2022-10-15 21:56:40,979 INFO L78 Accepts]: Start accepts. Automaton has 7844 states and 10796 transitions. Word has length 80 [2022-10-15 21:56:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:40,979 INFO L495 AbstractCegarLoop]: Abstraction has 7844 states and 10796 transitions. [2022-10-15 21:56:40,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7844 states and 10796 transitions. [2022-10-15 21:56:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:56:40,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:40,982 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:40,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 21:56:40,982 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:40,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash 152360753, now seen corresponding path program 1 times [2022-10-15 21:56:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:40,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929422738] [2022-10-15 21:56:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:40,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:41,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:41,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929422738] [2022-10-15 21:56:41,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929422738] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:56:41,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066904866] [2022-10-15 21:56:41,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:56:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:56:41,126 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) [2022-10-15 21:56:41,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:56:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:41,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 21:56:41,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:56:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:41,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:56:41,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066904866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:41,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:56:41,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-15 21:56:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925923541] [2022-10-15 21:56:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:41,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:41,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:41,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:41,386 INFO L87 Difference]: Start difference. First operand 7844 states and 10796 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:41,847 INFO L93 Difference]: Finished difference Result 7844 states and 10796 transitions. [2022-10-15 21:56:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-15 21:56:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:41,859 INFO L225 Difference]: With dead ends: 7844 [2022-10-15 21:56:41,860 INFO L226 Difference]: Without dead ends: 7843 [2022-10-15 21:56:41,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:56:41,863 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 70 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:41,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 448 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:41,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7843 states. [2022-10-15 21:56:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7843 to 7814. [2022-10-15 21:56:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7814 states, 7804 states have (on average 1.353152229625833) internal successors, (10560), 7813 states have internal predecessors, (10560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 10560 transitions. [2022-10-15 21:56:42,277 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 10560 transitions. Word has length 81 [2022-10-15 21:56:42,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:42,278 INFO L495 AbstractCegarLoop]: Abstraction has 7814 states and 10560 transitions. [2022-10-15 21:56:42,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 10560 transitions. [2022-10-15 21:56:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 21:56:42,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:42,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:42,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:56:42,482 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,SelfDestructingSolverStorable28 [2022-10-15 21:56:42,482 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:42,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:42,483 INFO L85 PathProgramCache]: Analyzing trace with hash -603580262, now seen corresponding path program 1 times [2022-10-15 21:56:42,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:42,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302569648] [2022-10-15 21:56:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:42,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:42,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:42,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302569648] [2022-10-15 21:56:42,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302569648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:42,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:42,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:42,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453443753] [2022-10-15 21:56:42,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:42,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:42,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:42,605 INFO L87 Difference]: Start difference. First operand 7814 states and 10560 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:43,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:43,508 INFO L93 Difference]: Finished difference Result 8270 states and 11144 transitions. [2022-10-15 21:56:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:43,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-15 21:56:43,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:43,519 INFO L225 Difference]: With dead ends: 8270 [2022-10-15 21:56:43,519 INFO L226 Difference]: Without dead ends: 8267 [2022-10-15 21:56:43,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:43,522 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:43,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 389 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8267 states. [2022-10-15 21:56:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8267 to 7811. [2022-10-15 21:56:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7811 states, 7804 states have (on average 1.3223987698616095) internal successors, (10320), 7810 states have internal predecessors, (10320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7811 states to 7811 states and 10320 transitions. [2022-10-15 21:56:43,942 INFO L78 Accepts]: Start accepts. Automaton has 7811 states and 10320 transitions. Word has length 99 [2022-10-15 21:56:43,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:43,943 INFO L495 AbstractCegarLoop]: Abstraction has 7811 states and 10320 transitions. [2022-10-15 21:56:43,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7811 states and 10320 transitions. [2022-10-15 21:56:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:56:43,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:43,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:43,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 21:56:43,950 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash -220038692, now seen corresponding path program 1 times [2022-10-15 21:56:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:43,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577940913] [2022-10-15 21:56:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:44,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:44,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577940913] [2022-10-15 21:56:44,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577940913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:44,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:44,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564952408] [2022-10-15 21:56:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:44,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:44,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:44,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:44,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:44,098 INFO L87 Difference]: Start difference. First operand 7811 states and 10320 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:44,911 INFO L93 Difference]: Finished difference Result 11862 states and 15764 transitions. [2022-10-15 21:56:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:56:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:44,923 INFO L225 Difference]: With dead ends: 11862 [2022-10-15 21:56:44,923 INFO L226 Difference]: Without dead ends: 9167 [2022-10-15 21:56:44,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:44,930 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 200 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:44,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 470 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:44,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9167 states. [2022-10-15 21:56:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9167 to 7263. [2022-10-15 21:56:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7263 states, 7256 states have (on average 1.322491730981257) internal successors, (9596), 7262 states have internal predecessors, (9596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7263 states to 7263 states and 9596 transitions. [2022-10-15 21:56:45,393 INFO L78 Accepts]: Start accepts. Automaton has 7263 states and 9596 transitions. Word has length 101 [2022-10-15 21:56:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:45,394 INFO L495 AbstractCegarLoop]: Abstraction has 7263 states and 9596 transitions. [2022-10-15 21:56:45,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7263 states and 9596 transitions. [2022-10-15 21:56:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:56:45,399 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:45,399 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:45,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 21:56:45,400 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:45,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2004246010, now seen corresponding path program 1 times [2022-10-15 21:56:45,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:45,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623624555] [2022-10-15 21:56:45,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:56:45,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:45,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623624555] [2022-10-15 21:56:45,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623624555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:45,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:45,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397221733] [2022-10-15 21:56:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:45,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:45,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:45,455 INFO L87 Difference]: Start difference. First operand 7263 states and 9596 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:46,021 INFO L93 Difference]: Finished difference Result 16744 states and 22096 transitions. [2022-10-15 21:56:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:56:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:46,036 INFO L225 Difference]: With dead ends: 16744 [2022-10-15 21:56:46,037 INFO L226 Difference]: Without dead ends: 10305 [2022-10-15 21:56:46,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:46,046 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 57 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 226 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 [2022-10-15 21:56:46,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 226 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:46,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10305 states. [2022-10-15 21:56:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10305 to 9823. [2022-10-15 21:56:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9823 states, 9816 states have (on average 1.2876935615321923) internal successors, (12640), 9822 states have internal predecessors, (12640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9823 states to 9823 states and 12640 transitions. [2022-10-15 21:56:46,674 INFO L78 Accepts]: Start accepts. Automaton has 9823 states and 12640 transitions. Word has length 101 [2022-10-15 21:56:46,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:46,674 INFO L495 AbstractCegarLoop]: Abstraction has 9823 states and 12640 transitions. [2022-10-15 21:56:46,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9823 states and 12640 transitions. [2022-10-15 21:56:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:56:46,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:46,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:46,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 21:56:46,682 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:46,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1638819428, now seen corresponding path program 2 times [2022-10-15 21:56:46,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:46,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33932911] [2022-10-15 21:56:46,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:46,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:46,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:46,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33932911] [2022-10-15 21:56:46,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33932911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:46,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:46,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:46,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53188985] [2022-10-15 21:56:46,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:46,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:46,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:46,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:46,845 INFO L87 Difference]: Start difference. First operand 9823 states and 12640 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:47,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:47,752 INFO L93 Difference]: Finished difference Result 10508 states and 13512 transitions. [2022-10-15 21:56:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:47,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:56:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:47,766 INFO L225 Difference]: With dead ends: 10508 [2022-10-15 21:56:47,766 INFO L226 Difference]: Without dead ends: 10507 [2022-10-15 21:56:47,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:47,770 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 185 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:47,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 402 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:47,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10507 states. [2022-10-15 21:56:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10507 to 9599. [2022-10-15 21:56:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9599 states, 9592 states have (on average 1.286905754795663) internal successors, (12344), 9598 states have internal predecessors, (12344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 12344 transitions. [2022-10-15 21:56:48,307 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 12344 transitions. Word has length 101 [2022-10-15 21:56:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:48,308 INFO L495 AbstractCegarLoop]: Abstraction has 9599 states and 12344 transitions. [2022-10-15 21:56:48,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 12344 transitions. [2022-10-15 21:56:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 21:56:48,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:48,313 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2022-10-15 21:56:48,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 21:56:48,314 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:48,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:48,314 INFO L85 PathProgramCache]: Analyzing trace with hash -620395394, now seen corresponding path program 1 times [2022-10-15 21:56:48,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:48,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336831006] [2022-10-15 21:56:48,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:48,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:56:48,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:48,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336831006] [2022-10-15 21:56:48,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336831006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:48,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:48,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:48,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798124224] [2022-10-15 21:56:48,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:48,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:48,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:48,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:48,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:48,454 INFO L87 Difference]: Start difference. First operand 9599 states and 12344 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:49,215 INFO L93 Difference]: Finished difference Result 10197 states and 13088 transitions. [2022-10-15 21:56:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:49,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-15 21:56:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:49,232 INFO L225 Difference]: With dead ends: 10197 [2022-10-15 21:56:49,232 INFO L226 Difference]: Without dead ends: 10194 [2022-10-15 21:56:49,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:49,236 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 136 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:49,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 425 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:49,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10194 states. [2022-10-15 21:56:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10194 to 9599. [2022-10-15 21:56:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9599 states, 9592 states have (on average 1.2831526271893245) internal successors, (12308), 9598 states have internal predecessors, (12308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 12308 transitions. [2022-10-15 21:56:49,757 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 12308 transitions. Word has length 103 [2022-10-15 21:56:49,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:49,757 INFO L495 AbstractCegarLoop]: Abstraction has 9599 states and 12308 transitions. [2022-10-15 21:56:49,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 12308 transitions. [2022-10-15 21:56:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:56:49,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:49,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-10-15 21:56:49,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 21:56:49,764 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:49,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash 470700828, now seen corresponding path program 1 times [2022-10-15 21:56:49,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:49,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496618822] [2022-10-15 21:56:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:56:49,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:49,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496618822] [2022-10-15 21:56:49,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496618822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:49,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:49,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487385256] [2022-10-15 21:56:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:49,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:49,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:49,902 INFO L87 Difference]: Start difference. First operand 9599 states and 12308 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:50,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:50,667 INFO L93 Difference]: Finished difference Result 10065 states and 12888 transitions. [2022-10-15 21:56:50,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:50,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 21:56:50,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:50,681 INFO L225 Difference]: With dead ends: 10065 [2022-10-15 21:56:50,681 INFO L226 Difference]: Without dead ends: 10062 [2022-10-15 21:56:50,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:50,686 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 134 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:50,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 432 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2022-10-15 21:56:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 9599. [2022-10-15 21:56:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9599 states, 9592 states have (on average 1.28023352793995) internal successors, (12280), 9598 states have internal predecessors, (12280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 12280 transitions. [2022-10-15 21:56:51,255 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 12280 transitions. Word has length 105 [2022-10-15 21:56:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:51,256 INFO L495 AbstractCegarLoop]: Abstraction has 9599 states and 12280 transitions. [2022-10-15 21:56:51,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 12280 transitions. [2022-10-15 21:56:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:56:51,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:51,261 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-10-15 21:56:51,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-15 21:56:51,262 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:51,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1569765444, now seen corresponding path program 1 times [2022-10-15 21:56:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:51,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386778945] [2022-10-15 21:56:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:51,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:51,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386778945] [2022-10-15 21:56:51,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386778945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:51,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:51,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748244771] [2022-10-15 21:56:51,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:51,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:51,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:51,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:51,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:51,398 INFO L87 Difference]: Start difference. First operand 9599 states and 12280 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:52,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:52,098 INFO L93 Difference]: Finished difference Result 10056 states and 12856 transitions. [2022-10-15 21:56:52,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:52,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 21:56:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:52,110 INFO L225 Difference]: With dead ends: 10056 [2022-10-15 21:56:52,110 INFO L226 Difference]: Without dead ends: 10053 [2022-10-15 21:56:52,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:52,113 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 139 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:52,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 427 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:52,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10053 states. [2022-10-15 21:56:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10053 to 9599. [2022-10-15 21:56:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9599 states, 9592 states have (on average 1.274395329441201) internal successors, (12224), 9598 states have internal predecessors, (12224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 12224 transitions. [2022-10-15 21:56:52,686 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 12224 transitions. Word has length 105 [2022-10-15 21:56:52,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:52,686 INFO L495 AbstractCegarLoop]: Abstraction has 9599 states and 12224 transitions. [2022-10-15 21:56:52,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 12224 transitions. [2022-10-15 21:56:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 21:56:52,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:52,692 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-10-15 21:56:52,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-15 21:56:52,692 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:52,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:52,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1418088250, now seen corresponding path program 1 times [2022-10-15 21:56:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:52,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854275167] [2022-10-15 21:56:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:52,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:52,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:52,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854275167] [2022-10-15 21:56:52,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854275167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:52,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:52,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:52,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074567732] [2022-10-15 21:56:52,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:52,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:52,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:52,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:52,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:52,850 INFO L87 Difference]: Start difference. First operand 9599 states and 12224 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:53,369 INFO L93 Difference]: Finished difference Result 11336 states and 14532 transitions. [2022-10-15 21:56:53,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-15 21:56:53,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:53,377 INFO L225 Difference]: With dead ends: 11336 [2022-10-15 21:56:53,377 INFO L226 Difference]: Without dead ends: 6717 [2022-10-15 21:56:53,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:53,383 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 117 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:53,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 300 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:53,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6717 states. [2022-10-15 21:56:53,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6102. [2022-10-15 21:56:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6102 states, 6100 states have (on average 1.2544262295081967) internal successors, (7652), 6101 states have internal predecessors, (7652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 7652 transitions. [2022-10-15 21:56:53,765 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 7652 transitions. Word has length 106 [2022-10-15 21:56:53,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:53,766 INFO L495 AbstractCegarLoop]: Abstraction has 6102 states and 7652 transitions. [2022-10-15 21:56:53,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 7652 transitions. [2022-10-15 21:56:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 21:56:53,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:53,770 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:53,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-15 21:56:53,771 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1770231856, now seen corresponding path program 1 times [2022-10-15 21:56:53,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:53,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284220435] [2022-10-15 21:56:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:56:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284220435] [2022-10-15 21:56:53,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284220435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:53,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:53,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:53,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982523006] [2022-10-15 21:56:53,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:53,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:53,906 INFO L87 Difference]: Start difference. First operand 6102 states and 7652 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:54,619 INFO L93 Difference]: Finished difference Result 7463 states and 9392 transitions. [2022-10-15 21:56:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:54,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-15 21:56:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:54,626 INFO L225 Difference]: With dead ends: 7463 [2022-10-15 21:56:54,626 INFO L226 Difference]: Without dead ends: 7462 [2022-10-15 21:56:54,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:54,628 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 152 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:54,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 494 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7462 states. [2022-10-15 21:56:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7462 to 5418. [2022-10-15 21:56:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5418 states, 5416 states have (on average 1.2511078286558346) internal successors, (6776), 5417 states have internal predecessors, (6776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 6776 transitions. [2022-10-15 21:56:54,965 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 6776 transitions. Word has length 107 [2022-10-15 21:56:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:54,966 INFO L495 AbstractCegarLoop]: Abstraction has 5418 states and 6776 transitions. [2022-10-15 21:56:54,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 6776 transitions. [2022-10-15 21:56:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 21:56:54,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:54,970 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:54,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-15 21:56:54,970 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:54,971 INFO L85 PathProgramCache]: Analyzing trace with hash 42112976, now seen corresponding path program 2 times [2022-10-15 21:56:54,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:54,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408479133] [2022-10-15 21:56:54,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:55,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:55,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408479133] [2022-10-15 21:56:55,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408479133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:55,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:55,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:55,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261012706] [2022-10-15 21:56:55,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:55,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:55,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:55,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:55,112 INFO L87 Difference]: Start difference. First operand 5418 states and 6776 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:55,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:55,650 INFO L93 Difference]: Finished difference Result 5870 states and 7352 transitions. [2022-10-15 21:56:55,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:55,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-15 21:56:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:55,658 INFO L225 Difference]: With dead ends: 5870 [2022-10-15 21:56:55,658 INFO L226 Difference]: Without dead ends: 5869 [2022-10-15 21:56:55,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:55,661 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 131 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:55,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 408 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:55,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5869 states. [2022-10-15 21:56:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5869 to 4970. [2022-10-15 21:56:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4970 states, 4968 states have (on average 1.2463768115942029) internal successors, (6192), 4969 states have internal predecessors, (6192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 6192 transitions. [2022-10-15 21:56:55,980 INFO L78 Accepts]: Start accepts. Automaton has 4970 states and 6192 transitions. Word has length 107 [2022-10-15 21:56:55,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:55,981 INFO L495 AbstractCegarLoop]: Abstraction has 4970 states and 6192 transitions. [2022-10-15 21:56:55,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4970 states and 6192 transitions. [2022-10-15 21:56:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 21:56:55,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:55,985 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:55,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-15 21:56:55,986 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1179489809, now seen corresponding path program 1 times [2022-10-15 21:56:55,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:55,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268777188] [2022-10-15 21:56:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:56:56,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:56,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268777188] [2022-10-15 21:56:56,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268777188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:56,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:56,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:56:56,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030764928] [2022-10-15 21:56:56,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:56,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:56,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:56,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:56,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:56,095 INFO L87 Difference]: Start difference. First operand 4970 states and 6192 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:56,442 INFO L93 Difference]: Finished difference Result 4970 states and 6192 transitions. [2022-10-15 21:56:56,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:56,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-15 21:56:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:56,451 INFO L225 Difference]: With dead ends: 4970 [2022-10-15 21:56:56,451 INFO L226 Difference]: Without dead ends: 2641 [2022-10-15 21:56:56,454 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 [2022-10-15 21:56:56,456 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:56,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 86 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:56,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2022-10-15 21:56:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2625. [2022-10-15 21:56:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2624 states have (on average 1.2240853658536586) internal successors, (3212), 2624 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3212 transitions. [2022-10-15 21:56:56,623 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3212 transitions. Word has length 110 [2022-10-15 21:56:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:56,623 INFO L495 AbstractCegarLoop]: Abstraction has 2625 states and 3212 transitions. [2022-10-15 21:56:56,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3212 transitions. [2022-10-15 21:56:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 21:56:56,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:56,627 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-15 21:56:56,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-15 21:56:56,627 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:56:56,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:56,627 INFO L85 PathProgramCache]: Analyzing trace with hash -398633381, now seen corresponding path program 1 times [2022-10-15 21:56:56,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:56,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310072457] [2022-10-15 21:56:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:56,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:56:56,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:56,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310072457] [2022-10-15 21:56:56,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310072457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:56,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:56,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:56,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905164815] [2022-10-15 21:56:56,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:56,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:56,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:56,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:56,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:56,786 INFO L87 Difference]: Start difference. First operand 2625 states and 3212 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:57,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:57,102 INFO L93 Difference]: Finished difference Result 2625 states and 3212 transitions. [2022-10-15 21:56:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:57,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 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 131 [2022-10-15 21:56:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:57,103 INFO L225 Difference]: With dead ends: 2625 [2022-10-15 21:56:57,103 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 21:56:57,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:57,105 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 129 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:57,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 514 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 21:56:57,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 21:56:57,106 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) [2022-10-15 21:56:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 21:56:57,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2022-10-15 21:56:57,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:57,107 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 21:56:57,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 21:56:57,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 21:56:57,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-10-15 21:56:57,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-10-15 21:56:57,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-10-15 21:56:57,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-10-15 21:56:57,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-10-15 21:56:57,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-10-15 21:56:57,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-10-15 21:56:57,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-10-15 21:56:57,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-10-15 21:56:57,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-10-15 21:56:57,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-10-15 21:56:57,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-10-15 21:56:57,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-10-15 21:56:57,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-10-15 21:56:57,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-10-15 21:56:57,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-10-15 21:56:57,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-15 21:56:57,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.