/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.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:20:40,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:20:40,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:20:40,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:20:40,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:20:40,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:20:40,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:20:40,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:20:40,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:20:40,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:20:40,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:20:40,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:20:40,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:20:40,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:20:40,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:20:40,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:20:40,237 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:20:40,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:20:40,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:20:40,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:20:40,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:20:40,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:20:40,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:20:40,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:20:40,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:20:40,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:20:40,240 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:20:40,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:20:40,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:20:40,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:20:40,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:20:40,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:20:40,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:20:40,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:20:40,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:20:40,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:20:40,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:20:40,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:20:40,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:20:40,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:20:40,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:20:40,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:20:40,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:20:40,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:20:40,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:20:40,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:20:40,712 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:20:40,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:20:40,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4b25448/51c971138fc5445b91cb940a51dd7628/FLAG9d04a55f5 [2022-10-16 15:20:41,409 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:20:41,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:20:41,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4b25448/51c971138fc5445b91cb940a51dd7628/FLAG9d04a55f5 [2022-10-16 15:20:41,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4b25448/51c971138fc5445b91cb940a51dd7628 [2022-10-16 15:20:41,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:20:41,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:20:41,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:20:41,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:20:41,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:20:41,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:20:41" (1/1) ... [2022-10-16 15:20:41,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbb734d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:41, skipping insertion in model container [2022-10-16 15:20:41,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:20:41" (1/1) ... [2022-10-16 15:20:41,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:20:41,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:20:42,087 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.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2022-10-16 15:20:42,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:42,108 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:20:42,188 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.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2022-10-16 15:20:42,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:42,213 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:20:42,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42 WrapperNode [2022-10-16 15:20:42,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:20:42,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:42,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:20:42,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:20:42,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,329 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 564 [2022-10-16 15:20:42,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:42,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:20:42,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:20:42,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:20:42,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:20:42,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:20:42,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:20:42,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:20:42,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (1/1) ... [2022-10-16 15:20:42,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:20:42,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:20:42,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:20:42,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:20:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:20:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:20:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:20:42,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:20:42,853 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:20:42,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:20:43,740 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:20:43,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:20:43,764 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:20:43,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:43 BoogieIcfgContainer [2022-10-16 15:20:43,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:20:43,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:20:43,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:20:43,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:20:43,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:20:41" (1/3) ... [2022-10-16 15:20:43,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec6649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:43, skipping insertion in model container [2022-10-16 15:20:43,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:42" (2/3) ... [2022-10-16 15:20:43,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec6649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:43, skipping insertion in model container [2022-10-16 15:20:43,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:43" (3/3) ... [2022-10-16 15:20:43,784 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:20:43,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:20:43,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-16 15:20:43,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:20:43,888 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;@216d04b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:20:43,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-16 15:20:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:20:43,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:43,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:43,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:43,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2004239314, now seen corresponding path program 1 times [2022-10-16 15:20:43,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:43,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512427194] [2022-10-16 15:20:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:44,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:44,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512427194] [2022-10-16 15:20:44,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512427194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:44,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:44,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:20:44,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140809810] [2022-10-16 15:20:44,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:44,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:20:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:20:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:44,291 INFO L87 Difference]: Start difference. First operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 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) [2022-10-16 15:20:44,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:44,341 INFO L93 Difference]: Finished difference Result 396 states and 555 transitions. [2022-10-16 15:20:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:20:44,349 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 [2022-10-16 15:20:44,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:44,364 INFO L225 Difference]: With dead ends: 396 [2022-10-16 15:20:44,364 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 15:20:44,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:44,374 INFO L413 NwaCegarLoop]: 334 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, 334 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:44,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 15:20:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-10-16 15:20:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 185 states have (on average 1.8) internal successors, (333), 226 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 333 transitions. [2022-10-16 15:20:44,438 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 333 transitions. Word has length 10 [2022-10-16 15:20:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:44,438 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 333 transitions. [2022-10-16 15:20:44,439 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) [2022-10-16 15:20:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 333 transitions. [2022-10-16 15:20:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 15:20:44,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:44,442 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] [2022-10-16 15:20:44,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:20:44,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:44,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:44,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1541689973, now seen corresponding path program 1 times [2022-10-16 15:20:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:44,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831171519] [2022-10-16 15:20:44,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:44,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:44,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831171519] [2022-10-16 15:20:44,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831171519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:44,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:44,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050301936] [2022-10-16 15:20:44,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:44,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:44,906 INFO L87 Difference]: Start difference. First operand 227 states and 333 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:45,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:45,025 INFO L93 Difference]: Finished difference Result 391 states and 542 transitions. [2022-10-16 15:20:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:45,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-16 15:20:45,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:45,028 INFO L225 Difference]: With dead ends: 391 [2022-10-16 15:20:45,028 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 15:20:45,030 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 [2022-10-16 15:20:45,031 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 3 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:45,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1260 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:20:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 15:20:45,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-10-16 15:20:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 185 states have (on average 1.4702702702702704) internal successors, (272), 226 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 272 transitions. [2022-10-16 15:20:45,049 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 272 transitions. Word has length 41 [2022-10-16 15:20:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:45,049 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 272 transitions. [2022-10-16 15:20:45,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 272 transitions. [2022-10-16 15:20:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:45,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:45,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:45,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:20:45,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:45,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:45,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1555559557, now seen corresponding path program 1 times [2022-10-16 15:20:45,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:45,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350314270] [2022-10-16 15:20:45,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:45,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:45,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350314270] [2022-10-16 15:20:45,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350314270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:45,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:45,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:45,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521370047] [2022-10-16 15:20:45,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:45,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:45,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:45,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:45,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,272 INFO L87 Difference]: Start difference. First operand 227 states and 272 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:45,305 INFO L93 Difference]: Finished difference Result 541 states and 672 transitions. [2022-10-16 15:20:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:45,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:45,311 INFO L225 Difference]: With dead ends: 541 [2022-10-16 15:20:45,311 INFO L226 Difference]: Without dead ends: 381 [2022-10-16 15:20:45,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,314 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 191 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 655 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 [2022-10-16 15:20:45,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 655 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-10-16 15:20:45,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 339. [2022-10-16 15:20:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 297 states have (on average 1.569023569023569) internal successors, (466), 338 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 466 transitions. [2022-10-16 15:20:45,344 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 466 transitions. Word has length 101 [2022-10-16 15:20:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:45,345 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 466 transitions. [2022-10-16 15:20:45,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 466 transitions. [2022-10-16 15:20:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:45,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:45,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:45,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:20:45,354 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:45,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:45,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1997975537, now seen corresponding path program 1 times [2022-10-16 15:20:45,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:45,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075839674] [2022-10-16 15:20:45,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:45,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:45,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:45,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075839674] [2022-10-16 15:20:45,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075839674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:45,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:45,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552401570] [2022-10-16 15:20:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:45,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:45,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:45,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,644 INFO L87 Difference]: Start difference. First operand 339 states and 466 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:45,691 INFO L93 Difference]: Finished difference Result 871 states and 1244 transitions. [2022-10-16 15:20:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:45,696 INFO L225 Difference]: With dead ends: 871 [2022-10-16 15:20:45,697 INFO L226 Difference]: Without dead ends: 599 [2022-10-16 15:20:45,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,701 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 171 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 618 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 [2022-10-16 15:20:45,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-10-16 15:20:45,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 557. [2022-10-16 15:20:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 515 states have (on average 1.6368932038834951) internal successors, (843), 556 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 843 transitions. [2022-10-16 15:20:45,739 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 843 transitions. Word has length 101 [2022-10-16 15:20:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:45,740 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 843 transitions. [2022-10-16 15:20:45,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 843 transitions. [2022-10-16 15:20:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:45,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:45,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:45,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:20:45,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:45,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:45,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1079006361, now seen corresponding path program 1 times [2022-10-16 15:20:45,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:45,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832366692] [2022-10-16 15:20:45,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:45,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:45,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832366692] [2022-10-16 15:20:45,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832366692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:45,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:45,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:45,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433770872] [2022-10-16 15:20:45,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:45,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:45,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:45,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:45,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,920 INFO L87 Difference]: Start difference. First operand 557 states and 843 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:45,973 INFO L93 Difference]: Finished difference Result 1513 states and 2355 transitions. [2022-10-16 15:20:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:45,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:45,980 INFO L225 Difference]: With dead ends: 1513 [2022-10-16 15:20:45,981 INFO L226 Difference]: Without dead ends: 1023 [2022-10-16 15:20:45,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:45,984 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 167 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 617 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 [2022-10-16 15:20:45,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 617 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2022-10-16 15:20:46,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 981. [2022-10-16 15:20:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 939 states have (on average 1.6773162939297124) internal successors, (1575), 980 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1575 transitions. [2022-10-16 15:20:46,032 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1575 transitions. Word has length 101 [2022-10-16 15:20:46,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:46,034 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1575 transitions. [2022-10-16 15:20:46,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 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) [2022-10-16 15:20:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1575 transitions. [2022-10-16 15:20:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:46,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:46,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:46,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:20:46,048 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:46,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:46,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1060318755, now seen corresponding path program 1 times [2022-10-16 15:20:46,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:46,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772577986] [2022-10-16 15:20:46,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:46,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:46,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:46,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772577986] [2022-10-16 15:20:46,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772577986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:46,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:46,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404285435] [2022-10-16 15:20:46,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:46,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:46,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:46,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:46,386 INFO L87 Difference]: Start difference. First operand 981 states and 1575 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 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) [2022-10-16 15:20:46,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:46,833 INFO L93 Difference]: Finished difference Result 2806 states and 4591 transitions. [2022-10-16 15:20:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:46,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:46,852 INFO L225 Difference]: With dead ends: 2806 [2022-10-16 15:20:46,852 INFO L226 Difference]: Without dead ends: 2803 [2022-10-16 15:20:46,854 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 [2022-10-16 15:20:46,855 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 631 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:46,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 515 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:20:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2022-10-16 15:20:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 1853. [2022-10-16 15:20:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1811 states have (on average 1.6891220320265048) internal successors, (3059), 1852 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 3059 transitions. [2022-10-16 15:20:46,969 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 3059 transitions. Word has length 101 [2022-10-16 15:20:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:46,969 INFO L495 AbstractCegarLoop]: Abstraction has 1853 states and 3059 transitions. [2022-10-16 15:20:46,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 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) [2022-10-16 15:20:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 3059 transitions. [2022-10-16 15:20:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 15:20:46,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:46,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:46,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:20:46,974 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:46,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:46,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1489857652, now seen corresponding path program 1 times [2022-10-16 15:20:46,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:46,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543402144] [2022-10-16 15:20:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:47,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:47,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543402144] [2022-10-16 15:20:47,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543402144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:47,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:47,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:47,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398197429] [2022-10-16 15:20:47,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:47,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:47,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:47,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:47,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:47,172 INFO L87 Difference]: Start difference. First operand 1853 states and 3059 transitions. Second operand has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 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) [2022-10-16 15:20:47,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:47,491 INFO L93 Difference]: Finished difference Result 2764 states and 4567 transitions. [2022-10-16 15:20:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:20:47,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 15:20:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:47,508 INFO L225 Difference]: With dead ends: 2764 [2022-10-16 15:20:47,509 INFO L226 Difference]: Without dead ends: 2761 [2022-10-16 15:20:47,510 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 [2022-10-16 15:20:47,514 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 624 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:47,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 302 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:47,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-10-16 15:20:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2725. [2022-10-16 15:20:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2683 states have (on average 1.6843086097651883) internal successors, (4519), 2724 states have internal predecessors, (4519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 4519 transitions. [2022-10-16 15:20:47,671 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 4519 transitions. Word has length 102 [2022-10-16 15:20:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:47,672 INFO L495 AbstractCegarLoop]: Abstraction has 2725 states and 4519 transitions. [2022-10-16 15:20:47,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 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) [2022-10-16 15:20:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 4519 transitions. [2022-10-16 15:20:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 15:20:47,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:47,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:47,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:20:47,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1059052353, now seen corresponding path program 1 times [2022-10-16 15:20:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:47,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460869049] [2022-10-16 15:20:47,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:47,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:47,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460869049] [2022-10-16 15:20:47,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460869049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:47,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:47,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:47,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680544019] [2022-10-16 15:20:47,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:47,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:47,934 INFO L87 Difference]: Start difference. First operand 2725 states and 4519 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:48,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:48,556 INFO L93 Difference]: Finished difference Result 4577 states and 7463 transitions. [2022-10-16 15:20:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:20:48,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 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 [2022-10-16 15:20:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:48,583 INFO L225 Difference]: With dead ends: 4577 [2022-10-16 15:20:48,584 INFO L226 Difference]: Without dead ends: 4574 [2022-10-16 15:20:48,585 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 [2022-10-16 15:20:48,587 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1244 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:48,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 667 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-10-16 15:20:48,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 3597. [2022-10-16 15:20:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3597 states, 3555 states have (on average 1.6751054852320675) internal successors, (5955), 3596 states have internal predecessors, (5955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5955 transitions. [2022-10-16 15:20:48,825 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5955 transitions. Word has length 103 [2022-10-16 15:20:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:48,826 INFO L495 AbstractCegarLoop]: Abstraction has 3597 states and 5955 transitions. [2022-10-16 15:20:48,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5955 transitions. [2022-10-16 15:20:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:20:48,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:48,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:48,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:20:48,838 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:48,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1529116118, now seen corresponding path program 1 times [2022-10-16 15:20:48,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:48,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960742239] [2022-10-16 15:20:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:49,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:49,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960742239] [2022-10-16 15:20:49,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960742239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:49,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:49,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:49,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667476351] [2022-10-16 15:20:49,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:49,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:49,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:49,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:49,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:49,046 INFO L87 Difference]: Start difference. First operand 3597 states and 5955 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:49,676 INFO L93 Difference]: Finished difference Result 4541 states and 7439 transitions. [2022-10-16 15:20:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:20:49,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 15:20:49,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:49,701 INFO L225 Difference]: With dead ends: 4541 [2022-10-16 15:20:49,701 INFO L226 Difference]: Without dead ends: 4538 [2022-10-16 15:20:49,707 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 [2022-10-16 15:20:49,709 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1081 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:49,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 517 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-10-16 15:20:49,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 4469. [2022-10-16 15:20:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4469 states, 4427 states have (on average 1.6641066184775244) internal successors, (7367), 4468 states have internal predecessors, (7367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4469 states and 7367 transitions. [2022-10-16 15:20:50,014 INFO L78 Accepts]: Start accepts. Automaton has 4469 states and 7367 transitions. Word has length 104 [2022-10-16 15:20:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:50,015 INFO L495 AbstractCegarLoop]: Abstraction has 4469 states and 7367 transitions. [2022-10-16 15:20:50,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4469 states and 7367 transitions. [2022-10-16 15:20:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:20:50,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:50,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:50,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:20:50,018 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:50,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 310361519, now seen corresponding path program 1 times [2022-10-16 15:20:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:50,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745121885] [2022-10-16 15:20:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:50,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:50,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745121885] [2022-10-16 15:20:50,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745121885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:50,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:50,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:50,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233347160] [2022-10-16 15:20:50,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:50,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:50,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:50,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:50,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:50,155 INFO L87 Difference]: Start difference. First operand 4469 states and 7367 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:50,575 INFO L93 Difference]: Finished difference Result 12953 states and 21487 transitions. [2022-10-16 15:20:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:50,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 [2022-10-16 15:20:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:50,620 INFO L225 Difference]: With dead ends: 12953 [2022-10-16 15:20:50,620 INFO L226 Difference]: Without dead ends: 8551 [2022-10-16 15:20:50,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:50,628 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 193 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 661 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 [2022-10-16 15:20:50,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 661 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:50,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8551 states. [2022-10-16 15:20:51,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8551 to 8509. [2022-10-16 15:20:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8509 states, 8467 states have (on average 1.670839730719263) internal successors, (14147), 8508 states have internal predecessors, (14147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 14147 transitions. [2022-10-16 15:20:51,199 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 14147 transitions. Word has length 105 [2022-10-16 15:20:51,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:51,199 INFO L495 AbstractCegarLoop]: Abstraction has 8509 states and 14147 transitions. [2022-10-16 15:20:51,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 14147 transitions. [2022-10-16 15:20:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:20:51,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:51,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:51,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:20:51,202 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:51,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:51,202 INFO L85 PathProgramCache]: Analyzing trace with hash 157960097, now seen corresponding path program 1 times [2022-10-16 15:20:51,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:51,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865471432] [2022-10-16 15:20:51,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:51,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:51,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:51,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865471432] [2022-10-16 15:20:51,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865471432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:51,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:51,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:51,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014348504] [2022-10-16 15:20:51,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:51,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:51,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:51,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:51,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:51,397 INFO L87 Difference]: Start difference. First operand 8509 states and 14147 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:52,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:52,486 INFO L93 Difference]: Finished difference Result 13678 states and 22547 transitions. [2022-10-16 15:20:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:20:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 [2022-10-16 15:20:52,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:52,526 INFO L225 Difference]: With dead ends: 13678 [2022-10-16 15:20:52,526 INFO L226 Difference]: Without dead ends: 13675 [2022-10-16 15:20:52,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:52,532 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1989 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:52,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 711 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:20:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13675 states. [2022-10-16 15:20:53,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13675 to 10189. [2022-10-16 15:20:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10189 states, 10147 states have (on average 1.6575342465753424) internal successors, (16819), 10188 states have internal predecessors, (16819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10189 states to 10189 states and 16819 transitions. [2022-10-16 15:20:53,109 INFO L78 Accepts]: Start accepts. Automaton has 10189 states and 16819 transitions. Word has length 105 [2022-10-16 15:20:53,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:53,109 INFO L495 AbstractCegarLoop]: Abstraction has 10189 states and 16819 transitions. [2022-10-16 15:20:53,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10189 states and 16819 transitions. [2022-10-16 15:20:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:20:53,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:53,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:53,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:20:53,112 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:53,113 INFO L85 PathProgramCache]: Analyzing trace with hash -717757037, now seen corresponding path program 1 times [2022-10-16 15:20:53,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:53,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639744454] [2022-10-16 15:20:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:53,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:53,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:53,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639744454] [2022-10-16 15:20:53,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639744454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:53,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:53,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:53,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134210867] [2022-10-16 15:20:53,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:53,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:53,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:53,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:53,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:53,284 INFO L87 Difference]: Start difference. First operand 10189 states and 16819 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:54,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:54,148 INFO L93 Difference]: Finished difference Result 29857 states and 49363 transitions. [2022-10-16 15:20:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:54,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 [2022-10-16 15:20:54,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:54,200 INFO L225 Difference]: With dead ends: 29857 [2022-10-16 15:20:54,200 INFO L226 Difference]: Without dead ends: 19735 [2022-10-16 15:20:54,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:54,218 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 187 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 661 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 [2022-10-16 15:20:54,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 661 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19735 states. [2022-10-16 15:20:55,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19735 to 19693. [2022-10-16 15:20:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19693 states, 19651 states have (on average 1.6546231743931608) internal successors, (32515), 19692 states have internal predecessors, (32515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19693 states to 19693 states and 32515 transitions. [2022-10-16 15:20:55,243 INFO L78 Accepts]: Start accepts. Automaton has 19693 states and 32515 transitions. Word has length 105 [2022-10-16 15:20:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:55,243 INFO L495 AbstractCegarLoop]: Abstraction has 19693 states and 32515 transitions. [2022-10-16 15:20:55,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 19693 states and 32515 transitions. [2022-10-16 15:20:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:20:55,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:55,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:55,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:20:55,246 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:55,246 INFO L85 PathProgramCache]: Analyzing trace with hash 601796408, now seen corresponding path program 1 times [2022-10-16 15:20:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:55,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103699857] [2022-10-16 15:20:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:55,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:55,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103699857] [2022-10-16 15:20:55,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103699857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:55,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:55,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:55,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140754509] [2022-10-16 15:20:55,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:55,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:55,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:55,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:55,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:55,465 INFO L87 Difference]: Start difference. First operand 19693 states and 32515 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:56,932 INFO L93 Difference]: Finished difference Result 26323 states and 43331 transitions. [2022-10-16 15:20:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:20:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 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 [2022-10-16 15:20:56,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:56,994 INFO L225 Difference]: With dead ends: 26323 [2022-10-16 15:20:56,995 INFO L226 Difference]: Without dead ends: 26320 [2022-10-16 15:20:57,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:57,003 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 2021 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:57,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 580 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:20:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26320 states. [2022-10-16 15:20:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26320 to 26221. [2022-10-16 15:20:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26221 states, 26179 states have (on average 1.6405133885939112) internal successors, (42947), 26220 states have internal predecessors, (42947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26221 states to 26221 states and 42947 transitions. [2022-10-16 15:20:58,315 INFO L78 Accepts]: Start accepts. Automaton has 26221 states and 42947 transitions. Word has length 106 [2022-10-16 15:20:58,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:58,316 INFO L495 AbstractCegarLoop]: Abstraction has 26221 states and 42947 transitions. [2022-10-16 15:20:58,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states and 42947 transitions. [2022-10-16 15:20:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:20:58,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:58,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:58,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:20:58,318 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:20:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:58,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1475820163, now seen corresponding path program 1 times [2022-10-16 15:20:58,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:58,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844208584] [2022-10-16 15:20:58,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:58,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:58,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844208584] [2022-10-16 15:20:58,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844208584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:58,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:58,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:20:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691830810] [2022-10-16 15:20:58,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:58,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:20:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:20:58,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:58,528 INFO L87 Difference]: Start difference. First operand 26221 states and 42947 transitions. Second operand has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:00,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:00,599 INFO L93 Difference]: Finished difference Result 39421 states and 64387 transitions. [2022-10-16 15:21:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:21:00,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 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 [2022-10-16 15:21:00,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:00,678 INFO L225 Difference]: With dead ends: 39421 [2022-10-16 15:21:00,678 INFO L226 Difference]: Without dead ends: 39418 [2022-10-16 15:21:00,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:21:00,692 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2840 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:00,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 883 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:21:00,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39418 states. [2022-10-16 15:21:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39418 to 29485. [2022-10-16 15:21:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29485 states, 29443 states have (on average 1.6276534320551574) internal successors, (47923), 29484 states have internal predecessors, (47923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29485 states to 29485 states and 47923 transitions. [2022-10-16 15:21:02,373 INFO L78 Accepts]: Start accepts. Automaton has 29485 states and 47923 transitions. Word has length 107 [2022-10-16 15:21:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:02,373 INFO L495 AbstractCegarLoop]: Abstraction has 29485 states and 47923 transitions. [2022-10-16 15:21:02,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29485 states and 47923 transitions. [2022-10-16 15:21:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:21:02,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:02,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:02,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:21:02,376 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:21:02,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:02,376 INFO L85 PathProgramCache]: Analyzing trace with hash -810094891, now seen corresponding path program 1 times [2022-10-16 15:21:02,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:02,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054351221] [2022-10-16 15:21:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:02,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:02,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:02,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054351221] [2022-10-16 15:21:02,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054351221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:02,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:02,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:02,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358812339] [2022-10-16 15:21:02,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:02,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:02,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:02,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:02,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:02,485 INFO L87 Difference]: Start difference. First operand 29485 states and 47923 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:05,152 INFO L93 Difference]: Finished difference Result 86593 states and 140755 transitions. [2022-10-16 15:21:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:05,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 [2022-10-16 15:21:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:05,247 INFO L225 Difference]: With dead ends: 86593 [2022-10-16 15:21:05,248 INFO L226 Difference]: Without dead ends: 57175 [2022-10-16 15:21:05,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:05,284 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 183 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 660 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 [2022-10-16 15:21:05,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 660 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:05,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57175 states. [2022-10-16 15:21:07,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57175 to 57133. [2022-10-16 15:21:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57133 states, 57091 states have (on average 1.6221646143875568) internal successors, (92611), 57132 states have internal predecessors, (92611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57133 states to 57133 states and 92611 transitions. [2022-10-16 15:21:07,857 INFO L78 Accepts]: Start accepts. Automaton has 57133 states and 92611 transitions. Word has length 107 [2022-10-16 15:21:07,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:07,857 INFO L495 AbstractCegarLoop]: Abstraction has 57133 states and 92611 transitions. [2022-10-16 15:21:07,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 57133 states and 92611 transitions. [2022-10-16 15:21:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:21:07,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:07,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:07,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:21:07,859 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:21:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:07,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1494214502, now seen corresponding path program 1 times [2022-10-16 15:21:07,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:07,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893356091] [2022-10-16 15:21:07,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:08,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:08,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893356091] [2022-10-16 15:21:08,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893356091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:08,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:08,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:21:08,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984742635] [2022-10-16 15:21:08,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:08,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:21:08,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:21:08,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:21:08,089 INFO L87 Difference]: Start difference. First operand 57133 states and 92611 transitions. Second operand has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 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) [2022-10-16 15:21:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:11,697 INFO L93 Difference]: Finished difference Result 76270 states and 123139 transitions. [2022-10-16 15:21:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 15:21:11,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 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) Word has length 108 [2022-10-16 15:21:11,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:11,793 INFO L225 Difference]: With dead ends: 76270 [2022-10-16 15:21:11,793 INFO L226 Difference]: Without dead ends: 76267 [2022-10-16 15:21:11,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:21:11,809 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 2902 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:11,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 740 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:21:11,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76267 states. [2022-10-16 15:21:15,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76267 to 76141. [2022-10-16 15:21:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76141 states, 76099 states have (on average 1.6055270108674227) internal successors, (122179), 76140 states have internal predecessors, (122179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76141 states to 76141 states and 122179 transitions. [2022-10-16 15:21:15,637 INFO L78 Accepts]: Start accepts. Automaton has 76141 states and 122179 transitions. Word has length 108 [2022-10-16 15:21:15,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:15,637 INFO L495 AbstractCegarLoop]: Abstraction has 76141 states and 122179 transitions. [2022-10-16 15:21:15,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 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) [2022-10-16 15:21:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 76141 states and 122179 transitions. [2022-10-16 15:21:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:21:15,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:15,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:15,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:21:15,639 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:21:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash 923991397, now seen corresponding path program 1 times [2022-10-16 15:21:15,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:15,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000780195] [2022-10-16 15:21:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:15,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:15,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:15,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000780195] [2022-10-16 15:21:15,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000780195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:15,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:15,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:21:15,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278516275] [2022-10-16 15:21:15,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:15,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:21:15,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:15,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:21:15,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:15,917 INFO L87 Difference]: Start difference. First operand 76141 states and 122179 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:20,535 INFO L93 Difference]: Finished difference Result 107974 states and 173443 transitions. [2022-10-16 15:21:20,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:21:20,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 15:21:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:20,691 INFO L225 Difference]: With dead ends: 107974 [2022-10-16 15:21:20,692 INFO L226 Difference]: Without dead ends: 107971 [2022-10-16 15:21:20,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:20,713 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 3771 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3771 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:20,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3771 Valid, 1069 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:21:20,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107971 states. [2022-10-16 15:21:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107971 to 82477. [2022-10-16 15:21:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82477 states, 82435 states have (on average 1.593922484381634) internal successors, (131395), 82476 states have internal predecessors, (131395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82477 states to 82477 states and 131395 transitions. [2022-10-16 15:21:24,968 INFO L78 Accepts]: Start accepts. Automaton has 82477 states and 131395 transitions. Word has length 109 [2022-10-16 15:21:24,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:24,968 INFO L495 AbstractCegarLoop]: Abstraction has 82477 states and 131395 transitions. [2022-10-16 15:21:24,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 82477 states and 131395 transitions. [2022-10-16 15:21:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:21:24,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:24,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:24,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:21:24,975 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:21:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:24,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1722546153, now seen corresponding path program 1 times [2022-10-16 15:21:24,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:24,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449802443] [2022-10-16 15:21:24,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:24,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:25,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:25,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449802443] [2022-10-16 15:21:25,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449802443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:25,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:25,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:25,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660553317] [2022-10-16 15:21:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:25,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:25,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:25,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:25,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:25,095 INFO L87 Difference]: Start difference. First operand 82477 states and 131395 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:31,435 INFO L93 Difference]: Finished difference Result 242305 states and 385731 transitions. [2022-10-16 15:21:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 15:21:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:31,697 INFO L225 Difference]: With dead ends: 242305 [2022-10-16 15:21:31,697 INFO L226 Difference]: Without dead ends: 159895 [2022-10-16 15:21:31,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:31,945 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 179 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 659 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 [2022-10-16 15:21:31,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 659 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:32,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159895 states. [2022-10-16 15:21:39,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159895 to 159853. [2022-10-16 15:21:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159853 states, 159811 states have (on average 1.5866930311430376) internal successors, (253571), 159852 states have internal predecessors, (253571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159853 states to 159853 states and 253571 transitions. [2022-10-16 15:21:40,016 INFO L78 Accepts]: Start accepts. Automaton has 159853 states and 253571 transitions. Word has length 109 [2022-10-16 15:21:40,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:40,016 INFO L495 AbstractCegarLoop]: Abstraction has 159853 states and 253571 transitions. [2022-10-16 15:21:40,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 159853 states and 253571 transitions. [2022-10-16 15:21:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:21:40,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:40,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:40,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:21:40,018 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:21:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:40,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1421037060, now seen corresponding path program 1 times [2022-10-16 15:21:40,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:40,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779539242] [2022-10-16 15:21:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:40,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:40,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779539242] [2022-10-16 15:21:40,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779539242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:40,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:40,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:21:40,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727684704] [2022-10-16 15:21:40,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:40,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:21:40,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:21:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:40,265 INFO L87 Difference]: Start difference. First operand 159853 states and 253571 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:49,146 INFO L93 Difference]: Finished difference Result 209158 states and 329859 transitions. [2022-10-16 15:21:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 15:21:49,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 [2022-10-16 15:21:49,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:49,648 INFO L225 Difference]: With dead ends: 209158 [2022-10-16 15:21:49,648 INFO L226 Difference]: Without dead ends: 209155 [2022-10-16 15:21:49,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:49,691 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 3872 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:49,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 914 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:21:49,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209155 states. [2022-10-16 15:21:59,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209155 to 209005. [2022-10-16 15:21:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209005 states, 208963 states have (on average 1.5675263084852342) internal successors, (327555), 209004 states have internal predecessors, (327555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209005 states to 209005 states and 327555 transitions. [2022-10-16 15:22:00,829 INFO L78 Accepts]: Start accepts. Automaton has 209005 states and 327555 transitions. Word has length 110 [2022-10-16 15:22:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:00,830 INFO L495 AbstractCegarLoop]: Abstraction has 209005 states and 327555 transitions. [2022-10-16 15:22:00,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 209005 states and 327555 transitions. [2022-10-16 15:22:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:22:00,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:00,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:00,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:22:00,831 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:22:00,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:00,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1102475193, now seen corresponding path program 1 times [2022-10-16 15:22:00,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:00,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853961389] [2022-10-16 15:22:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:00,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:01,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853961389] [2022-10-16 15:22:01,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853961389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:01,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:01,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 15:22:01,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472374269] [2022-10-16 15:22:01,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:01,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 15:22:01,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:01,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 15:22:01,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:22:01,066 INFO L87 Difference]: Start difference. First operand 209005 states and 327555 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:13,148 INFO L93 Difference]: Finished difference Result 282889 states and 445059 transitions. [2022-10-16 15:22:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 15:22:13,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:22:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:13,651 INFO L225 Difference]: With dead ends: 282889 [2022-10-16 15:22:13,652 INFO L226 Difference]: Without dead ends: 282886 [2022-10-16 15:22:13,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2022-10-16 15:22:13,719 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 4136 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4136 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:13,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4136 Valid, 1356 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:22:13,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282886 states. [2022-10-16 15:22:25,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282886 to 221293. [2022-10-16 15:22:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221293 states, 221251 states have (on average 1.5571229056591835) internal successors, (344515), 221292 states have internal predecessors, (344515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221293 states to 221293 states and 344515 transitions. [2022-10-16 15:22:26,519 INFO L78 Accepts]: Start accepts. Automaton has 221293 states and 344515 transitions. Word has length 111 [2022-10-16 15:22:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:26,519 INFO L495 AbstractCegarLoop]: Abstraction has 221293 states and 344515 transitions. [2022-10-16 15:22:26,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 221293 states and 344515 transitions. [2022-10-16 15:22:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:22:26,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:26,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:26,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:22:26,521 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 15:22:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:26,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1983827623, now seen corresponding path program 1 times [2022-10-16 15:22:26,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:26,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783614244] [2022-10-16 15:22:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:26,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:26,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783614244] [2022-10-16 15:22:26,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783614244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:26,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:26,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:26,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084856067] [2022-10-16 15:22:26,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:26,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:26,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:26,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:26,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:26,651 INFO L87 Difference]: Start difference. First operand 221293 states and 344515 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:45,811 INFO L93 Difference]: Finished difference Result 649921 states and 1010371 transitions. [2022-10-16 15:22:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:45,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:22:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:46,941 INFO L225 Difference]: With dead ends: 649921 [2022-10-16 15:22:46,941 INFO L226 Difference]: Without dead ends: 428695 [2022-10-16 15:22:47,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:47,217 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 175 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 658 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 [2022-10-16 15:22:47,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 658 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:47,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428695 states.