/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.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:57:21,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:57:21,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:57:21,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:57:21,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:57:21,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:57:21,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:57:21,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:57:21,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:57:21,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:57:21,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:57:21,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:57:21,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:57:21,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:57:21,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:57:21,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:57:21,255 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:57:21,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:57:21,256 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:57:21,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:57:21,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:57:21,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:57:21,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:57:21,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:57:21,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:57:21,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:57:21,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:57:21,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:57:21,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:57:21,260 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:57:21,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:57:21,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:57:21,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:57:21,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:57:21,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:21,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:57:21,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:57:21,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:57:21,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:57:21,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:57:21,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:57:21,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:57:21,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:57:21,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:57:21,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:57:21,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:57:21,890 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:57:21,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:21,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86477a05/b2ad594afb6f43d0bd3a0a936a7c1a63/FLAGc32fb32f0 [2022-10-15 21:57:22,816 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:57:22,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:22,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86477a05/b2ad594afb6f43d0bd3a0a936a7c1a63/FLAGc32fb32f0 [2022-10-15 21:57:23,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86477a05/b2ad594afb6f43d0bd3a0a936a7c1a63 [2022-10-15 21:57:23,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:57:23,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:57:23,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:23,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:57:23,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:57:23,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d3d6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23, skipping insertion in model container [2022-10-15 21:57:23,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:57:23,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:57:23,467 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.6.1.ufo.UNBOUNDED.pals.c[15140,15153] [2022-10-15 21:57:23,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:23,481 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:57:23,620 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.6.1.ufo.UNBOUNDED.pals.c[15140,15153] [2022-10-15 21:57:23,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:23,641 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:57:23,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23 WrapperNode [2022-10-15 21:57:23,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:23,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:23,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:57:23,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:57:23,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,719 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 423 [2022-10-15 21:57:23,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:23,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:57:23,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:57:23,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:57:23,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,777 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:57:23,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:57:23,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:57:23,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:57:23,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (1/1) ... [2022-10-15 21:57:23,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:23,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:57:23,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:57:23,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:57:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:57:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:57:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:57:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:57:24,042 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:57:24,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:57:24,969 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:57:24,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:57:24,981 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:57:24,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:24 BoogieIcfgContainer [2022-10-15 21:57:24,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:57:24,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:57:24,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:57:24,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:57:24,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:57:23" (1/3) ... [2022-10-15 21:57:24,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddf42ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:24, skipping insertion in model container [2022-10-15 21:57:24,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:23" (2/3) ... [2022-10-15 21:57:24,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddf42ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:24, skipping insertion in model container [2022-10-15 21:57:24,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:24" (3/3) ... [2022-10-15 21:57:24,995 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:25,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:57:25,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 21:57:25,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:57:25,115 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;@d9f644e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:57:25,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 21:57:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 141 states have (on average 1.7943262411347518) internal successors, (253), 173 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:57:25,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:25,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:25,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:25,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1968240315, now seen corresponding path program 1 times [2022-10-15 21:57:25,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:25,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794860280] [2022-10-15 21:57:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:25,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:25,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794860280] [2022-10-15 21:57:25,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794860280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:25,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:25,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:57:25,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037740323] [2022-10-15 21:57:25,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:25,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:57:25,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:25,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:57:25,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:57:25,535 INFO L87 Difference]: Start difference. First operand has 174 states, 141 states have (on average 1.7943262411347518) internal successors, (253), 173 states have internal predecessors, (253), 0 states have call successors, (0), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:25,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:25,578 INFO L93 Difference]: Finished difference Result 297 states and 417 transitions. [2022-10-15 21:57:25,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:57:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 21:57:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:25,597 INFO L225 Difference]: With dead ends: 297 [2022-10-15 21:57:25,597 INFO L226 Difference]: Without dead ends: 167 [2022-10-15 21:57:25,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:57:25,608 INFO L413 NwaCegarLoop]: 244 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, 244 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:25,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-10-15 21:57:25,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2022-10-15 21:57:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 137 states have (on average 1.7737226277372262) internal successors, (243), 166 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 243 transitions. [2022-10-15 21:57:25,678 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 243 transitions. Word has length 11 [2022-10-15 21:57:25,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:25,679 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 243 transitions. [2022-10-15 21:57:25,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 243 transitions. [2022-10-15 21:57:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:57:25,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:25,683 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] [2022-10-15 21:57:25,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:57:25,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:25,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:25,685 INFO L85 PathProgramCache]: Analyzing trace with hash 562354993, now seen corresponding path program 1 times [2022-10-15 21:57:25,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:25,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971455829] [2022-10-15 21:57:25,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:25,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:26,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:26,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971455829] [2022-10-15 21:57:26,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971455829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:26,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:26,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:26,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419139418] [2022-10-15 21:57:26,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:26,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:26,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:26,020 INFO L87 Difference]: Start difference. First operand 167 states and 243 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:26,262 INFO L93 Difference]: Finished difference Result 292 states and 404 transitions. [2022-10-15 21:57:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:26,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-15 21:57:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:26,268 INFO L225 Difference]: With dead ends: 292 [2022-10-15 21:57:26,268 INFO L226 Difference]: Without dead ends: 167 [2022-10-15 21:57:26,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:26,275 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 3 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:26,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 921 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:57:26,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-10-15 21:57:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2022-10-15 21:57:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 166 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 203 transitions. [2022-10-15 21:57:26,300 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 203 transitions. Word has length 33 [2022-10-15 21:57:26,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:26,300 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 203 transitions. [2022-10-15 21:57:26,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2022-10-15 21:57:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:26,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:26,305 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] [2022-10-15 21:57:26,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:57:26,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:26,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:26,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1646677150, now seen corresponding path program 1 times [2022-10-15 21:57:26,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:26,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993864134] [2022-10-15 21:57:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:26,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:26,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993864134] [2022-10-15 21:57:26,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993864134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:26,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:26,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:26,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528404472] [2022-10-15 21:57:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:26,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:26,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:26,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:26,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:26,640 INFO L87 Difference]: Start difference. First operand 167 states and 203 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:26,683 INFO L93 Difference]: Finished difference Result 403 states and 507 transitions. [2022-10-15 21:57:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:26,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:26,691 INFO L225 Difference]: With dead ends: 403 [2022-10-15 21:57:26,691 INFO L226 Difference]: Without dead ends: 282 [2022-10-15 21:57:26,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:26,703 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:26,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 488 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:26,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-10-15 21:57:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 252. [2022-10-15 21:57:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 222 states have (on average 1.572072072072072) internal successors, (349), 251 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 349 transitions. [2022-10-15 21:57:26,750 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 349 transitions. Word has length 72 [2022-10-15 21:57:26,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:26,754 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 349 transitions. [2022-10-15 21:57:26,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 349 transitions. [2022-10-15 21:57:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:26,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:26,764 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] [2022-10-15 21:57:26,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:57:26,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:26,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:26,766 INFO L85 PathProgramCache]: Analyzing trace with hash 708259288, now seen corresponding path program 1 times [2022-10-15 21:57:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:26,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645185346] [2022-10-15 21:57:26,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:26,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:27,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:27,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645185346] [2022-10-15 21:57:27,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645185346] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:27,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:27,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209920905] [2022-10-15 21:57:27,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:27,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:27,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:27,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:27,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,009 INFO L87 Difference]: Start difference. First operand 252 states and 349 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:27,069 INFO L93 Difference]: Finished difference Result 652 states and 935 transitions. [2022-10-15 21:57:27,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:27,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:27,073 INFO L225 Difference]: With dead ends: 652 [2022-10-15 21:57:27,073 INFO L226 Difference]: Without dead ends: 446 [2022-10-15 21:57:27,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,088 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 139 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:27,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 487 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-10-15 21:57:27,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 416. [2022-10-15 21:57:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 386 states have (on average 1.6321243523316062) internal successors, (630), 415 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 630 transitions. [2022-10-15 21:57:27,143 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 630 transitions. Word has length 72 [2022-10-15 21:57:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:27,146 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 630 transitions. [2022-10-15 21:57:27,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 630 transitions. [2022-10-15 21:57:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:27,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:27,155 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] [2022-10-15 21:57:27,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:57:27,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -886025394, now seen corresponding path program 1 times [2022-10-15 21:57:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:27,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336661556] [2022-10-15 21:57:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:27,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:27,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336661556] [2022-10-15 21:57:27,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336661556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:27,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:27,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:27,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402753870] [2022-10-15 21:57:27,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:27,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:27,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:27,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:27,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,341 INFO L87 Difference]: Start difference. First operand 416 states and 630 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:27,390 INFO L93 Difference]: Finished difference Result 1132 states and 1758 transitions. [2022-10-15 21:57:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:27,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:27,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:27,396 INFO L225 Difference]: With dead ends: 1132 [2022-10-15 21:57:27,396 INFO L226 Difference]: Without dead ends: 762 [2022-10-15 21:57:27,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,399 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 135 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:27,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 486 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-10-15 21:57:27,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 732. [2022-10-15 21:57:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 702 states have (on average 1.6666666666666667) internal successors, (1170), 731 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1170 transitions. [2022-10-15 21:57:27,439 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1170 transitions. Word has length 72 [2022-10-15 21:57:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:27,439 INFO L495 AbstractCegarLoop]: Abstraction has 732 states and 1170 transitions. [2022-10-15 21:57:27,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1170 transitions. [2022-10-15 21:57:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:27,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:27,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:27,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:57:27,442 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:27,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash -548232252, now seen corresponding path program 1 times [2022-10-15 21:57:27,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:27,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998339660] [2022-10-15 21:57:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:27,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:27,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998339660] [2022-10-15 21:57:27,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998339660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:27,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:27,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:27,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507830339] [2022-10-15 21:57:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:27,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:27,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,631 INFO L87 Difference]: Start difference. First operand 732 states and 1170 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:27,709 INFO L93 Difference]: Finished difference Result 2056 states and 3338 transitions. [2022-10-15 21:57:27,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:27,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:27,720 INFO L225 Difference]: With dead ends: 2056 [2022-10-15 21:57:27,720 INFO L226 Difference]: Without dead ends: 1370 [2022-10-15 21:57:27,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,723 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 131 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:27,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 485 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:27,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2022-10-15 21:57:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1340. [2022-10-15 21:57:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1310 states have (on average 1.6839694656488549) internal successors, (2206), 1339 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2206 transitions. [2022-10-15 21:57:27,797 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2206 transitions. Word has length 72 [2022-10-15 21:57:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:27,797 INFO L495 AbstractCegarLoop]: Abstraction has 1340 states and 2206 transitions. [2022-10-15 21:57:27,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2206 transitions. [2022-10-15 21:57:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:27,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:27,799 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] [2022-10-15 21:57:27,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:57:27,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:27,800 INFO L85 PathProgramCache]: Analyzing trace with hash 669753146, now seen corresponding path program 1 times [2022-10-15 21:57:27,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:27,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193916271] [2022-10-15 21:57:27,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:27,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193916271] [2022-10-15 21:57:27,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193916271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:27,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:27,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898924660] [2022-10-15 21:57:27,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:27,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:27,905 INFO L87 Difference]: Start difference. First operand 1340 states and 2206 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:28,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:28,075 INFO L93 Difference]: Finished difference Result 3832 states and 6366 transitions. [2022-10-15 21:57:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:28,091 INFO L225 Difference]: With dead ends: 3832 [2022-10-15 21:57:28,092 INFO L226 Difference]: Without dead ends: 2538 [2022-10-15 21:57:28,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:28,095 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 127 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:28,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 484 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-10-15 21:57:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2508. [2022-10-15 21:57:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 2478 states have (on average 1.6908797417271995) internal successors, (4190), 2507 states have internal predecessors, (4190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 4190 transitions. [2022-10-15 21:57:28,250 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 4190 transitions. Word has length 72 [2022-10-15 21:57:28,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:28,251 INFO L495 AbstractCegarLoop]: Abstraction has 2508 states and 4190 transitions. [2022-10-15 21:57:28,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 4190 transitions. [2022-10-15 21:57:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:57:28,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:28,252 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] [2022-10-15 21:57:28,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:57:28,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:28,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:28,253 INFO L85 PathProgramCache]: Analyzing trace with hash 688500334, now seen corresponding path program 1 times [2022-10-15 21:57:28,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:28,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746071449] [2022-10-15 21:57:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:28,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:28,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:28,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746071449] [2022-10-15 21:57:28,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746071449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:28,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:28,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:28,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775709742] [2022-10-15 21:57:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:28,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:28,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:28,374 INFO L87 Difference]: Start difference. First operand 2508 states and 4190 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:29,143 INFO L93 Difference]: Finished difference Result 7429 states and 12478 transitions. [2022-10-15 21:57:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:57:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:29,188 INFO L225 Difference]: With dead ends: 7429 [2022-10-15 21:57:29,189 INFO L226 Difference]: Without dead ends: 7426 [2022-10-15 21:57:29,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:29,193 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 474 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:29,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 382 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7426 states. [2022-10-15 21:57:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 4940. [2022-10-15 21:57:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4940 states, 4910 states have (on average 1.6778004073319757) internal successors, (8238), 4939 states have internal predecessors, (8238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 8238 transitions. [2022-10-15 21:57:29,554 INFO L78 Accepts]: Start accepts. Automaton has 4940 states and 8238 transitions. Word has length 72 [2022-10-15 21:57:29,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:29,554 INFO L495 AbstractCegarLoop]: Abstraction has 4940 states and 8238 transitions. [2022-10-15 21:57:29,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4940 states and 8238 transitions. [2022-10-15 21:57:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:57:29,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:29,556 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] [2022-10-15 21:57:29,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:57:29,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:29,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash -131325623, now seen corresponding path program 1 times [2022-10-15 21:57:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:29,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942287721] [2022-10-15 21:57:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:29,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942287721] [2022-10-15 21:57:29,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942287721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:29,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:29,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712593356] [2022-10-15 21:57:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:29,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:29,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:29,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:29,681 INFO L87 Difference]: Start difference. First operand 4940 states and 8238 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:30,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:30,264 INFO L93 Difference]: Finished difference Result 7399 states and 12382 transitions. [2022-10-15 21:57:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:57:30,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:57:30,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:30,309 INFO L225 Difference]: With dead ends: 7399 [2022-10-15 21:57:30,309 INFO L226 Difference]: Without dead ends: 7396 [2022-10-15 21:57:30,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:30,316 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 467 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:30,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 233 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2022-10-15 21:57:30,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 7372. [2022-10-15 21:57:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7372 states, 7342 states have (on average 1.6603105420866249) internal successors, (12190), 7371 states have internal predecessors, (12190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7372 states to 7372 states and 12190 transitions. [2022-10-15 21:57:30,886 INFO L78 Accepts]: Start accepts. Automaton has 7372 states and 12190 transitions. Word has length 73 [2022-10-15 21:57:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:30,925 INFO L495 AbstractCegarLoop]: Abstraction has 7372 states and 12190 transitions. [2022-10-15 21:57:30,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7372 states and 12190 transitions. [2022-10-15 21:57:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:57:30,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:30,927 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] [2022-10-15 21:57:30,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:57:30,927 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:30,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:30,929 INFO L85 PathProgramCache]: Analyzing trace with hash 223873488, now seen corresponding path program 1 times [2022-10-15 21:57:30,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:30,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249786839] [2022-10-15 21:57:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:31,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:31,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249786839] [2022-10-15 21:57:31,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249786839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:31,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:31,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:31,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795266303] [2022-10-15 21:57:31,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:31,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:31,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:31,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:31,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:31,092 INFO L87 Difference]: Start difference. First operand 7372 states and 12190 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:32,043 INFO L93 Difference]: Finished difference Result 12308 states and 20190 transitions. [2022-10-15 21:57:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:57:32,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 21:57:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:32,105 INFO L225 Difference]: With dead ends: 12308 [2022-10-15 21:57:32,106 INFO L226 Difference]: Without dead ends: 12305 [2022-10-15 21:57:32,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:57:32,114 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 922 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:32,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 552 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:32,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12305 states. [2022-10-15 21:57:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12305 to 9804. [2022-10-15 21:57:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 9774 states have (on average 1.6417024759566197) internal successors, (16046), 9803 states have internal predecessors, (16046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 16046 transitions. [2022-10-15 21:57:32,882 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 16046 transitions. Word has length 74 [2022-10-15 21:57:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:32,883 INFO L495 AbstractCegarLoop]: Abstraction has 9804 states and 16046 transitions. [2022-10-15 21:57:32,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 16046 transitions. [2022-10-15 21:57:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:57:32,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:32,884 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] [2022-10-15 21:57:32,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:57:32,885 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:32,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1649855957, now seen corresponding path program 1 times [2022-10-15 21:57:32,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:32,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504939232] [2022-10-15 21:57:32,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:33,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:33,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504939232] [2022-10-15 21:57:33,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504939232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:33,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:33,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:33,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444079765] [2022-10-15 21:57:33,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:33,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:33,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:33,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:33,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:33,015 INFO L87 Difference]: Start difference. First operand 9804 states and 16046 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:33,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:33,893 INFO L93 Difference]: Finished difference Result 12284 states and 20094 transitions. [2022-10-15 21:57:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:57:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 21:57:33,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:33,942 INFO L225 Difference]: With dead ends: 12284 [2022-10-15 21:57:33,942 INFO L226 Difference]: Without dead ends: 12281 [2022-10-15 21:57:33,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:57:33,951 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 817 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:33,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 385 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12281 states. [2022-10-15 21:57:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12281 to 12236. [2022-10-15 21:57:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12236 states, 12206 states have (on average 1.622644601015894) internal successors, (19806), 12235 states have internal predecessors, (19806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12236 states to 12236 states and 19806 transitions. [2022-10-15 21:57:34,888 INFO L78 Accepts]: Start accepts. Automaton has 12236 states and 19806 transitions. Word has length 75 [2022-10-15 21:57:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:34,889 INFO L495 AbstractCegarLoop]: Abstraction has 12236 states and 19806 transitions. [2022-10-15 21:57:34,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12236 states and 19806 transitions. [2022-10-15 21:57:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:57:34,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:34,891 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] [2022-10-15 21:57:34,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:57:34,892 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash 394073394, now seen corresponding path program 1 times [2022-10-15 21:57:34,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:34,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012497112] [2022-10-15 21:57:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:35,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:35,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012497112] [2022-10-15 21:57:35,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012497112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:35,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:35,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320380569] [2022-10-15 21:57:35,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:35,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:57:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:35,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:57:35,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:57:35,062 INFO L87 Difference]: Start difference. First operand 12236 states and 19806 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:36,565 INFO L93 Difference]: Finished difference Result 19613 states and 31566 transitions. [2022-10-15 21:57:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:57:36,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:57:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:36,625 INFO L225 Difference]: With dead ends: 19613 [2022-10-15 21:57:36,625 INFO L226 Difference]: Without dead ends: 19610 [2022-10-15 21:57:36,633 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 [2022-10-15 21:57:36,635 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 1454 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:36,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 736 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:57:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19610 states. [2022-10-15 21:57:37,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19610 to 14668. [2022-10-15 21:57:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14668 states, 14638 states have (on average 1.603361114906408) internal successors, (23470), 14667 states have internal predecessors, (23470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14668 states to 14668 states and 23470 transitions. [2022-10-15 21:57:37,548 INFO L78 Accepts]: Start accepts. Automaton has 14668 states and 23470 transitions. Word has length 76 [2022-10-15 21:57:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:37,548 INFO L495 AbstractCegarLoop]: Abstraction has 14668 states and 23470 transitions. [2022-10-15 21:57:37,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 14668 states and 23470 transitions. [2022-10-15 21:57:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:57:37,550 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:37,551 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] [2022-10-15 21:57:37,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:57:37,551 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:37,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:37,552 INFO L85 PathProgramCache]: Analyzing trace with hash -668626163, now seen corresponding path program 1 times [2022-10-15 21:57:37,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:37,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416518526] [2022-10-15 21:57:37,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:37,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:37,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416518526] [2022-10-15 21:57:37,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416518526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:37,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:37,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:37,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725072822] [2022-10-15 21:57:37,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:37,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:57:37,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:37,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:57:37,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:57:37,695 INFO L87 Difference]: Start difference. First operand 14668 states and 23470 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:38,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:38,987 INFO L93 Difference]: Finished difference Result 19598 states and 31278 transitions. [2022-10-15 21:57:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:57:38,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:57:38,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:39,058 INFO L225 Difference]: With dead ends: 19598 [2022-10-15 21:57:39,059 INFO L226 Difference]: Without dead ends: 19595 [2022-10-15 21:57:39,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:57:39,071 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1271 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:39,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 551 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:57:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19595 states. [2022-10-15 21:57:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19595 to 19532. [2022-10-15 21:57:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19532 states, 19502 states have (on average 1.5841452158752949) internal successors, (30894), 19531 states have internal predecessors, (30894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19532 states to 19532 states and 30894 transitions. [2022-10-15 21:57:40,261 INFO L78 Accepts]: Start accepts. Automaton has 19532 states and 30894 transitions. Word has length 77 [2022-10-15 21:57:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:40,261 INFO L495 AbstractCegarLoop]: Abstraction has 19532 states and 30894 transitions. [2022-10-15 21:57:40,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19532 states and 30894 transitions. [2022-10-15 21:57:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:57:40,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:40,263 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] [2022-10-15 21:57:40,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:57:40,264 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:40,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash 814743033, now seen corresponding path program 1 times [2022-10-15 21:57:40,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:40,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278532477] [2022-10-15 21:57:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:40,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:40,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:40,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278532477] [2022-10-15 21:57:40,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278532477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:40,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:40,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:40,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460400797] [2022-10-15 21:57:40,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:40,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:40,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:40,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:40,347 INFO L87 Difference]: Start difference. First operand 19532 states and 30894 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:41,677 INFO L93 Difference]: Finished difference Result 56200 states and 89006 transitions. [2022-10-15 21:57:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:41,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:57:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:41,768 INFO L225 Difference]: With dead ends: 56200 [2022-10-15 21:57:41,768 INFO L226 Difference]: Without dead ends: 36714 [2022-10-15 21:57:41,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:41,805 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 143 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:41,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 494 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:41,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36714 states. [2022-10-15 21:57:43,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36714 to 36684. [2022-10-15 21:57:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36684 states, 36654 states have (on average 1.5796911660391773) internal successors, (57902), 36683 states have internal predecessors, (57902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36684 states to 36684 states and 57902 transitions. [2022-10-15 21:57:44,065 INFO L78 Accepts]: Start accepts. Automaton has 36684 states and 57902 transitions. Word has length 77 [2022-10-15 21:57:44,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:44,066 INFO L495 AbstractCegarLoop]: Abstraction has 36684 states and 57902 transitions. [2022-10-15 21:57:44,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 36684 states and 57902 transitions. [2022-10-15 21:57:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 21:57:44,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:44,067 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] [2022-10-15 21:57:44,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:57:44,068 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:44,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash 747425940, now seen corresponding path program 1 times [2022-10-15 21:57:44,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:44,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839565531] [2022-10-15 21:57:44,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:44,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:44,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839565531] [2022-10-15 21:57:44,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839565531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:44,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:44,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:57:44,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385198846] [2022-10-15 21:57:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:44,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:57:44,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:57:44,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:44,241 INFO L87 Difference]: Start difference. First operand 36684 states and 57902 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:47,042 INFO L93 Difference]: Finished difference Result 55072 states and 86830 transitions. [2022-10-15 21:57:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:57:47,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-15 21:57:47,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:47,132 INFO L225 Difference]: With dead ends: 55072 [2022-10-15 21:57:47,133 INFO L226 Difference]: Without dead ends: 55069 [2022-10-15 21:57:47,149 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 [2022-10-15 21:57:47,150 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 2044 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:47,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 740 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:57:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55069 states. [2022-10-15 21:57:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55069 to 41260. [2022-10-15 21:57:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41260 states, 41230 states have (on average 1.561144797477565) internal successors, (64366), 41259 states have internal predecessors, (64366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41260 states to 41260 states and 64366 transitions. [2022-10-15 21:57:49,543 INFO L78 Accepts]: Start accepts. Automaton has 41260 states and 64366 transitions. Word has length 78 [2022-10-15 21:57:49,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:49,543 INFO L495 AbstractCegarLoop]: Abstraction has 41260 states and 64366 transitions. [2022-10-15 21:57:49,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 41260 states and 64366 transitions. [2022-10-15 21:57:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:57:49,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:49,544 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] [2022-10-15 21:57:49,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:57:49,545 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:49,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:49,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1695368175, now seen corresponding path program 1 times [2022-10-15 21:57:49,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:49,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021066346] [2022-10-15 21:57:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:49,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:49,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021066346] [2022-10-15 21:57:49,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021066346] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:49,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:49,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:57:49,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909279477] [2022-10-15 21:57:49,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:49,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:57:49,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:49,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:57:49,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:49,977 INFO L87 Difference]: Start difference. First operand 41260 states and 64366 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:52,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:52,252 INFO L93 Difference]: Finished difference Result 55069 states and 85486 transitions. [2022-10-15 21:57:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:57:52,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-15 21:57:52,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:52,331 INFO L225 Difference]: With dead ends: 55069 [2022-10-15 21:57:52,331 INFO L226 Difference]: Without dead ends: 55066 [2022-10-15 21:57:52,426 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 [2022-10-15 21:57:52,427 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2106 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:52,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 599 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:57:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55066 states. [2022-10-15 21:57:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55066 to 54988. [2022-10-15 21:57:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54988 states, 54958 states have (on average 1.5380108446450016) internal successors, (84526), 54987 states have internal predecessors, (84526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54988 states to 54988 states and 84526 transitions. [2022-10-15 21:57:55,479 INFO L78 Accepts]: Start accepts. Automaton has 54988 states and 84526 transitions. Word has length 79 [2022-10-15 21:57:55,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:55,480 INFO L495 AbstractCegarLoop]: Abstraction has 54988 states and 84526 transitions. [2022-10-15 21:57:55,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 54988 states and 84526 transitions. [2022-10-15 21:57:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:57:55,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:55,487 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] [2022-10-15 21:57:55,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:57:55,487 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:55,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:55,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1016806390, now seen corresponding path program 1 times [2022-10-15 21:57:55,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:55,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551302034] [2022-10-15 21:57:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:55,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:55,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551302034] [2022-10-15 21:57:55,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551302034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:55,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:55,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:57:55,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495951981] [2022-10-15 21:57:55,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:55,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:57:55,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:55,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:57:55,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:57:55,686 INFO L87 Difference]: Start difference. First operand 54988 states and 84526 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:04,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:04,672 INFO L93 Difference]: Finished difference Result 201600 states and 312110 transitions. [2022-10-15 21:58:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-15 21:58:04,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 21:58:04,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:05,023 INFO L225 Difference]: With dead ends: 201600 [2022-10-15 21:58:05,023 INFO L226 Difference]: Without dead ends: 146658 [2022-10-15 21:58:05,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-15 21:58:05,136 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 3123 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:05,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 1370 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:58:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146658 states. [2022-10-15 21:58:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146658 to 109900. [2022-10-15 21:58:12,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109900 states, 109870 states have (on average 1.503285701283335) internal successors, (165166), 109899 states have internal predecessors, (165166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109900 states to 109900 states and 165166 transitions. [2022-10-15 21:58:12,501 INFO L78 Accepts]: Start accepts. Automaton has 109900 states and 165166 transitions. Word has length 80 [2022-10-15 21:58:12,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:12,501 INFO L495 AbstractCegarLoop]: Abstraction has 109900 states and 165166 transitions. [2022-10-15 21:58:12,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 109900 states and 165166 transitions. [2022-10-15 21:58:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:58:12,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:12,502 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] [2022-10-15 21:58:12,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:58:12,503 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:58:12,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:12,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1456227537, now seen corresponding path program 1 times [2022-10-15 21:58:12,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:12,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584047385] [2022-10-15 21:58:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:12,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:12,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:12,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584047385] [2022-10-15 21:58:12,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584047385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:12,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:12,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:58:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886687933] [2022-10-15 21:58:12,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:12,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:58:12,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:58:12,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:58:12,742 INFO L87 Difference]: Start difference. First operand 109900 states and 165166 transitions. Second operand has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)