/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.5_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:17:24,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:17:24,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:17:24,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:17:24,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:17:24,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:17:24,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:17:24,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:17:24,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:17:24,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:17:24,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:17:24,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:17:24,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:17:24,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:17:24,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:17:24,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:17:24,488 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:17:24,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:17:24,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:17:24,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:17:24,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:17:24,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:17:24,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:17:24,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:17:24,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:17:24,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:17:24,493 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:17:24,493 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:17:24,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:17:24,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:17:24,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:17:24,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:17:24,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:17:24,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:17:24,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:17:24,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:17:24,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:17:24,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:17:24,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:17:24,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:17:24,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:17:24,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:17:24,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:17:24,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:17:24,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:17:24,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:17:24,986 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:17:24,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:17:25,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a493efd/6989615b6c2644469520f6c7ff76c795/FLAG95443800c [2022-10-16 15:17:25,726 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:17:25,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:17:25,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a493efd/6989615b6c2644469520f6c7ff76c795/FLAG95443800c [2022-10-16 15:17:26,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a493efd/6989615b6c2644469520f6c7ff76c795 [2022-10-16 15:17:26,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:17:26,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:17:26,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:17:26,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:17:26,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:17:26,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fcc181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26, skipping insertion in model container [2022-10-16 15:17:26,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:17:26,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:17:26,443 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.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-10-16 15:17:26,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:17:26,471 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:17:26,561 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.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-10-16 15:17:26,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:17:26,581 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:17:26,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26 WrapperNode [2022-10-16 15:17:26,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:17:26,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:17:26,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:17:26,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:17:26,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,646 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 355 [2022-10-16 15:17:26,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:17:26,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:17:26,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:17:26,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:17:26,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:17:26,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:17:26,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:17:26,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:17:26,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (1/1) ... [2022-10-16 15:17:26,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:17:26,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:17:26,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:17:26,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:17:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:17:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:17:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:17:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:17:26,960 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:17:26,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:17:27,645 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:17:27,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:17:27,656 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:17:27,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:17:27 BoogieIcfgContainer [2022-10-16 15:17:27,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:17:27,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:17:27,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:17:27,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:17:27,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:17:26" (1/3) ... [2022-10-16 15:17:27,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9e0049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:17:27, skipping insertion in model container [2022-10-16 15:17:27,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:26" (2/3) ... [2022-10-16 15:17:27,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9e0049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:17:27, skipping insertion in model container [2022-10-16 15:17:27,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:17:27" (3/3) ... [2022-10-16 15:17:27,674 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-16 15:17:27,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:17:27,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-16 15:17:27,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:17:27,773 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;@5cbeab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:17:27,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-16 15:17:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 117 states have (on average 1.7777777777777777) internal successors, (208), 143 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:17:27,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:27,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:27,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:27,795 INFO L85 PathProgramCache]: Analyzing trace with hash -35935790, now seen corresponding path program 1 times [2022-10-16 15:17:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:27,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62804333] [2022-10-16 15:17:27,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:27,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:28,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:28,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62804333] [2022-10-16 15:17:28,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62804333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:28,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:28,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:17:28,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951967907] [2022-10-16 15:17:28,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:28,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:17:28,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:28,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:17:28,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:17:28,102 INFO L87 Difference]: Start difference. First operand has 144 states, 117 states have (on average 1.7777777777777777) internal successors, (208), 143 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:28,163 INFO L93 Difference]: Finished difference Result 246 states and 345 transitions. [2022-10-16 15:17:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:17:28,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:17:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:28,182 INFO L225 Difference]: With dead ends: 246 [2022-10-16 15:17:28,182 INFO L226 Difference]: Without dead ends: 137 [2022-10-16 15:17:28,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:17:28,192 INFO L413 NwaCegarLoop]: 199 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, 199 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:28,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-10-16 15:17:28,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-10-16 15:17:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 113 states have (on average 1.752212389380531) internal successors, (198), 136 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2022-10-16 15:17:28,264 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 10 [2022-10-16 15:17:28,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:28,264 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2022-10-16 15:17:28,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2022-10-16 15:17:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 15:17:28,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:28,267 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] [2022-10-16 15:17:28,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:17:28,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 826394160, now seen corresponding path program 1 times [2022-10-16 15:17:28,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:28,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266635049] [2022-10-16 15:17:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:28,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:28,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:28,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266635049] [2022-10-16 15:17:28,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266635049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:28,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:28,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:28,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070416941] [2022-10-16 15:17:28,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:28,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:28,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:28,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:28,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:28,611 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:28,716 INFO L93 Difference]: Finished difference Result 241 states and 332 transitions. [2022-10-16 15:17:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-16 15:17:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:28,721 INFO L225 Difference]: With dead ends: 241 [2022-10-16 15:17:28,721 INFO L226 Difference]: Without dead ends: 137 [2022-10-16 15:17:28,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:28,727 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 3 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:28,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 750 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-10-16 15:17:28,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-10-16 15:17:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 136 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2022-10-16 15:17:28,752 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 29 [2022-10-16 15:17:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:28,755 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2022-10-16 15:17:28,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2022-10-16 15:17:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:17:28,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:28,758 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] [2022-10-16 15:17:28,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:17:28,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:28,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1702093415, now seen corresponding path program 1 times [2022-10-16 15:17:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:28,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539695414] [2022-10-16 15:17:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:28,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:28,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539695414] [2022-10-16 15:17:28,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539695414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:28,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:28,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:28,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239467003] [2022-10-16 15:17:28,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:28,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:28,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:28,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:28,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:28,911 INFO L87 Difference]: Start difference. First operand 137 states and 167 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:28,945 INFO L93 Difference]: Finished difference Result 331 states and 417 transitions. [2022-10-16 15:17:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:17:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:28,949 INFO L225 Difference]: With dead ends: 331 [2022-10-16 15:17:28,949 INFO L226 Difference]: Without dead ends: 231 [2022-10-16 15:17:28,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:28,952 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 116 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:28,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 400 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:28,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-16 15:17:28,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 207. [2022-10-16 15:17:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 183 states have (on average 1.5628415300546448) internal successors, (286), 206 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 286 transitions. [2022-10-16 15:17:28,973 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 286 transitions. Word has length 59 [2022-10-16 15:17:28,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:28,974 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 286 transitions. [2022-10-16 15:17:28,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 286 transitions. [2022-10-16 15:17:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:17:28,976 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:28,977 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] [2022-10-16 15:17:28,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:17:28,977 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash -913259621, now seen corresponding path program 1 times [2022-10-16 15:17:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666394009] [2022-10-16 15:17:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:29,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:29,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666394009] [2022-10-16 15:17:29,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666394009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:29,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:29,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:29,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619073607] [2022-10-16 15:17:29,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:29,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:29,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:29,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,100 INFO L87 Difference]: Start difference. First operand 207 states and 286 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:29,145 INFO L93 Difference]: Finished difference Result 535 states and 764 transitions. [2022-10-16 15:17:29,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:29,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:17:29,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:29,151 INFO L225 Difference]: With dead ends: 535 [2022-10-16 15:17:29,151 INFO L226 Difference]: Without dead ends: 365 [2022-10-16 15:17:29,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,159 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 112 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:29,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 399 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-10-16 15:17:29,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 341. [2022-10-16 15:17:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 317 states have (on average 1.6182965299684542) internal successors, (513), 340 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 513 transitions. [2022-10-16 15:17:29,229 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 513 transitions. Word has length 59 [2022-10-16 15:17:29,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:29,230 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 513 transitions. [2022-10-16 15:17:29,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 513 transitions. [2022-10-16 15:17:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:17:29,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:29,232 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] [2022-10-16 15:17:29,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:17:29,237 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:29,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:29,238 INFO L85 PathProgramCache]: Analyzing trace with hash -317301041, now seen corresponding path program 1 times [2022-10-16 15:17:29,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:29,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431311421] [2022-10-16 15:17:29,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:29,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:29,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:29,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431311421] [2022-10-16 15:17:29,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431311421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:29,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:29,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:29,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500744060] [2022-10-16 15:17:29,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:29,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:29,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,366 INFO L87 Difference]: Start difference. First operand 341 states and 513 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:29,429 INFO L93 Difference]: Finished difference Result 925 states and 1425 transitions. [2022-10-16 15:17:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:29,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:17:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:29,435 INFO L225 Difference]: With dead ends: 925 [2022-10-16 15:17:29,435 INFO L226 Difference]: Without dead ends: 621 [2022-10-16 15:17:29,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,445 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 108 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:29,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 398 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2022-10-16 15:17:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 597. [2022-10-16 15:17:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 573 states have (on average 1.649214659685864) internal successors, (945), 596 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 945 transitions. [2022-10-16 15:17:29,481 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 945 transitions. Word has length 59 [2022-10-16 15:17:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:29,482 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 945 transitions. [2022-10-16 15:17:29,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 945 transitions. [2022-10-16 15:17:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:17:29,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:29,484 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] [2022-10-16 15:17:29,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:17:29,484 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 900684357, now seen corresponding path program 1 times [2022-10-16 15:17:29,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:29,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719088638] [2022-10-16 15:17:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:29,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:29,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:29,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719088638] [2022-10-16 15:17:29,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719088638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:29,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:29,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:29,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507562739] [2022-10-16 15:17:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:29,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:29,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:29,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,584 INFO L87 Difference]: Start difference. First operand 597 states and 945 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:29,648 INFO L93 Difference]: Finished difference Result 1669 states and 2681 transitions. [2022-10-16 15:17:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:29,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:17:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:29,656 INFO L225 Difference]: With dead ends: 1669 [2022-10-16 15:17:29,656 INFO L226 Difference]: Without dead ends: 1109 [2022-10-16 15:17:29,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:29,659 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 104 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:29,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 397 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:29,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-10-16 15:17:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1085. [2022-10-16 15:17:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1061 states have (on average 1.6635249764373232) internal successors, (1765), 1084 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1765 transitions. [2022-10-16 15:17:29,722 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1765 transitions. Word has length 59 [2022-10-16 15:17:29,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:29,722 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 1765 transitions. [2022-10-16 15:17:29,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1765 transitions. [2022-10-16 15:17:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:17:29,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:29,724 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] [2022-10-16 15:17:29,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:17:29,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:29,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:29,725 INFO L85 PathProgramCache]: Analyzing trace with hash 919371963, now seen corresponding path program 1 times [2022-10-16 15:17:29,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:29,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219535130] [2022-10-16 15:17:29,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:29,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:29,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:29,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:29,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219535130] [2022-10-16 15:17:29,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219535130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:29,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:29,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:29,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884433681] [2022-10-16 15:17:29,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:29,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:29,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:29,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:29,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:29,835 INFO L87 Difference]: Start difference. First operand 1085 states and 1765 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:30,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:30,212 INFO L93 Difference]: Finished difference Result 3178 states and 5221 transitions. [2022-10-16 15:17:30,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:30,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:17:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:30,233 INFO L225 Difference]: With dead ends: 3178 [2022-10-16 15:17:30,233 INFO L226 Difference]: Without dead ends: 3175 [2022-10-16 15:17:30,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:30,236 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 388 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:30,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 321 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:30,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2022-10-16 15:17:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2109. [2022-10-16 15:17:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2085 states have (on average 1.6522781774580335) internal successors, (3445), 2108 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3445 transitions. [2022-10-16 15:17:30,379 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3445 transitions. Word has length 59 [2022-10-16 15:17:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:30,380 INFO L495 AbstractCegarLoop]: Abstraction has 2109 states and 3445 transitions. [2022-10-16 15:17:30,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3445 transitions. [2022-10-16 15:17:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:17:30,381 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:30,381 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] [2022-10-16 15:17:30,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:17:30,382 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:30,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:30,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1564239809, now seen corresponding path program 1 times [2022-10-16 15:17:30,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:30,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599406950] [2022-10-16 15:17:30,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:30,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:30,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:30,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599406950] [2022-10-16 15:17:30,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599406950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:30,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:30,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:30,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730367995] [2022-10-16 15:17:30,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:30,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:17:30,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:30,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:17:30,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:17:30,485 INFO L87 Difference]: Start difference. First operand 2109 states and 3445 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:30,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:30,787 INFO L93 Difference]: Finished difference Result 3154 states and 5173 transitions. [2022-10-16 15:17:30,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:17:30,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:17:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:30,805 INFO L225 Difference]: With dead ends: 3154 [2022-10-16 15:17:30,805 INFO L226 Difference]: Without dead ends: 3151 [2022-10-16 15:17:30,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:30,808 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 381 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:30,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 194 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2022-10-16 15:17:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 3133. [2022-10-16 15:17:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 3109 states have (on average 1.6330009649404953) internal successors, (5077), 3132 states have internal predecessors, (5077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 5077 transitions. [2022-10-16 15:17:31,032 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 5077 transitions. Word has length 60 [2022-10-16 15:17:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:31,033 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 5077 transitions. [2022-10-16 15:17:31,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 5077 transitions. [2022-10-16 15:17:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:17:31,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:31,035 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] [2022-10-16 15:17:31,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:17:31,035 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:31,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:31,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1246793411, now seen corresponding path program 1 times [2022-10-16 15:17:31,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:31,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11282300] [2022-10-16 15:17:31,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:31,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:31,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11282300] [2022-10-16 15:17:31,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11282300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:31,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:31,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:31,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100929137] [2022-10-16 15:17:31,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:31,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:31,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:31,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:31,202 INFO L87 Difference]: Start difference. First operand 3133 states and 5077 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:31,752 INFO L93 Difference]: Finished difference Result 5235 states and 8389 transitions. [2022-10-16 15:17:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:17:31,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 15:17:31,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:31,786 INFO L225 Difference]: With dead ends: 5235 [2022-10-16 15:17:31,786 INFO L226 Difference]: Without dead ends: 5232 [2022-10-16 15:17:31,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:17:31,795 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 746 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:31,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 469 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:17:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2022-10-16 15:17:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 4157. [2022-10-16 15:17:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4157 states, 4133 states have (on average 1.6116622308250665) internal successors, (6661), 4156 states have internal predecessors, (6661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 6661 transitions. [2022-10-16 15:17:32,095 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 6661 transitions. Word has length 61 [2022-10-16 15:17:32,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:32,095 INFO L495 AbstractCegarLoop]: Abstraction has 4157 states and 6661 transitions. [2022-10-16 15:17:32,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 6661 transitions. [2022-10-16 15:17:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:17:32,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:32,097 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] [2022-10-16 15:17:32,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:17:32,097 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:32,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash 4110337, now seen corresponding path program 1 times [2022-10-16 15:17:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:32,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079738122] [2022-10-16 15:17:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:32,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079738122] [2022-10-16 15:17:32,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079738122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:32,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:32,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969424865] [2022-10-16 15:17:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:32,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:32,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:32,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:32,212 INFO L87 Difference]: Start difference. First operand 4157 states and 6661 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:32,724 INFO L93 Difference]: Finished difference Result 5217 states and 8341 transitions. [2022-10-16 15:17:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:32,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:17:32,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:32,752 INFO L225 Difference]: With dead ends: 5217 [2022-10-16 15:17:32,752 INFO L226 Difference]: Without dead ends: 5214 [2022-10-16 15:17:32,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:17:32,756 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 660 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:32,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 324 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:32,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2022-10-16 15:17:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5181. [2022-10-16 15:17:33,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 5157 states have (on average 1.5894900135737833) internal successors, (8197), 5180 states have internal predecessors, (8197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 8197 transitions. [2022-10-16 15:17:33,084 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 8197 transitions. Word has length 62 [2022-10-16 15:17:33,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:33,084 INFO L495 AbstractCegarLoop]: Abstraction has 5181 states and 8197 transitions. [2022-10-16 15:17:33,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 8197 transitions. [2022-10-16 15:17:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:17:33,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:33,086 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] [2022-10-16 15:17:33,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:17:33,087 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:33,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:33,087 INFO L85 PathProgramCache]: Analyzing trace with hash 482822413, now seen corresponding path program 1 times [2022-10-16 15:17:33,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:33,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600807881] [2022-10-16 15:17:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:33,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:33,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:33,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600807881] [2022-10-16 15:17:33,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600807881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:33,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:33,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:33,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689185904] [2022-10-16 15:17:33,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:33,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:33,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:33,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:33,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:33,161 INFO L87 Difference]: Start difference. First operand 5181 states and 8197 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:33,731 INFO L93 Difference]: Finished difference Result 14829 states and 23557 transitions. [2022-10-16 15:17:33,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:17:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:33,788 INFO L225 Difference]: With dead ends: 14829 [2022-10-16 15:17:33,789 INFO L226 Difference]: Without dead ends: 9685 [2022-10-16 15:17:33,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:33,798 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 118 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:33,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 406 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2022-10-16 15:17:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 9661. [2022-10-16 15:17:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9661 states, 9637 states have (on average 1.589395039950192) internal successors, (15317), 9660 states have internal predecessors, (15317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9661 states to 9661 states and 15317 transitions. [2022-10-16 15:17:34,488 INFO L78 Accepts]: Start accepts. Automaton has 9661 states and 15317 transitions. Word has length 63 [2022-10-16 15:17:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:34,489 INFO L495 AbstractCegarLoop]: Abstraction has 9661 states and 15317 transitions. [2022-10-16 15:17:34,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9661 states and 15317 transitions. [2022-10-16 15:17:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:17:34,490 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:34,490 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] [2022-10-16 15:17:34,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:17:34,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:34,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:34,491 INFO L85 PathProgramCache]: Analyzing trace with hash 127420863, now seen corresponding path program 1 times [2022-10-16 15:17:34,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:34,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090409024] [2022-10-16 15:17:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:34,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:34,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090409024] [2022-10-16 15:17:34,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090409024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:34,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:34,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:34,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053979236] [2022-10-16 15:17:34,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:34,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:34,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:34,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:34,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:34,608 INFO L87 Difference]: Start difference. First operand 9661 states and 15317 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:35,683 INFO L93 Difference]: Finished difference Result 15478 states and 24389 transitions. [2022-10-16 15:17:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:17:35,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:17:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:35,727 INFO L225 Difference]: With dead ends: 15478 [2022-10-16 15:17:35,728 INFO L226 Difference]: Without dead ends: 15475 [2022-10-16 15:17:35,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:17:35,735 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1161 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:35,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 508 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:17:35,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15475 states. [2022-10-16 15:17:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15475 to 11581. [2022-10-16 15:17:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11581 states, 11557 states have (on average 1.5648524703642814) internal successors, (18085), 11580 states have internal predecessors, (18085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11581 states to 11581 states and 18085 transitions. [2022-10-16 15:17:36,587 INFO L78 Accepts]: Start accepts. Automaton has 11581 states and 18085 transitions. Word has length 63 [2022-10-16 15:17:36,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:36,588 INFO L495 AbstractCegarLoop]: Abstraction has 11581 states and 18085 transitions. [2022-10-16 15:17:36,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 11581 states and 18085 transitions. [2022-10-16 15:17:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:17:36,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:36,590 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] [2022-10-16 15:17:36,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:17:36,591 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -344920125, now seen corresponding path program 1 times [2022-10-16 15:17:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:36,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940627183] [2022-10-16 15:17:36,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:36,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:36,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940627183] [2022-10-16 15:17:36,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940627183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:36,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:36,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:36,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059384027] [2022-10-16 15:17:36,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:36,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:36,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:36,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:36,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:36,746 INFO L87 Difference]: Start difference. First operand 11581 states and 18085 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:37,795 INFO L93 Difference]: Finished difference Result 15469 states and 24101 transitions. [2022-10-16 15:17:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:17:37,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 15:17:37,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:37,835 INFO L225 Difference]: With dead ends: 15469 [2022-10-16 15:17:37,836 INFO L226 Difference]: Without dead ends: 15466 [2022-10-16 15:17:37,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:17:37,843 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 1193 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:37,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 394 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15466 states. [2022-10-16 15:17:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15466 to 15421. [2022-10-16 15:17:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15421 states, 15397 states have (on average 1.5403650061700331) internal successors, (23717), 15420 states have internal predecessors, (23717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15421 states to 15421 states and 23717 transitions. [2022-10-16 15:17:38,842 INFO L78 Accepts]: Start accepts. Automaton has 15421 states and 23717 transitions. Word has length 64 [2022-10-16 15:17:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:38,842 INFO L495 AbstractCegarLoop]: Abstraction has 15421 states and 23717 transitions. [2022-10-16 15:17:38,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 15421 states and 23717 transitions. [2022-10-16 15:17:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:17:38,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:38,843 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] [2022-10-16 15:17:38,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:17:38,844 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:38,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2102588863, now seen corresponding path program 1 times [2022-10-16 15:17:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:38,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105349838] [2022-10-16 15:17:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:38,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:38,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:38,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105349838] [2022-10-16 15:17:38,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105349838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:38,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:38,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:17:38,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457699920] [2022-10-16 15:17:38,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:38,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:17:38,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:38,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:17:38,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:38,977 INFO L87 Difference]: Start difference. First operand 15421 states and 23717 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:41,640 INFO L93 Difference]: Finished difference Result 57781 states and 89413 transitions. [2022-10-16 15:17:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:17:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 15:17:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:41,755 INFO L225 Difference]: With dead ends: 57781 [2022-10-16 15:17:41,755 INFO L226 Difference]: Without dead ends: 42397 [2022-10-16 15:17:41,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:17:41,790 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1905 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:41,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 956 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:17:41,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42397 states. [2022-10-16 15:17:43,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42397 to 30781. [2022-10-16 15:17:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30781 states, 30757 states have (on average 1.499398510908086) internal successors, (46117), 30780 states have internal predecessors, (46117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30781 states to 30781 states and 46117 transitions. [2022-10-16 15:17:43,402 INFO L78 Accepts]: Start accepts. Automaton has 30781 states and 46117 transitions. Word has length 65 [2022-10-16 15:17:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:43,402 INFO L495 AbstractCegarLoop]: Abstraction has 30781 states and 46117 transitions. [2022-10-16 15:17:43,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 30781 states and 46117 transitions. [2022-10-16 15:17:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:17:43,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:43,403 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] [2022-10-16 15:17:43,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:17:43,404 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:43,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:43,404 INFO L85 PathProgramCache]: Analyzing trace with hash -755744891, now seen corresponding path program 1 times [2022-10-16 15:17:43,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:43,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40045195] [2022-10-16 15:17:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:43,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:43,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:43,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40045195] [2022-10-16 15:17:43,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40045195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:43,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:43,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:17:43,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299249834] [2022-10-16 15:17:43,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:43,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:17:43,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:43,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:17:43,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:43,536 INFO L87 Difference]: Start difference. First operand 30781 states and 46117 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:45,861 INFO L93 Difference]: Finished difference Result 44314 states and 67125 transitions. [2022-10-16 15:17:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 15:17:45,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:17:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:45,963 INFO L225 Difference]: With dead ends: 44314 [2022-10-16 15:17:45,964 INFO L226 Difference]: Without dead ends: 44311 [2022-10-16 15:17:45,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 15:17:45,982 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 2057 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:45,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 661 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:17:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44311 states. [2022-10-16 15:17:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44311 to 44221. [2022-10-16 15:17:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44221 states, 44197 states have (on average 1.4840147521324978) internal successors, (65589), 44220 states have internal predecessors, (65589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44221 states to 44221 states and 65589 transitions. [2022-10-16 15:17:48,517 INFO L78 Accepts]: Start accepts. Automaton has 44221 states and 65589 transitions. Word has length 66 [2022-10-16 15:17:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:48,518 INFO L495 AbstractCegarLoop]: Abstraction has 44221 states and 65589 transitions. [2022-10-16 15:17:48,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 44221 states and 65589 transitions. [2022-10-16 15:17:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:17:48,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:48,530 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:48,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:17:48,532 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash -612688352, now seen corresponding path program 1 times [2022-10-16 15:17:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:48,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133168925] [2022-10-16 15:17:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:48,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:48,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:48,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133168925] [2022-10-16 15:17:48,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133168925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:48,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:48,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:17:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051662273] [2022-10-16 15:17:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:48,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:17:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:48,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:17:48,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:48,635 INFO L87 Difference]: Start difference. First operand 44221 states and 65589 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:51,195 INFO L93 Difference]: Finished difference Result 104533 states and 154391 transitions. [2022-10-16 15:17:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:17:51,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 15:17:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:51,345 INFO L225 Difference]: With dead ends: 104533 [2022-10-16 15:17:51,345 INFO L226 Difference]: Without dead ends: 60349 [2022-10-16 15:17:51,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:17:51,405 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 70 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:51,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 289 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:17:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60349 states. [2022-10-16 15:17:54,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60349 to 59695. [2022-10-16 15:17:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59695 states, 59671 states have (on average 1.470848485864155) internal successors, (87767), 59694 states have internal predecessors, (87767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59695 states to 59695 states and 87767 transitions. [2022-10-16 15:17:54,694 INFO L78 Accepts]: Start accepts. Automaton has 59695 states and 87767 transitions. Word has length 97 [2022-10-16 15:17:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:54,695 INFO L495 AbstractCegarLoop]: Abstraction has 59695 states and 87767 transitions. [2022-10-16 15:17:54,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 59695 states and 87767 transitions. [2022-10-16 15:17:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:17:54,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:54,699 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:54,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:17:54,699 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:17:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:54,700 INFO L85 PathProgramCache]: Analyzing trace with hash -261568144, now seen corresponding path program 1 times [2022-10-16 15:17:54,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:54,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022044890] [2022-10-16 15:17:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:54,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:17:55,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:55,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022044890] [2022-10-16 15:17:55,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022044890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:55,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:55,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:17:55,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593288674] [2022-10-16 15:17:55,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:55,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:17:55,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:55,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:17:55,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:55,043 INFO L87 Difference]: Start difference. First operand 59695 states and 87767 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:58,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:58,209 INFO L93 Difference]: Finished difference Result 119369 states and 175495 transitions. [2022-10-16 15:17:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:17:58,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:17:58,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:58,321 INFO L225 Difference]: With dead ends: 119369 [2022-10-16 15:17:58,322 INFO L226 Difference]: Without dead ends: 59713 [2022-10-16 15:17:58,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:17:58,392 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 325 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:58,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 531 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:17:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59713 states. [2022-10-16 15:18:01,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59713 to 59695. [2022-10-16 15:18:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59695 states, 59671 states have (on average 1.464681335992358) internal successors, (87399), 59694 states have internal predecessors, (87399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59695 states to 59695 states and 87399 transitions. [2022-10-16 15:18:01,541 INFO L78 Accepts]: Start accepts. Automaton has 59695 states and 87399 transitions. Word has length 105 [2022-10-16 15:18:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:01,542 INFO L495 AbstractCegarLoop]: Abstraction has 59695 states and 87399 transitions. [2022-10-16 15:18:01,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 59695 states and 87399 transitions. [2022-10-16 15:18:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:18:01,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:01,546 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:01,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:18:01,546 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:01,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1011892135, now seen corresponding path program 1 times [2022-10-16 15:18:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:01,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408492177] [2022-10-16 15:18:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:01,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:01,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408492177] [2022-10-16 15:18:01,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408492177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:01,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:01,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:18:01,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964892101] [2022-10-16 15:18:01,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:01,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:18:01,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:01,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:18:01,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:01,881 INFO L87 Difference]: Start difference. First operand 59695 states and 87399 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:05,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:05,106 INFO L93 Difference]: Finished difference Result 77011 states and 113751 transitions. [2022-10-16 15:18:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:18:05,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 15:18:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:05,208 INFO L225 Difference]: With dead ends: 77011 [2022-10-16 15:18:05,208 INFO L226 Difference]: Without dead ends: 77008 [2022-10-16 15:18:05,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:05,223 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 183 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:05,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 377 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77008 states. [2022-10-16 15:18:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77008 to 60815. [2022-10-16 15:18:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60815 states, 60791 states have (on average 1.4690167952492967) internal successors, (89303), 60814 states have internal predecessors, (89303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60815 states to 60815 states and 89303 transitions. [2022-10-16 15:18:08,378 INFO L78 Accepts]: Start accepts. Automaton has 60815 states and 89303 transitions. Word has length 106 [2022-10-16 15:18:08,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:08,378 INFO L495 AbstractCegarLoop]: Abstraction has 60815 states and 89303 transitions. [2022-10-16 15:18:08,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 60815 states and 89303 transitions. [2022-10-16 15:18:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:18:08,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:08,383 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:08,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:18:08,383 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:08,384 INFO L85 PathProgramCache]: Analyzing trace with hash 329504769, now seen corresponding path program 1 times [2022-10-16 15:18:08,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:08,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556179160] [2022-10-16 15:18:08,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:08,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:08,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:08,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556179160] [2022-10-16 15:18:08,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556179160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:08,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:08,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:18:08,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970031197] [2022-10-16 15:18:08,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:08,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:18:08,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:08,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:18:08,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:08,769 INFO L87 Difference]: Start difference. First operand 60815 states and 89303 transitions. Second operand has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:12,374 INFO L93 Difference]: Finished difference Result 82774 states and 121959 transitions. [2022-10-16 15:18:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:18:12,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:18:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:12,475 INFO L225 Difference]: With dead ends: 82774 [2022-10-16 15:18:12,476 INFO L226 Difference]: Without dead ends: 82771 [2022-10-16 15:18:12,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:12,490 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 183 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:12,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 378 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82771 states. [2022-10-16 15:18:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82771 to 82735. [2022-10-16 15:18:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82735 states, 82711 states have (on average 1.471037709615408) internal successors, (121671), 82734 states have internal predecessors, (121671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82735 states to 82735 states and 121671 transitions. [2022-10-16 15:18:16,630 INFO L78 Accepts]: Start accepts. Automaton has 82735 states and 121671 transitions. Word has length 108 [2022-10-16 15:18:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:16,630 INFO L495 AbstractCegarLoop]: Abstraction has 82735 states and 121671 transitions. [2022-10-16 15:18:16,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 82735 states and 121671 transitions. [2022-10-16 15:18:16,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:18:16,635 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:16,636 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:16,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:18:16,636 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:16,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1650087227, now seen corresponding path program 1 times [2022-10-16 15:18:16,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:16,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017123878] [2022-10-16 15:18:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:18:17,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:17,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017123878] [2022-10-16 15:18:17,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017123878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:17,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:17,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841472945] [2022-10-16 15:18:17,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:17,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:17,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:17,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:17,043 INFO L87 Difference]: Start difference. First operand 82735 states and 121671 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:20,622 INFO L93 Difference]: Finished difference Result 82777 states and 121671 transitions. [2022-10-16 15:18:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:20,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:18:20,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:20,747 INFO L225 Difference]: With dead ends: 82777 [2022-10-16 15:18:20,747 INFO L226 Difference]: Without dead ends: 82774 [2022-10-16 15:18:20,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:20,766 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 434 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:20,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 468 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82774 states. [2022-10-16 15:18:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82774 to 74655. [2022-10-16 15:18:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74655 states, 74631 states have (on average 1.4716538703755813) internal successors, (109831), 74654 states have internal predecessors, (109831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74655 states to 74655 states and 109831 transitions. [2022-10-16 15:18:24,790 INFO L78 Accepts]: Start accepts. Automaton has 74655 states and 109831 transitions. Word has length 108 [2022-10-16 15:18:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:24,791 INFO L495 AbstractCegarLoop]: Abstraction has 74655 states and 109831 transitions. [2022-10-16 15:18:24,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 74655 states and 109831 transitions. [2022-10-16 15:18:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:18:24,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:24,795 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:24,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:18:24,796 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1765719717, now seen corresponding path program 1 times [2022-10-16 15:18:24,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:24,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157156382] [2022-10-16 15:18:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:24,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:24,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157156382] [2022-10-16 15:18:24,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157156382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:24,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:24,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:24,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151836064] [2022-10-16 15:18:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:24,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:24,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:24,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:24,946 INFO L87 Difference]: Start difference. First operand 74655 states and 109831 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:29,196 INFO L93 Difference]: Finished difference Result 90860 states and 133127 transitions. [2022-10-16 15:18:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:29,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:18:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:29,316 INFO L225 Difference]: With dead ends: 90860 [2022-10-16 15:18:29,316 INFO L226 Difference]: Without dead ends: 90857 [2022-10-16 15:18:29,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:29,334 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 432 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:29,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 488 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90857 states. [2022-10-16 15:18:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90857 to 90815. [2022-10-16 15:18:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90815 states, 90791 states have (on average 1.4620722318291461) internal successors, (132743), 90814 states have internal predecessors, (132743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90815 states to 90815 states and 132743 transitions. [2022-10-16 15:18:34,211 INFO L78 Accepts]: Start accepts. Automaton has 90815 states and 132743 transitions. Word has length 108 [2022-10-16 15:18:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:34,211 INFO L495 AbstractCegarLoop]: Abstraction has 90815 states and 132743 transitions. [2022-10-16 15:18:34,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 90815 states and 132743 transitions. [2022-10-16 15:18:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:18:34,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:34,216 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:34,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:18:34,216 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:34,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1624713657, now seen corresponding path program 1 times [2022-10-16 15:18:34,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:34,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950333050] [2022-10-16 15:18:34,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:34,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:34,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:34,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950333050] [2022-10-16 15:18:34,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950333050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:34,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:34,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:18:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866275469] [2022-10-16 15:18:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:34,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:18:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:18:34,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:34,601 INFO L87 Difference]: Start difference. First operand 90815 states and 132743 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:38,903 INFO L93 Difference]: Finished difference Result 90833 states and 132743 transitions. [2022-10-16 15:18:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:18:38,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:18:38,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:39,011 INFO L225 Difference]: With dead ends: 90833 [2022-10-16 15:18:39,012 INFO L226 Difference]: Without dead ends: 90830 [2022-10-16 15:18:39,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:18:39,029 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 179 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:39,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 302 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:18:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90830 states. [2022-10-16 15:18:43,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90830 to 90812. [2022-10-16 15:18:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90812 states, 90791 states have (on average 1.4557279906598672) internal successors, (132167), 90811 states have internal predecessors, (132167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90812 states to 90812 states and 132167 transitions. [2022-10-16 15:18:43,798 INFO L78 Accepts]: Start accepts. Automaton has 90812 states and 132167 transitions. Word has length 109 [2022-10-16 15:18:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:43,798 INFO L495 AbstractCegarLoop]: Abstraction has 90812 states and 132167 transitions. [2022-10-16 15:18:43,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 90812 states and 132167 transitions. [2022-10-16 15:18:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:18:43,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:43,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:43,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:18:43,803 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:43,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1097264035, now seen corresponding path program 1 times [2022-10-16 15:18:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:43,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406160539] [2022-10-16 15:18:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:44,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:44,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406160539] [2022-10-16 15:18:44,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406160539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:44,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:44,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:44,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194417123] [2022-10-16 15:18:44,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:44,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:44,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:44,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:44,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:44,237 INFO L87 Difference]: Start difference. First operand 90812 states and 132167 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:49,444 INFO L93 Difference]: Finished difference Result 119654 states and 176375 transitions. [2022-10-16 15:18:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:49,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:18:49,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:49,620 INFO L225 Difference]: With dead ends: 119654 [2022-10-16 15:18:49,621 INFO L226 Difference]: Without dead ends: 119651 [2022-10-16 15:18:49,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:18:49,643 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 452 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:49,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 371 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:49,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119651 states. [2022-10-16 15:18:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119651 to 108092. [2022-10-16 15:18:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108092 states, 108071 states have (on average 1.462362705998834) internal successors, (158039), 108091 states have internal predecessors, (158039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108092 states to 108092 states and 158039 transitions. [2022-10-16 15:18:55,544 INFO L78 Accepts]: Start accepts. Automaton has 108092 states and 158039 transitions. Word has length 109 [2022-10-16 15:18:55,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:55,544 INFO L495 AbstractCegarLoop]: Abstraction has 108092 states and 158039 transitions. [2022-10-16 15:18:55,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 108092 states and 158039 transitions. [2022-10-16 15:18:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:18:55,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:55,548 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:55,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:18:55,549 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:18:55,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1173483773, now seen corresponding path program 1 times [2022-10-16 15:18:55,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:55,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316236547] [2022-10-16 15:18:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:55,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:55,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316236547] [2022-10-16 15:18:55,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316236547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:55,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:55,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:55,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343303884] [2022-10-16 15:18:55,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:55,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:55,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:55,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:55,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:55,693 INFO L87 Difference]: Start difference. First operand 108092 states and 158039 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:01,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:01,359 INFO L93 Difference]: Finished difference Result 113897 states and 166823 transitions. [2022-10-16 15:19:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:19:01,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:19:01,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:01,546 INFO L225 Difference]: With dead ends: 113897 [2022-10-16 15:19:01,546 INFO L226 Difference]: Without dead ends: 113894 [2022-10-16 15:19:01,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:19:01,573 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 432 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:01,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 468 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:01,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113894 states. [2022-10-16 15:19:07,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113894 to 113852. [2022-10-16 15:19:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113852 states, 113831 states have (on average 1.4630021698834237) internal successors, (166535), 113851 states have internal predecessors, (166535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113852 states to 113852 states and 166535 transitions. [2022-10-16 15:19:08,181 INFO L78 Accepts]: Start accepts. Automaton has 113852 states and 166535 transitions. Word has length 110 [2022-10-16 15:19:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:08,181 INFO L495 AbstractCegarLoop]: Abstraction has 113852 states and 166535 transitions. [2022-10-16 15:19:08,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 113852 states and 166535 transitions. [2022-10-16 15:19:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:19:08,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:08,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:08,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:19:08,187 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:19:08,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1896405035, now seen corresponding path program 1 times [2022-10-16 15:19:08,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:08,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114333641] [2022-10-16 15:19:08,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:19:08,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:08,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114333641] [2022-10-16 15:19:08,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114333641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:08,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:08,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:19:08,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541671591] [2022-10-16 15:19:08,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:08,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:19:08,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:19:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:19:08,324 INFO L87 Difference]: Start difference. First operand 113852 states and 166535 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:13,830 INFO L93 Difference]: Finished difference Result 125408 states and 184679 transitions. [2022-10-16 15:19:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:19:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:19:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:14,022 INFO L225 Difference]: With dead ends: 125408 [2022-10-16 15:19:14,022 INFO L226 Difference]: Without dead ends: 125405 [2022-10-16 15:19:14,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:19:14,055 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 229 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:14,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 493 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:19:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125405 states. [2022-10-16 15:19:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125405 to 113852. [2022-10-16 15:19:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113852 states, 113831 states have (on average 1.452881903875043) internal successors, (165383), 113851 states have internal predecessors, (165383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113852 states to 113852 states and 165383 transitions. [2022-10-16 15:19:20,631 INFO L78 Accepts]: Start accepts. Automaton has 113852 states and 165383 transitions. Word has length 110 [2022-10-16 15:19:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:20,631 INFO L495 AbstractCegarLoop]: Abstraction has 113852 states and 165383 transitions. [2022-10-16 15:19:20,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 113852 states and 165383 transitions. [2022-10-16 15:19:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:19:20,636 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:20,637 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:20,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:19:20,637 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:19:20,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:20,638 INFO L85 PathProgramCache]: Analyzing trace with hash -240733667, now seen corresponding path program 1 times [2022-10-16 15:19:20,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:20,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696826313] [2022-10-16 15:19:20,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:20,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:19:20,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:20,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696826313] [2022-10-16 15:19:20,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696826313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:20,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:20,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:20,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494457037] [2022-10-16 15:19:20,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:20,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:20,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:20,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:20,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:20,794 INFO L87 Difference]: Start difference. First operand 113852 states and 165383 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:26,406 INFO L93 Difference]: Finished difference Result 113891 states and 165383 transitions. [2022-10-16 15:19:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:19:26,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:19:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:26,716 INFO L225 Difference]: With dead ends: 113891 [2022-10-16 15:19:26,716 INFO L226 Difference]: Without dead ends: 113888 [2022-10-16 15:19:26,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:26,740 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 768 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:26,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 563 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:26,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113888 states. [2022-10-16 15:19:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113888 to 108460. [2022-10-16 15:19:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108460 states, 108439 states have (on average 1.4574000129104843) internal successors, (158039), 108459 states have internal predecessors, (158039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108460 states to 108460 states and 158039 transitions. [2022-10-16 15:19:32,837 INFO L78 Accepts]: Start accepts. Automaton has 108460 states and 158039 transitions. Word has length 110 [2022-10-16 15:19:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 108460 states and 158039 transitions. [2022-10-16 15:19:32,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 108460 states and 158039 transitions. [2022-10-16 15:19:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:19:32,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:32,841 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:32,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:19:32,841 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:19:32,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:32,842 INFO L85 PathProgramCache]: Analyzing trace with hash 890906173, now seen corresponding path program 1 times [2022-10-16 15:19:32,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:32,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909103375] [2022-10-16 15:19:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:19:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909103375] [2022-10-16 15:19:32,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909103375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:32,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:32,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:32,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451403835] [2022-10-16 15:19:32,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:32,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:32,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:32,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:32,986 INFO L87 Difference]: Start difference. First operand 108460 states and 158039 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:38,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:38,961 INFO L93 Difference]: Finished difference Result 121974 states and 176455 transitions. [2022-10-16 15:19:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:38,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:19:38,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:39,163 INFO L225 Difference]: With dead ends: 121974 [2022-10-16 15:19:39,164 INFO L226 Difference]: Without dead ends: 121971 [2022-10-16 15:19:39,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:39,192 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 750 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:39,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 577 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:39,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121971 states. [2022-10-16 15:19:45,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121971 to 121932. [2022-10-16 15:19:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121932 states, 121911 states have (on average 1.444258516458728) internal successors, (176071), 121931 states have internal predecessors, (176071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121932 states to 121932 states and 176071 transitions. [2022-10-16 15:19:46,426 INFO L78 Accepts]: Start accepts. Automaton has 121932 states and 176071 transitions. Word has length 110 [2022-10-16 15:19:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:46,427 INFO L495 AbstractCegarLoop]: Abstraction has 121932 states and 176071 transitions. [2022-10-16 15:19:46,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 121932 states and 176071 transitions. [2022-10-16 15:19:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:19:46,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:46,430 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:46,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:19:46,430 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:19:46,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:46,431 INFO L85 PathProgramCache]: Analyzing trace with hash -344552867, now seen corresponding path program 1 times [2022-10-16 15:19:46,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:46,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238099936] [2022-10-16 15:19:46,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:19:46,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:46,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238099936] [2022-10-16 15:19:46,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238099936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:46,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:46,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:46,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389257152] [2022-10-16 15:19:46,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:46,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:46,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:46,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:46,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:46,589 INFO L87 Difference]: Start difference. First operand 121932 states and 176071 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:53,563 INFO L93 Difference]: Finished difference Result 130054 states and 187527 transitions. [2022-10-16 15:19:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:53,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:19:53,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:53,757 INFO L225 Difference]: With dead ends: 130054 [2022-10-16 15:19:53,757 INFO L226 Difference]: Without dead ends: 130051 [2022-10-16 15:19:53,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:53,787 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 755 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:53,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 597 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:53,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130051 states. [2022-10-16 15:20:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130051 to 130012. [2022-10-16 15:20:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130012 states, 129991 states have (on average 1.4396612073143524) internal successors, (187143), 130011 states have internal predecessors, (187143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130012 states to 130012 states and 187143 transitions. [2022-10-16 15:20:01,437 INFO L78 Accepts]: Start accepts. Automaton has 130012 states and 187143 transitions. Word has length 110 [2022-10-16 15:20:01,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:01,438 INFO L495 AbstractCegarLoop]: Abstraction has 130012 states and 187143 transitions. [2022-10-16 15:20:01,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130012 states and 187143 transitions. [2022-10-16 15:20:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:20:01,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:01,442 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:01,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:20:01,442 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:20:01,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:01,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1703101211, now seen corresponding path program 1 times [2022-10-16 15:20:01,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:01,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130628175] [2022-10-16 15:20:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:01,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:20:01,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:01,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130628175] [2022-10-16 15:20:01,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130628175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:01,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:01,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:01,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876974909] [2022-10-16 15:20:01,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:01,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:01,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:01,580 INFO L87 Difference]: Start difference. First operand 130012 states and 187143 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:08,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:08,159 INFO L93 Difference]: Finished difference Result 138134 states and 198983 transitions. [2022-10-16 15:20:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:08,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:20:08,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:08,510 INFO L225 Difference]: With dead ends: 138134 [2022-10-16 15:20:08,510 INFO L226 Difference]: Without dead ends: 138131 [2022-10-16 15:20:08,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:08,539 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 289 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:08,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 532 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:08,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138131 states. [2022-10-16 15:20:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138131 to 130012. [2022-10-16 15:20:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130012 states, 129991 states have (on average 1.4337531059842605) internal successors, (186375), 130011 states have internal predecessors, (186375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130012 states to 130012 states and 186375 transitions. [2022-10-16 15:20:15,959 INFO L78 Accepts]: Start accepts. Automaton has 130012 states and 186375 transitions. Word has length 110 [2022-10-16 15:20:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:15,959 INFO L495 AbstractCegarLoop]: Abstraction has 130012 states and 186375 transitions. [2022-10-16 15:20:15,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 130012 states and 186375 transitions. [2022-10-16 15:20:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:20:15,963 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:15,963 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:15,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:20:15,963 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:20:15,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2018258181, now seen corresponding path program 1 times [2022-10-16 15:20:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:15,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174048714] [2022-10-16 15:20:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:20:16,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:16,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174048714] [2022-10-16 15:20:16,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174048714] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:16,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:16,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822097476] [2022-10-16 15:20:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:16,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:16,091 INFO L87 Difference]: Start difference. First operand 130012 states and 186375 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:23,364 INFO L93 Difference]: Finished difference Result 153094 states and 222087 transitions. [2022-10-16 15:20:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:23,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:20:23,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:23,603 INFO L225 Difference]: With dead ends: 153094 [2022-10-16 15:20:23,604 INFO L226 Difference]: Without dead ends: 153091 [2022-10-16 15:20:23,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:23,640 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 458 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:23,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 375 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153091 states. [2022-10-16 15:20:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153091 to 153052. [2022-10-16 15:20:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153052 states, 153031 states have (on average 1.441845116348975) internal successors, (220647), 153051 states have internal predecessors, (220647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153052 states to 153052 states and 220647 transitions. [2022-10-16 15:20:32,720 INFO L78 Accepts]: Start accepts. Automaton has 153052 states and 220647 transitions. Word has length 111 [2022-10-16 15:20:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:32,720 INFO L495 AbstractCegarLoop]: Abstraction has 153052 states and 220647 transitions. [2022-10-16 15:20:32,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 153052 states and 220647 transitions. [2022-10-16 15:20:32,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:20:32,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:32,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:32,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:20:32,726 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:20:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1848288005, now seen corresponding path program 1 times [2022-10-16 15:20:32,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:32,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589070114] [2022-10-16 15:20:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:20:32,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:32,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589070114] [2022-10-16 15:20:32,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589070114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:32,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:32,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:32,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725174087] [2022-10-16 15:20:32,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:32,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:32,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:32,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:32,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:32,924 INFO L87 Difference]: Start difference. First operand 153052 states and 220647 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:43,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:43,130 INFO L93 Difference]: Finished difference Result 208463 states and 300455 transitions. [2022-10-16 15:20:43,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:20:43,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:20:43,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:43,660 INFO L225 Difference]: With dead ends: 208463 [2022-10-16 15:20:43,660 INFO L226 Difference]: Without dead ends: 208460 [2022-10-16 15:20:43,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:20:43,732 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 798 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:43,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 470 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:43,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208460 states. [2022-10-16 15:20:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208460 to 194572. [2022-10-16 15:20:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194572 states, 194551 states have (on average 1.4378492014947237) internal successors, (279735), 194571 states have internal predecessors, (279735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194572 states to 194572 states and 279735 transitions. [2022-10-16 15:20:55,462 INFO L78 Accepts]: Start accepts. Automaton has 194572 states and 279735 transitions. Word has length 111 [2022-10-16 15:20:55,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:55,463 INFO L495 AbstractCegarLoop]: Abstraction has 194572 states and 279735 transitions. [2022-10-16 15:20:55,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 194572 states and 279735 transitions. [2022-10-16 15:20:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:20:55,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:55,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:55,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:20:55,467 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 15:20:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2091203867, now seen corresponding path program 1 times [2022-10-16 15:20:55,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:55,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375008331] [2022-10-16 15:20:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:20:55,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:55,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375008331] [2022-10-16 15:20:55,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375008331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:55,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:55,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115849874] [2022-10-16 15:20:55,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:55,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:55,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:55,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:55,617 INFO L87 Difference]: Start difference. First operand 194572 states and 279735 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:08,655 INFO L93 Difference]: Finished difference Result 261509 states and 378455 transitions. [2022-10-16 15:21:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:21:08,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:21:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:09,135 INFO L225 Difference]: With dead ends: 261509 [2022-10-16 15:21:09,135 INFO L226 Difference]: Without dead ends: 261506 [2022-10-16 15:21:09,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:21:09,196 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 780 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:09,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 476 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:21:09,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261506 states.