/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:29:14,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:29:14,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:29:14,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:29:15,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:29:15,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:29:15,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:29:15,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:29:15,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:29:15,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:29:15,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:29:15,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:29:15,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:29:15,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:29:15,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:29:15,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:29:15,067 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:29:15,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:29:15,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:29:15,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:29:15,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:29:15,070 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:29:15,070 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:29:15,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:29:15,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:29:15,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:29:15,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:29:15,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:29:15,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:29:15,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:29:15,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:29:15,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:29:15,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:29:15,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:29:15,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:29:15,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:29:15,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:29:15,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:29:15,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:29:15,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:29:15,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:29:15,558 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:29:15,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2022-10-16 14:29:15,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812cddb87/7e940b799fe04ce8ad0a1f54cd8988d4/FLAG5c801dd81 [2022-10-16 14:29:16,216 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:29:16,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2022-10-16 14:29:16,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812cddb87/7e940b799fe04ce8ad0a1f54cd8988d4/FLAG5c801dd81 [2022-10-16 14:29:16,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812cddb87/7e940b799fe04ce8ad0a1f54cd8988d4 [2022-10-16 14:29:16,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:29:16,562 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:29:16,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:29:16,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:29:16,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:29:16,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33875f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16, skipping insertion in model container [2022-10-16 14:29:16,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:29:16,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:29:16,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2022-10-16 14:29:16,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:29:16,846 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:29:16,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2022-10-16 14:29:16,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:29:16,881 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:29:16,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16 WrapperNode [2022-10-16 14:29:16,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:29:16,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:29:16,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:29:16,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:29:16,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,922 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-10-16 14:29:16,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:29:16,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:29:16,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:29:16,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:29:16,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:29:16,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:29:16,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:29:16,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:29:16,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (1/1) ... [2022-10-16 14:29:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:29:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:16,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:29:17,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:29:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:29:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:29:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:29:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:29:17,164 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:29:17,166 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:29:17,383 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:29:17,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:29:17,390 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 14:29:17,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:29:17 BoogieIcfgContainer [2022-10-16 14:29:17,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:29:17,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:29:17,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:29:17,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:29:17,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:29:16" (1/3) ... [2022-10-16 14:29:17,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326ed0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:29:17, skipping insertion in model container [2022-10-16 14:29:17,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:16" (2/3) ... [2022-10-16 14:29:17,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326ed0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:29:17, skipping insertion in model container [2022-10-16 14:29:17,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:29:17" (3/3) ... [2022-10-16 14:29:17,404 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.i [2022-10-16 14:29:17,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:29:17,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 14:29:17,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:29:17,509 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;@82d6203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:29:17,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 14:29:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:29:17,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:17,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:29:17,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:17,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:17,530 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2022-10-16 14:29:17,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:17,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566073591] [2022-10-16 14:29:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:17,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:17,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566073591] [2022-10-16 14:29:17,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566073591] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:17,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:29:17,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:29:17,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071005858] [2022-10-16 14:29:17,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:17,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:29:17,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:17,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:29:17,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:17,777 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:17,820 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-10-16 14:29:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:29:17,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 14:29:17,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:17,836 INFO L225 Difference]: With dead ends: 37 [2022-10-16 14:29:17,836 INFO L226 Difference]: Without dead ends: 18 [2022-10-16 14:29:17,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:17,845 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:17,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 23 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-10-16 14:29:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-10-16 14:29:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-10-16 14:29:17,886 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 4 [2022-10-16 14:29:17,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:17,887 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-10-16 14:29:17,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-10-16 14:29:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:29:17,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:17,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:29:17,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:29:17,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-10-16 14:29:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:17,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605331949] [2022-10-16 14:29:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:17,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:17,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605331949] [2022-10-16 14:29:17,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605331949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:17,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:29:17,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:29:17,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953145325] [2022-10-16 14:29:17,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:17,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:29:17,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:17,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:29:17,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:17,977 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:18,004 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-10-16 14:29:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:29:18,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-16 14:29:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:18,007 INFO L225 Difference]: With dead ends: 19 [2022-10-16 14:29:18,007 INFO L226 Difference]: Without dead ends: 17 [2022-10-16 14:29:18,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:18,010 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:18,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-10-16 14:29:18,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-10-16 14:29:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-10-16 14:29:18,017 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 5 [2022-10-16 14:29:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:18,017 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-10-16 14:29:18,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-10-16 14:29:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 14:29:18,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:18,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:18,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:29:18,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:18,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812615, now seen corresponding path program 1 times [2022-10-16 14:29:18,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:18,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952467115] [2022-10-16 14:29:18,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:18,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:18,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952467115] [2022-10-16 14:29:18,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952467115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:18,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:29:18,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:29:18,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469247736] [2022-10-16 14:29:18,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:18,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:29:18,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:18,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:29:18,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:18,083 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:18,097 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-10-16 14:29:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:29:18,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 14:29:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:18,099 INFO L225 Difference]: With dead ends: 21 [2022-10-16 14:29:18,100 INFO L226 Difference]: Without dead ends: 19 [2022-10-16 14:29:18,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:29:18,102 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:18,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-10-16 14:29:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-10-16 14:29:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-10-16 14:29:18,125 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 7 [2022-10-16 14:29:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:18,125 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-10-16 14:29:18,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-10-16 14:29:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:29:18,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:18,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:18,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:29:18,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1180137161, now seen corresponding path program 1 times [2022-10-16 14:29:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199499203] [2022-10-16 14:29:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:18,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199499203] [2022-10-16 14:29:18,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199499203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:18,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:29:18,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:29:18,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981194840] [2022-10-16 14:29:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:18,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:29:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:29:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:29:18,297 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:18,340 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-10-16 14:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:29:18,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:29:18,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:18,341 INFO L225 Difference]: With dead ends: 19 [2022-10-16 14:29:18,341 INFO L226 Difference]: Without dead ends: 18 [2022-10-16 14:29:18,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:29:18,344 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:18,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-10-16 14:29:18,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-10-16 14:29:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-10-16 14:29:18,350 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2022-10-16 14:29:18,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:18,350 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-10-16 14:29:18,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-10-16 14:29:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:29:18,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:18,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:18,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:29:18,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:18,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2070453615, now seen corresponding path program 1 times [2022-10-16 14:29:18,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:18,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100602554] [2022-10-16 14:29:18,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:18,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:18,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100602554] [2022-10-16 14:29:18,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100602554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:18,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:29:18,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:29:18,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917768181] [2022-10-16 14:29:18,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:18,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:29:18,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:18,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:29:18,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:29:18,472 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:18,529 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-10-16 14:29:18,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:29:18,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 14:29:18,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:18,531 INFO L225 Difference]: With dead ends: 21 [2022-10-16 14:29:18,531 INFO L226 Difference]: Without dead ends: 20 [2022-10-16 14:29:18,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:29:18,533 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:18,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 16 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-10-16 14:29:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-10-16 14:29:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-10-16 14:29:18,544 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 10 [2022-10-16 14:29:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:18,545 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-10-16 14:29:18,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-10-16 14:29:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:29:18,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:18,549 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:18,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:29:18,549 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:18,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash -835852459, now seen corresponding path program 1 times [2022-10-16 14:29:18,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:18,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059525892] [2022-10-16 14:29:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:18,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:18,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059525892] [2022-10-16 14:29:18,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059525892] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:18,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908191787] [2022-10-16 14:29:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:18,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:18,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:18,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:29:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:18,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:29:18,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:18,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908191787] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:18,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:18,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 14:29:18,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806943836] [2022-10-16 14:29:18,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:18,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:29:18,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:18,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:29:18,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:29:18,824 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:18,854 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-10-16 14:29:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:29:18,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 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 14 [2022-10-16 14:29:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:18,856 INFO L225 Difference]: With dead ends: 41 [2022-10-16 14:29:18,856 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 14:29:18,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:29:18,858 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:18,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 38 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 14:29:18,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2022-10-16 14:29:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 35 states have (on average 1.2) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-10-16 14:29:18,866 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 14 [2022-10-16 14:29:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:18,867 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-16 14:29:18,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-10-16 14:29:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:29:18,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:18,868 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:18,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 14:29:19,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 14:29:19,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:19,087 INFO L85 PathProgramCache]: Analyzing trace with hash -141622399, now seen corresponding path program 1 times [2022-10-16 14:29:19,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:19,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214116848] [2022-10-16 14:29:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:19,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:19,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:19,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214116848] [2022-10-16 14:29:19,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214116848] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:19,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537663799] [2022-10-16 14:29:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:19,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:19,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:29:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:19,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:29:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:19,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:29:19,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537663799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:29:19,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:29:19,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 14:29:19,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433278245] [2022-10-16 14:29:19,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:29:19,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:29:19,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:19,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:29:19,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:29:19,246 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:19,268 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-10-16 14:29:19,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:29:19,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-10-16 14:29:19,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:19,270 INFO L225 Difference]: With dead ends: 38 [2022-10-16 14:29:19,270 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 14:29:19,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:29:19,273 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:19,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 14:29:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-16 14:29:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-10-16 14:29:19,289 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 15 [2022-10-16 14:29:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:19,289 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-10-16 14:29:19,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-10-16 14:29:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 14:29:19,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:19,290 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:19,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:19,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-10-16 14:29:19,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1339829827, now seen corresponding path program 1 times [2022-10-16 14:29:19,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:19,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721738] [2022-10-16 14:29:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:19,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721738] [2022-10-16 14:29:19,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721738] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:19,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875822024] [2022-10-16 14:29:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:19,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:19,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:19,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:19,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:29:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:29:19,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:19,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:19,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875822024] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:19,783 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:19,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-16 14:29:19,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990727927] [2022-10-16 14:29:19,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:19,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:29:19,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:19,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:29:19,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:29:19,785 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:19,894 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-10-16 14:29:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:29:19,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 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 17 [2022-10-16 14:29:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:19,896 INFO L225 Difference]: With dead ends: 41 [2022-10-16 14:29:19,896 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 14:29:19,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:29:19,898 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 54 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:19,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 22 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 14:29:19,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-10-16 14:29:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2022-10-16 14:29:19,906 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 17 [2022-10-16 14:29:19,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:19,906 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2022-10-16 14:29:19,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-10-16 14:29:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 14:29:19,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:19,908 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:19,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:20,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:20,123 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:20,125 INFO L85 PathProgramCache]: Analyzing trace with hash 637853255, now seen corresponding path program 2 times [2022-10-16 14:29:20,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:20,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805228941] [2022-10-16 14:29:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:20,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:20,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:20,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805228941] [2022-10-16 14:29:20,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805228941] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:20,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977223804] [2022-10-16 14:29:20,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:29:20,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:20,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:20,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:20,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:29:20,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:29:20,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:20,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:29:20,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:20,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:20,482 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:20,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977223804] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:20,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:20,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-10-16 14:29:20,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276692355] [2022-10-16 14:29:20,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:20,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:29:20,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:20,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:29:20,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:29:20,486 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:20,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:20,533 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2022-10-16 14:29:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:29:20,533 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-10-16 14:29:20,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:20,535 INFO L225 Difference]: With dead ends: 85 [2022-10-16 14:29:20,535 INFO L226 Difference]: Without dead ends: 84 [2022-10-16 14:29:20,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:29:20,536 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 59 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:20,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 71 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:29:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-16 14:29:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2022-10-16 14:29:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2022-10-16 14:29:20,550 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 35 [2022-10-16 14:29:20,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:20,551 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2022-10-16 14:29:20,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-10-16 14:29:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:29:20,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:20,553 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:20,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:20,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:20,768 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1351055889, now seen corresponding path program 2 times [2022-10-16 14:29:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:20,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832699177] [2022-10-16 14:29:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:20,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:20,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832699177] [2022-10-16 14:29:20,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832699177] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:20,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516837130] [2022-10-16 14:29:20,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:29:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:20,894 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:20,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:29:20,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:29:20,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:20,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:29:20,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:21,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:21,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516837130] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:21,327 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:21,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 10] total 23 [2022-10-16 14:29:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171627989] [2022-10-16 14:29:21,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:21,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:29:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:29:21,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=369, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:29:21,333 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 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 14:29:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:21,511 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-10-16 14:29:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:29:21,512 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 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 38 [2022-10-16 14:29:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:21,513 INFO L225 Difference]: With dead ends: 79 [2022-10-16 14:29:21,513 INFO L226 Difference]: Without dead ends: 78 [2022-10-16 14:29:21,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=389, Invalid=667, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 14:29:21,515 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:21,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 36 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:29:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-10-16 14:29:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-10-16 14:29:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0129870129870129) internal successors, (78), 77 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2022-10-16 14:29:21,526 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 38 [2022-10-16 14:29:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:21,527 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2022-10-16 14:29:21,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 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 14:29:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2022-10-16 14:29:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 14:29:21,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:21,529 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:21,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:21,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 14:29:21,739 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1605616889, now seen corresponding path program 3 times [2022-10-16 14:29:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:21,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126089247] [2022-10-16 14:29:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:22,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:22,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126089247] [2022-10-16 14:29:22,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126089247] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:22,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895414003] [2022-10-16 14:29:22,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:29:22,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:22,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:22,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:22,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:29:22,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-10-16 14:29:22,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:22,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:29:22,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:22,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:22,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895414003] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:22,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:22,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-10-16 14:29:22,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699443829] [2022-10-16 14:29:22,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:22,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 14:29:22,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:22,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 14:29:22,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:29:22,512 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 25 states, 24 states have (on average 6.666666666666667) internal successors, (160), 25 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:22,600 INFO L93 Difference]: Finished difference Result 163 states and 174 transitions. [2022-10-16 14:29:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 14:29:22,601 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.666666666666667) internal successors, (160), 25 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 14:29:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:22,602 INFO L225 Difference]: With dead ends: 163 [2022-10-16 14:29:22,602 INFO L226 Difference]: Without dead ends: 162 [2022-10-16 14:29:22,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:29:22,604 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 86 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:22,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 129 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:29:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-10-16 14:29:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2022-10-16 14:29:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.0062111801242235) internal successors, (162), 161 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2022-10-16 14:29:22,624 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 77 [2022-10-16 14:29:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:22,625 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2022-10-16 14:29:22,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.666666666666667) internal successors, (160), 25 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2022-10-16 14:29:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 14:29:22,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:22,628 INFO L195 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:22,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:22,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:22,842 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:22,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:22,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2010700665, now seen corresponding path program 4 times [2022-10-16 14:29:22,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:22,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456002186] [2022-10-16 14:29:22,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:23,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:23,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456002186] [2022-10-16 14:29:23,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456002186] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:23,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458324218] [2022-10-16 14:29:23,778 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:29:23,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:23,780 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:23,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:29:23,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:29:23,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:23,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 14:29:23,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:24,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:25,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:25,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458324218] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:25,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:25,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2022-10-16 14:29:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42400544] [2022-10-16 14:29:25,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-16 14:29:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:25,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-16 14:29:25,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 14:29:25,018 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand has 49 states, 48 states have (on average 6.833333333333333) internal successors, (328), 49 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:25,223 INFO L93 Difference]: Finished difference Result 331 states and 354 transitions. [2022-10-16 14:29:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:29:25,224 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 6.833333333333333) internal successors, (328), 49 states have internal predecessors, (328), 0 states have call successors, (0), 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 161 [2022-10-16 14:29:25,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:25,227 INFO L225 Difference]: With dead ends: 331 [2022-10-16 14:29:25,227 INFO L226 Difference]: Without dead ends: 330 [2022-10-16 14:29:25,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 14:29:25,229 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 179 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:25,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 249 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:29:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-10-16 14:29:25,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2022-10-16 14:29:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.0030395136778116) internal successors, (330), 329 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 330 transitions. [2022-10-16 14:29:25,277 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 330 transitions. Word has length 161 [2022-10-16 14:29:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:25,278 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 330 transitions. [2022-10-16 14:29:25,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 6.833333333333333) internal successors, (328), 49 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 330 transitions. [2022-10-16 14:29:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-10-16 14:29:25,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:25,285 INFO L195 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:25,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:25,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:25,499 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:25,501 INFO L85 PathProgramCache]: Analyzing trace with hash -237127801, now seen corresponding path program 5 times [2022-10-16 14:29:25,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:25,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569634297] [2022-10-16 14:29:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:25,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7337 backedges. 0 proven. 7337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:28,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:28,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569634297] [2022-10-16 14:29:28,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569634297] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:28,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870868782] [2022-10-16 14:29:28,918 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 14:29:28,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:28,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:28,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:28,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:29:29,132 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-10-16 14:29:29,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:29,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-16 14:29:29,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7337 backedges. 0 proven. 7337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:29,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7337 backedges. 0 proven. 7337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:32,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870868782] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:32,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:32,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 96 [2022-10-16 14:29:32,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594844506] [2022-10-16 14:29:32,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:32,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-10-16 14:29:32,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:32,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-10-16 14:29:32,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-10-16 14:29:32,777 INFO L87 Difference]: Start difference. First operand 330 states and 330 transitions. Second operand has 97 states, 96 states have (on average 6.916666666666667) internal successors, (664), 97 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:29:33,408 INFO L93 Difference]: Finished difference Result 667 states and 714 transitions. [2022-10-16 14:29:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-16 14:29:33,409 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 96 states have (on average 6.916666666666667) internal successors, (664), 97 states have internal predecessors, (664), 0 states have call successors, (0), 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 329 [2022-10-16 14:29:33,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:29:33,414 INFO L225 Difference]: With dead ends: 667 [2022-10-16 14:29:33,414 INFO L226 Difference]: Without dead ends: 666 [2022-10-16 14:29:33,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-10-16 14:29:33,420 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 338 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:29:33,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 490 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:29:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-10-16 14:29:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2022-10-16 14:29:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 665 states have (on average 1.0015037593984963) internal successors, (666), 665 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 666 transitions. [2022-10-16 14:29:33,469 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 666 transitions. Word has length 329 [2022-10-16 14:29:33,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:29:33,471 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 666 transitions. [2022-10-16 14:29:33,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 6.916666666666667) internal successors, (664), 97 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:29:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 666 transitions. [2022-10-16 14:29:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2022-10-16 14:29:33,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:29:33,489 INFO L195 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1] [2022-10-16 14:29:33,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:29:33,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 14:29:33,705 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:29:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:29:33,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1681007225, now seen corresponding path program 6 times [2022-10-16 14:29:33,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:29:33,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272065590] [2022-10-16 14:29:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:29:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:29:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:29:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30785 backedges. 0 proven. 30785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:45,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:29:45,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272065590] [2022-10-16 14:29:45,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272065590] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:29:45,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526915332] [2022-10-16 14:29:45,036 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 14:29:45,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:29:45,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:29:45,037 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:29:45,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:29:45,512 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-10-16 14:29:45,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:29:45,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 96 conjunts are in the unsatisfiable core [2022-10-16 14:29:45,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:29:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30785 backedges. 0 proven. 30785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:46,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:29:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30785 backedges. 0 proven. 30785 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:29:59,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526915332] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:29:59,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:29:59,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 192 [2022-10-16 14:29:59,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510334707] [2022-10-16 14:29:59,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:29:59,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2022-10-16 14:29:59,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:29:59,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2022-10-16 14:29:59,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2022-10-16 14:29:59,205 INFO L87 Difference]: Start difference. First operand 666 states and 666 transitions. Second operand has 193 states, 192 states have (on average 6.958333333333333) internal successors, (1336), 193 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:30:01,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:30:01,748 INFO L93 Difference]: Finished difference Result 1339 states and 1434 transitions. [2022-10-16 14:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-10-16 14:30:01,749 INFO L78 Accepts]: Start accepts. Automaton has has 193 states, 192 states have (on average 6.958333333333333) internal successors, (1336), 193 states have internal predecessors, (1336), 0 states have call successors, (0), 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 665 [2022-10-16 14:30:01,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:30:01,756 INFO L225 Difference]: With dead ends: 1339 [2022-10-16 14:30:01,756 INFO L226 Difference]: Without dead ends: 1338 [2022-10-16 14:30:01,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1424 GetRequests, 1233 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2022-10-16 14:30:01,792 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 680 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:30:01,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 968 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:30:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2022-10-16 14:30:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2022-10-16 14:30:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1337 states have (on average 1.0007479431563202) internal successors, (1338), 1337 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:30:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1338 transitions. [2022-10-16 14:30:01,853 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1338 transitions. Word has length 665 [2022-10-16 14:30:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:30:01,855 INFO L495 AbstractCegarLoop]: Abstraction has 1338 states and 1338 transitions. [2022-10-16 14:30:01,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 192 states have (on average 6.958333333333333) internal successors, (1336), 193 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:30:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1338 transitions. [2022-10-16 14:30:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2022-10-16 14:30:01,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:30:01,921 INFO L195 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 190, 190, 1, 1, 1, 1, 1, 1] [2022-10-16 14:30:01,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:30:02,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 14:30:02,135 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:30:02,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:30:02,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1035610503, now seen corresponding path program 7 times [2022-10-16 14:30:02,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:30:02,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577291104] [2022-10-16 14:30:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:30:02,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:30:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:30:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 126065 backedges. 0 proven. 126065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:30:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:30:47,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577291104] [2022-10-16 14:30:47,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577291104] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:30:47,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349430831] [2022-10-16 14:30:47,785 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-10-16 14:30:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:30:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:30:47,792 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:30:47,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:30:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:30:48,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 2503 conjuncts, 192 conjunts are in the unsatisfiable core [2022-10-16 14:30:48,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:30:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 126065 backedges. 0 proven. 126065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:30:50,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:31:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 126065 backedges. 0 proven. 126065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:31:39,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349430831] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:31:39,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:31:39,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 384 [2022-10-16 14:31:39,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199497303] [2022-10-16 14:31:39,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:31:39,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-10-16 14:31:39,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:31:39,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-10-16 14:31:39,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73920, Invalid=73920, Unknown=0, NotChecked=0, Total=147840 [2022-10-16 14:31:39,136 INFO L87 Difference]: Start difference. First operand 1338 states and 1338 transitions. Second operand has 385 states, 384 states have (on average 6.979166666666667) internal successors, (2680), 385 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:31:48,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:31:48,431 INFO L93 Difference]: Finished difference Result 2683 states and 2874 transitions. [2022-10-16 14:31:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-10-16 14:31:48,433 INFO L78 Accepts]: Start accepts. Automaton has has 385 states, 384 states have (on average 6.979166666666667) internal successors, (2680), 385 states have internal predecessors, (2680), 0 states have call successors, (0), 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 1337 [2022-10-16 14:31:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:31:48,453 INFO L225 Difference]: With dead ends: 2683 [2022-10-16 14:31:48,453 INFO L226 Difference]: Without dead ends: 2682 [2022-10-16 14:31:48,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2864 GetRequests, 2481 SyntacticMatches, 0 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 62.6s TimeCoverageRelationStatistics Valid=73920, Invalid=73920, Unknown=0, NotChecked=0, Total=147840 [2022-10-16 14:31:48,464 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1155 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:31:48,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 1934 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:31:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-10-16 14:31:48,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2022-10-16 14:31:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 2681 states have (on average 1.000372995151063) internal successors, (2682), 2681 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:31:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 2682 transitions. [2022-10-16 14:31:48,585 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 2682 transitions. Word has length 1337 [2022-10-16 14:31:48,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:31:48,588 INFO L495 AbstractCegarLoop]: Abstraction has 2682 states and 2682 transitions. [2022-10-16 14:31:48,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 385 states, 384 states have (on average 6.979166666666667) internal successors, (2680), 385 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:31:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 2682 transitions. [2022-10-16 14:31:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2682 [2022-10-16 14:31:48,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:31:48,640 INFO L195 NwaCegarLoop]: trace histogram [383, 382, 382, 382, 382, 382, 382, 1, 1, 1, 1, 1, 1] [2022-10-16 14:31:48,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 14:31:48,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:31:48,856 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 14:31:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:31:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1505935751, now seen corresponding path program 8 times [2022-10-16 14:31:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:31:48,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59523189] [2022-10-16 14:31:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:31:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:31:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat