/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:13:20,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:13:20,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:13:20,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:13:20,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:13:20,775 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:13:20,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:13:20,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:13:20,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:13:20,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:13:20,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:13:20,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:13:20,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:13:20,776 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:13:20,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:13:20,776 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:13:20,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:13:20,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:13:20,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:20,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:13:20,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:13:20,779 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:13:20,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:13:20,779 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:13:20,779 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:13:20,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:13:20,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:13:20,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:13:20,970 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:13:20,972 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:13:20,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2023-04-01 22:13:22,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:13:22,348 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:13:22,348 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2023-04-01 22:13:22,375 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8059a6c4b/ed8b027396f84737859f15346bf885e4/FLAG48209f426 [2023-04-01 22:13:22,384 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8059a6c4b/ed8b027396f84737859f15346bf885e4 [2023-04-01 22:13:22,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:13:22,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:13:22,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:22,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:13:22,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:13:22,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc26441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22, skipping insertion in model container [2023-04-01 22:13:22,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:13:22,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:13:22,562 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2023-04-01 22:13:22,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:22,665 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:13:22,692 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2023-04-01 22:13:22,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:13:22,777 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:13:22,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22 WrapperNode [2023-04-01 22:13:22,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:13:22,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:13:22,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:13:22,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:13:22,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:13:22,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:13:22,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:13:22,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:13:22,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (1/1) ... [2023-04-01 22:13:22,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:13:22,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:22,858 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) [2023-04-01 22:13:22,866 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 [2023-04-01 22:13:22,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:13:22,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:13:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:13:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:13:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:13:22,985 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:13:22,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:13:23,619 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:13:23,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:13:23,625 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:13:23,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:23 BoogieIcfgContainer [2023-04-01 22:13:23,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:13:23,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:13:23,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:13:23,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:13:23,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:13:22" (1/3) ... [2023-04-01 22:13:23,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180f78d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:23, skipping insertion in model container [2023-04-01 22:13:23,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:13:22" (2/3) ... [2023-04-01 22:13:23,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180f78d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:13:23, skipping insertion in model container [2023-04-01 22:13:23,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:13:23" (3/3) ... [2023-04-01 22:13:23,632 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2023-04-01 22:13:23,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:13:23,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:13:23,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:13:23,681 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=PETRI_NET, 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;@2412f297, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:13:23,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:13:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:13:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-01 22:13:23,691 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:23,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:23,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:23,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:23,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1249357417, now seen corresponding path program 1 times [2023-04-01 22:13:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:23,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140271755] [2023-04-01 22:13:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:24,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:24,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140271755] [2023-04-01 22:13:24,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140271755] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:24,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:24,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:13:24,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475466016] [2023-04-01 22:13:24,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:24,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:13:24,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:24,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:13:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:13:24,098 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:24,969 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2023-04-01 22:13:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:13:24,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2023-04-01 22:13:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:24,982 INFO L225 Difference]: With dead ends: 596 [2023-04-01 22:13:24,982 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 22:13:24,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:13:24,988 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 506 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:24,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 21 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:13:25,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 22:13:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2023-04-01 22:13:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 288 states have (on average 1.4548611111111112) internal successors, (419), 290 states have internal predecessors, (419), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:13:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2023-04-01 22:13:25,032 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 64 [2023-04-01 22:13:25,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:25,032 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2023-04-01 22:13:25,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:13:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2023-04-01 22:13:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-01 22:13:25,035 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:25,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:25,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:13:25,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:25,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:25,037 INFO L85 PathProgramCache]: Analyzing trace with hash -468585660, now seen corresponding path program 1 times [2023-04-01 22:13:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534299669] [2023-04-01 22:13:25,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:25,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:25,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:25,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534299669] [2023-04-01 22:13:25,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534299669] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:25,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:25,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:13:25,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042738503] [2023-04-01 22:13:25,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:25,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:13:25,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:25,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:13:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:25,336 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:26,009 INFO L93 Difference]: Finished difference Result 908 states and 1351 transitions. [2023-04-01 22:13:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 22:13:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 138 [2023-04-01 22:13:26,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:26,012 INFO L225 Difference]: With dead ends: 908 [2023-04-01 22:13:26,012 INFO L226 Difference]: Without dead ends: 616 [2023-04-01 22:13:26,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:26,014 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 751 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:26,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 51 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:13:26,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-04-01 22:13:26,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 596. [2023-04-01 22:13:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 576 states have (on average 1.296875) internal successors, (747), 584 states have internal predecessors, (747), 6 states have call successors, (6), 6 states have call predecessors, (6), 13 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-01 22:13:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 782 transitions. [2023-04-01 22:13:26,047 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 782 transitions. Word has length 138 [2023-04-01 22:13:26,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:26,047 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 782 transitions. [2023-04-01 22:13:26,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 782 transitions. [2023-04-01 22:13:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 22:13:26,059 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:26,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:26,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:13:26,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:26,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:26,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1134623337, now seen corresponding path program 1 times [2023-04-01 22:13:26,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:26,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970528735] [2023-04-01 22:13:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:26,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:26,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970528735] [2023-04-01 22:13:26,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970528735] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:26,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850633103] [2023-04-01 22:13:26,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:26,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:26,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:26,561 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) [2023-04-01 22:13:26,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:13:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:26,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:26,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:26,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:26,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850633103] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:26,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:26,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 22:13:26,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876654249] [2023-04-01 22:13:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:26,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:26,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:26,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:13:26,799 INFO L87 Difference]: Start difference. First operand 596 states and 782 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:27,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:27,159 INFO L93 Difference]: Finished difference Result 1480 states and 2020 transitions. [2023-04-01 22:13:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:27,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 143 [2023-04-01 22:13:27,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:27,164 INFO L225 Difference]: With dead ends: 1480 [2023-04-01 22:13:27,164 INFO L226 Difference]: Without dead ends: 890 [2023-04-01 22:13:27,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:13:27,166 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 100 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:27,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 67 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-04-01 22:13:27,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 890. [2023-04-01 22:13:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 862 states have (on average 1.28538283062645) internal successors, (1108), 874 states have internal predecessors, (1108), 8 states have call successors, (8), 8 states have call predecessors, (8), 19 states have return successors, (61), 7 states have call predecessors, (61), 7 states have call successors, (61) [2023-04-01 22:13:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1177 transitions. [2023-04-01 22:13:27,219 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1177 transitions. Word has length 143 [2023-04-01 22:13:27,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:27,220 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1177 transitions. [2023-04-01 22:13:27,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:13:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1177 transitions. [2023-04-01 22:13:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 22:13:27,222 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:27,223 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:27,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:27,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:27,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:27,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:27,435 INFO L85 PathProgramCache]: Analyzing trace with hash -2131542711, now seen corresponding path program 1 times [2023-04-01 22:13:27,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:27,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39479392] [2023-04-01 22:13:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:27,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:27,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39479392] [2023-04-01 22:13:27,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39479392] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:27,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:27,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:13:27,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309860648] [2023-04-01 22:13:27,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:27,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:13:27,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:27,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:13:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:27,702 INFO L87 Difference]: Start difference. First operand 890 states and 1177 transitions. Second operand has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:28,476 INFO L93 Difference]: Finished difference Result 2404 states and 3305 transitions. [2023-04-01 22:13:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:13:28,477 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 159 [2023-04-01 22:13:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:28,482 INFO L225 Difference]: With dead ends: 2404 [2023-04-01 22:13:28,482 INFO L226 Difference]: Without dead ends: 1520 [2023-04-01 22:13:28,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:13:28,485 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 531 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:28,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 49 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:13:28,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2023-04-01 22:13:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1341. [2023-04-01 22:13:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1296 states have (on average 1.1936728395061729) internal successors, (1547), 1319 states have internal predecessors, (1547), 11 states have call successors, (11), 11 states have call predecessors, (11), 33 states have return successors, (115), 10 states have call predecessors, (115), 10 states have call successors, (115) [2023-04-01 22:13:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1673 transitions. [2023-04-01 22:13:28,563 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1673 transitions. Word has length 159 [2023-04-01 22:13:28,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:28,563 INFO L495 AbstractCegarLoop]: Abstraction has 1341 states and 1673 transitions. [2023-04-01 22:13:28,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1673 transitions. [2023-04-01 22:13:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-01 22:13:28,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:28,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:28,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:13:28,566 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:28,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1229672328, now seen corresponding path program 1 times [2023-04-01 22:13:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:28,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866977687] [2023-04-01 22:13:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:29,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:29,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866977687] [2023-04-01 22:13:29,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866977687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:29,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:13:29,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:13:29,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503335969] [2023-04-01 22:13:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:29,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:13:29,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:29,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:13:29,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:29,026 INFO L87 Difference]: Start difference. First operand 1341 states and 1673 transitions. Second operand has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:29,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:29,952 INFO L93 Difference]: Finished difference Result 2913 states and 3618 transitions. [2023-04-01 22:13:29,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:13:29,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 160 [2023-04-01 22:13:29,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:29,957 INFO L225 Difference]: With dead ends: 2913 [2023-04-01 22:13:29,957 INFO L226 Difference]: Without dead ends: 1578 [2023-04-01 22:13:29,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:13:29,961 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 893 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:29,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 64 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:13:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2023-04-01 22:13:29,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1496. [2023-04-01 22:13:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1443 states have (on average 1.1704781704781704) internal successors, (1689), 1472 states have internal predecessors, (1689), 12 states have call successors, (12), 12 states have call predecessors, (12), 40 states have return successors, (130), 11 states have call predecessors, (130), 11 states have call successors, (130) [2023-04-01 22:13:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1831 transitions. [2023-04-01 22:13:29,991 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1831 transitions. Word has length 160 [2023-04-01 22:13:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:29,992 INFO L495 AbstractCegarLoop]: Abstraction has 1496 states and 1831 transitions. [2023-04-01 22:13:29,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:13:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1831 transitions. [2023-04-01 22:13:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-04-01 22:13:29,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:29,995 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:29,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 22:13:29,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:29,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:29,996 INFO L85 PathProgramCache]: Analyzing trace with hash -62451429, now seen corresponding path program 1 times [2023-04-01 22:13:29,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:29,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973910268] [2023-04-01 22:13:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:29,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-04-01 22:13:30,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:30,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973910268] [2023-04-01 22:13:30,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973910268] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:30,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882364897] [2023-04-01 22:13:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:30,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:30,373 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) [2023-04-01 22:13:30,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:13:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:30,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:30,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 22:13:30,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:30,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882364897] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:30,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:30,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-04-01 22:13:30,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492334025] [2023-04-01 22:13:30,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:30,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:30,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:30,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:30,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:30,558 INFO L87 Difference]: Start difference. First operand 1496 states and 1831 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:30,904 INFO L93 Difference]: Finished difference Result 2227 states and 2760 transitions. [2023-04-01 22:13:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:30,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 230 [2023-04-01 22:13:30,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:30,913 INFO L225 Difference]: With dead ends: 2227 [2023-04-01 22:13:30,913 INFO L226 Difference]: Without dead ends: 2225 [2023-04-01 22:13:30,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:13:30,918 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 126 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:30,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 29 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2023-04-01 22:13:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1649. [2023-04-01 22:13:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1589 states have (on average 1.18628067967275) internal successors, (1885), 1623 states have internal predecessors, (1885), 13 states have call successors, (13), 13 states have call predecessors, (13), 46 states have return successors, (158), 12 states have call predecessors, (158), 12 states have call successors, (158) [2023-04-01 22:13:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2056 transitions. [2023-04-01 22:13:30,952 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2056 transitions. Word has length 230 [2023-04-01 22:13:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:30,953 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2056 transitions. [2023-04-01 22:13:30,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2056 transitions. [2023-04-01 22:13:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-01 22:13:30,955 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:30,955 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:30,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:31,161 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,SelfDestructingSolverStorable5 [2023-04-01 22:13:31,161 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:31,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1627301769, now seen corresponding path program 1 times [2023-04-01 22:13:31,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:31,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268006017] [2023-04-01 22:13:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:13:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:31,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268006017] [2023-04-01 22:13:31,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268006017] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:31,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289415841] [2023-04-01 22:13:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:31,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:31,426 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) [2023-04-01 22:13:31,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:13:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:31,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:31,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:31,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:31,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289415841] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:31,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:31,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:13:31,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91842887] [2023-04-01 22:13:31,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:31,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:13:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:31,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:13:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:13:31,919 INFO L87 Difference]: Start difference. First operand 1649 states and 2056 transitions. Second operand has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:13:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:33,035 INFO L93 Difference]: Finished difference Result 3763 states and 4818 transitions. [2023-04-01 22:13:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:13:33,035 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 232 [2023-04-01 22:13:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:33,041 INFO L225 Difference]: With dead ends: 3763 [2023-04-01 22:13:33,041 INFO L226 Difference]: Without dead ends: 2120 [2023-04-01 22:13:33,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-04-01 22:13:33,044 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 671 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:33,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 86 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:13:33,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2023-04-01 22:13:33,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1804. [2023-04-01 22:13:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1736 states have (on average 1.1762672811059909) internal successors, (2042), 1776 states have internal predecessors, (2042), 14 states have call successors, (14), 14 states have call predecessors, (14), 53 states have return successors, (173), 13 states have call predecessors, (173), 13 states have call successors, (173) [2023-04-01 22:13:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2229 transitions. [2023-04-01 22:13:33,075 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2229 transitions. Word has length 232 [2023-04-01 22:13:33,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:33,076 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2229 transitions. [2023-04-01 22:13:33,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:13:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2229 transitions. [2023-04-01 22:13:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-04-01 22:13:33,079 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:33,079 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:33,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:33,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:33,285 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:33,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash 698797453, now seen corresponding path program 1 times [2023-04-01 22:13:33,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:33,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467796584] [2023-04-01 22:13:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:33,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:13:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:13:33,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:33,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467796584] [2023-04-01 22:13:33,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467796584] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:33,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632006154] [2023-04-01 22:13:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:33,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:33,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:33,673 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) [2023-04-01 22:13:33,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:13:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:33,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:33,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:33,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:13:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:13:34,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632006154] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:13:34,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:13:34,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-04-01 22:13:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813414539] [2023-04-01 22:13:34,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:13:34,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:13:34,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:13:34,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:13:34,300 INFO L87 Difference]: Start difference. First operand 1804 states and 2229 transitions. Second operand has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:13:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:35,747 INFO L93 Difference]: Finished difference Result 4907 states and 6051 transitions. [2023-04-01 22:13:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 22:13:35,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 284 [2023-04-01 22:13:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:35,755 INFO L225 Difference]: With dead ends: 4907 [2023-04-01 22:13:35,755 INFO L226 Difference]: Without dead ends: 2227 [2023-04-01 22:13:35,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 574 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-04-01 22:13:35,759 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1340 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:35,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 58 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:13:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2023-04-01 22:13:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1784. [2023-04-01 22:13:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1726 states have (on average 1.123406720741599) internal successors, (1939), 1756 states have internal predecessors, (1939), 14 states have call successors, (14), 14 states have call predecessors, (14), 43 states have return successors, (123), 13 states have call predecessors, (123), 13 states have call successors, (123) [2023-04-01 22:13:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2076 transitions. [2023-04-01 22:13:35,796 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2076 transitions. Word has length 284 [2023-04-01 22:13:35,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:35,797 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2076 transitions. [2023-04-01 22:13:35,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:13:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2076 transitions. [2023-04-01 22:13:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-04-01 22:13:35,801 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:35,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:35,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-01 22:13:36,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:36,006 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:36,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:36,009 INFO L85 PathProgramCache]: Analyzing trace with hash 189024789, now seen corresponding path program 1 times [2023-04-01 22:13:36,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:36,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719487869] [2023-04-01 22:13:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:36,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-01 22:13:36,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:36,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719487869] [2023-04-01 22:13:36,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719487869] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:36,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176918844] [2023-04-01 22:13:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:36,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:36,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:36,402 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) [2023-04-01 22:13:36,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:13:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:36,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:36,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-01 22:13:36,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:36,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176918844] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:36,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:36,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:13:36,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56149743] [2023-04-01 22:13:36,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:36,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:36,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:36,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:36,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:36,575 INFO L87 Difference]: Start difference. First operand 1784 states and 2076 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:36,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:36,885 INFO L93 Difference]: Finished difference Result 1929 states and 2221 transitions. [2023-04-01 22:13:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:36,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 320 [2023-04-01 22:13:36,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:36,890 INFO L225 Difference]: With dead ends: 1929 [2023-04-01 22:13:36,890 INFO L226 Difference]: Without dead ends: 1778 [2023-04-01 22:13:36,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:36,891 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 129 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:36,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 24 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:36,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2023-04-01 22:13:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1778. [2023-04-01 22:13:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1723 states have (on average 1.1207196749854904) internal successors, (1931), 1750 states have internal predecessors, (1931), 14 states have call successors, (14), 14 states have call predecessors, (14), 40 states have return successors, (118), 13 states have call predecessors, (118), 13 states have call successors, (118) [2023-04-01 22:13:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2063 transitions. [2023-04-01 22:13:36,927 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2063 transitions. Word has length 320 [2023-04-01 22:13:36,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:36,928 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2063 transitions. [2023-04-01 22:13:36,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2063 transitions. [2023-04-01 22:13:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-04-01 22:13:36,933 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:13:36,933 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:36,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:37,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:37,142 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:13:37,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:13:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash 919842797, now seen corresponding path program 1 times [2023-04-01 22:13:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:13:37,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351738789] [2023-04-01 22:13:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:37,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:13:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:13:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:13:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:13:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-01 22:13:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 174 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-04-01 22:13:37,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:13:37,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351738789] [2023-04-01 22:13:37,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351738789] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:13:37,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055194231] [2023-04-01 22:13:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:13:37,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:37,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:13:37,622 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) [2023-04-01 22:13:37,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:13:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:13:37,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:13:37,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:13:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-04-01 22:13:37,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:13:37,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055194231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:13:37,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:13:37,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:13:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433409979] [2023-04-01 22:13:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:13:37,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:13:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:13:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:13:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:37,798 INFO L87 Difference]: Start difference. First operand 1778 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:38,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:13:38,126 INFO L93 Difference]: Finished difference Result 3695 states and 4382 transitions. [2023-04-01 22:13:38,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:13:38,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 375 [2023-04-01 22:13:38,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:13:38,127 INFO L225 Difference]: With dead ends: 3695 [2023-04-01 22:13:38,127 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:13:38,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:13:38,130 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 110 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:13:38,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 28 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:13:38,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:13:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:13:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:13:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:13:38,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 375 [2023-04-01 22:13:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:13:38,131 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:13:38,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:13:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:13:38,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:13:38,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:13:38,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:13:38,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:13:38,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:13:40,608 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:13:40,608 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:13:40,608 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:13:40,608 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (< |old(~a19~0)| 9) (and .cse0 (<= ~a1~0 23)) (<= ~a10~0 1) (= ~a19~0 9) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a10~0 3)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (< |old(~a19~0)| 9) (and .cse0 (<= ~a1~0 23)) (<= ~a10~0 1) (= ~a19~0 9) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a10~0 3)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0))) [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:13:40,609 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:13:40,610 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:13:40,611 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:13:40,612 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,613 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,614 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:13:40,615 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,616 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse2 (< 9 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (and (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (< |old(~a19~0)| 8) .cse2 .cse3) (or .cse0 (< 8 |old(~a19~0)|) (< 3 |old(~a10~0)|) .cse1 .cse3) (or .cse0 (< 23 |old(~a1~0)|) .cse1 .cse2 .cse3) (or .cse0 (< 1 |old(~a10~0)|) .cse1 .cse3))) [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,617 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:13:40,618 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (<= ~a1~0 23) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-04-01 22:13:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:13:40,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:13:40,622 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:13:40,623 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:13:40,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:13:40 BoogieIcfgContainer [2023-04-01 22:13:40,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:13:40,638 INFO L158 Benchmark]: Toolchain (without parser) took 18251.48ms. Allocated memory was 314.6MB in the beginning and 684.7MB in the end (delta: 370.1MB). Free memory was 264.7MB in the beginning and 606.4MB in the end (delta: -341.7MB). Peak memory consumption was 410.8MB. Max. memory is 8.0GB. [2023-04-01 22:13:40,638 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 175.6MB in the beginning and 175.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:13:40,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.32ms. Allocated memory is still 314.6MB. Free memory was 264.4MB in the beginning and 236.8MB in the end (delta: 27.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-04-01 22:13:40,639 INFO L158 Benchmark]: Boogie Preprocessor took 57.49ms. Allocated memory is still 314.6MB. Free memory was 236.8MB in the beginning and 232.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 22:13:40,639 INFO L158 Benchmark]: RCFGBuilder took 790.22ms. Allocated memory is still 314.6MB. Free memory was 232.2MB in the beginning and 200.3MB in the end (delta: 31.9MB). Peak memory consumption was 32.6MB. Max. memory is 8.0GB. [2023-04-01 22:13:40,639 INFO L158 Benchmark]: TraceAbstraction took 17009.68ms. Allocated memory was 314.6MB in the beginning and 684.7MB in the end (delta: 370.1MB). Free memory was 199.2MB in the beginning and 606.4MB in the end (delta: -407.2MB). Peak memory consumption was 344.7MB. Max. memory is 8.0GB. [2023-04-01 22:13:40,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 175.6MB in the beginning and 175.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.32ms. Allocated memory is still 314.6MB. Free memory was 264.4MB in the beginning and 236.8MB in the end (delta: 27.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.49ms. Allocated memory is still 314.6MB. Free memory was 236.8MB in the beginning and 232.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 790.22ms. Allocated memory is still 314.6MB. Free memory was 232.2MB in the beginning and 200.3MB in the end (delta: 31.9MB). Peak memory consumption was 32.6MB. Max. memory is 8.0GB. * TraceAbstraction took 17009.68ms. Allocated memory was 314.6MB in the beginning and 684.7MB in the end (delta: 370.1MB). Free memory was 199.2MB in the beginning and 606.4MB in the end (delta: -407.2MB). Peak memory consumption was 344.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5157 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5157 mSDsluCounter, 477 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 1063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7820 IncrementalHoareTripleChecker+Invalid, 8883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1063 mSolverCounterUnsat, 203 mSDtfsCounter, 7820 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2257 GetRequests, 2147 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1804occurred in iteration=7, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1620 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 83 PreInvPairs, 125 NumberOfFragments, 285 HoareAnnotationTreeSize, 83 FomulaSimplifications, 41693 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3184 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 3689 NumberOfCodeBlocks, 3689 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4187 ConstructedInterpolants, 0 QuantifiedInterpolants, 11375 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2778 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 3102/3122 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((\old(a19) < 9 || (a19 <= 8 && a1 <= 23)) || a10 <= 1) || a19 == 9) || (a19 <= 8 && 8 <= a19)) || !(14 == a4)) || (a19 <= 8 && a10 <= 3)) || 23 < \old(a1)) || !(0 == \old(a10))) || 9 < \old(a19)) || !(a12 == 0) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:13:40,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...