/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/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:42:53,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:42:53,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:42:53,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:42:54,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:42:54,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:42:54,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:42:54,041 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 [2023-03-30 22:42:54,073 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:42:54,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:42:54,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:42:54,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:42:54,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:42:54,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:42:54,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:42:54,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:42:54,076 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:42:54,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:42:54,077 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:42:54,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:42:54,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:42:54,079 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:42:54,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:42:54,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:42:54,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:42:54,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:42:54,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:42:54,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:42:54,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:42:54,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:42:54,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:42:54,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:42:54,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:42:54,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:42:54,081 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:42:54,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:42:54,081 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:42:54,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:42:54,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:42:54,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:42:54,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:42:54,315 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:42:54,315 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:42:54,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2023-03-30 22:42:55,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:42:55,736 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:42:55,737 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2023-03-30 22:42:55,747 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596cfbca3/7d06ec5f9c1d4fc6b7ef09d0ffce9300/FLAGa15cd6bc6 [2023-03-30 22:42:55,759 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596cfbca3/7d06ec5f9c1d4fc6b7ef09d0ffce9300 [2023-03-30 22:42:55,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:42:55,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:42:55,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:42:55,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:42:55,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:42:55,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:42:55" (1/1) ... [2023-03-30 22:42:55,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776652fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:55, skipping insertion in model container [2023-03-30 22:42:55,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:42:55" (1/1) ... [2023-03-30 22:42:55,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:42:55,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:42:56,077 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/Problem02_label21.c[16331,16344] [2023-03-30 22:42:56,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:42:56,118 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:42:56,175 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/Problem02_label21.c[16331,16344] [2023-03-30 22:42:56,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:42:56,202 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:42:56,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56 WrapperNode [2023-03-30 22:42:56,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:42:56,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:42:56,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:42:56,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:42:56,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:42:56,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:42:56,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:42:56,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:42:56,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (1/1) ... [2023-03-30 22:42:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:42:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:42:56,346 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) [2023-03-30 22:42:56,361 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 [2023-03-30 22:42:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:42:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:42:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:42:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:42:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:42:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:42:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:42:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:42:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:42:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:42:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:42:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:42:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:42:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:42:56,476 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:42:56,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:42:57,391 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:42:57,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:42:57,399 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:42:57,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:42:57 BoogieIcfgContainer [2023-03-30 22:42:57,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:42:57,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:42:57,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:42:57,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:42:57,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:42:55" (1/3) ... [2023-03-30 22:42:57,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eac959a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:42:57, skipping insertion in model container [2023-03-30 22:42:57,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:42:56" (2/3) ... [2023-03-30 22:42:57,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eac959a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:42:57, skipping insertion in model container [2023-03-30 22:42:57,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:42:57" (3/3) ... [2023-03-30 22:42:57,422 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2023-03-30 22:42:57,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:42:57,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:42:57,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:42:57,512 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;@305c15de, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:42:57,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:42:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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) [2023-03-30 22:42:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-03-30 22:42:57,534 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:57,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:57,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:57,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash -907163775, now seen corresponding path program 1 times [2023-03-30 22:42:57,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:57,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090361000] [2023-03-30 22:42:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:57,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:42:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:42:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:42:58,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:42:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090361000] [2023-03-30 22:42:58,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090361000] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:42:58,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:42:58,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-30 22:42:58,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051004025] [2023-03-30 22:42:58,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:42:58,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:42:58,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:42:58,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:42:58,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:42:58,469 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2023-03-30 22:42:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:42:59,719 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2023-03-30 22:42:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:42:59,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 102 [2023-03-30 22:42:59,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:42:59,739 INFO L225 Difference]: With dead ends: 627 [2023-03-30 22:42:59,739 INFO L226 Difference]: Without dead ends: 327 [2023-03-30 22:42:59,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-30 22:42:59,751 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 817 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:42:59,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 33 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 22:42:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-03-30 22:42:59,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2023-03-30 22:42:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 310 states have (on average 1.5161290322580645) internal successors, (470), 311 states have internal predecessors, (470), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:42:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2023-03-30 22:42:59,813 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 102 [2023-03-30 22:42:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:42:59,813 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2023-03-30 22:42:59,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2023-03-30 22:42:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2023-03-30 22:42:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-03-30 22:42:59,817 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:42:59,818 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:42:59,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:42:59,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:42:59,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:42:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -918902129, now seen corresponding path program 1 times [2023-03-30 22:42:59,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:42:59,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392837042] [2023-03-30 22:42:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:42:59,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:42:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:00,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:00,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392837042] [2023-03-30 22:43:00,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392837042] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:00,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:00,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:43:00,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539607881] [2023-03-30 22:43:00,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:00,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:43:00,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:00,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:43:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:43:00,181 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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) [2023-03-30 22:43:01,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:01,484 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2023-03-30 22:43:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:43:01,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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 117 [2023-03-30 22:43:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:01,491 INFO L225 Difference]: With dead ends: 1102 [2023-03-30 22:43:01,491 INFO L226 Difference]: Without dead ends: 789 [2023-03-30 22:43:01,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-03-30 22:43:01,493 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1128 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:01,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 106 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 22:43:01,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-03-30 22:43:01,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2023-03-30 22:43:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 752 states have (on average 1.4534574468085106) internal successors, (1093), 758 states have internal predecessors, (1093), 7 states have call successors, (7), 7 states have call predecessors, (7), 12 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-03-30 22:43:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2023-03-30 22:43:01,543 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 117 [2023-03-30 22:43:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:01,543 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2023-03-30 22:43:01,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 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) [2023-03-30 22:43:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2023-03-30 22:43:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-03-30 22:43:01,549 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:01,549 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:01,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:43:01,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:01,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:01,550 INFO L85 PathProgramCache]: Analyzing trace with hash -407905445, now seen corresponding path program 1 times [2023-03-30 22:43:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:01,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289668254] [2023-03-30 22:43:01,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:01,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:43:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:43:01,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:01,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289668254] [2023-03-30 22:43:01,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289668254] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:01,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796702829] [2023-03-30 22:43:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:01,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:01,877 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) [2023-03-30 22:43:01,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:43:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:01,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:02,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:02,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:02,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796702829] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:02,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:02,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:02,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331840457] [2023-03-30 22:43:02,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:02,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:02,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:02,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:02,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:02,306 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:03,172 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2023-03-30 22:43:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:03,173 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 125 [2023-03-30 22:43:03,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:03,177 INFO L225 Difference]: With dead ends: 1395 [2023-03-30 22:43:03,178 INFO L226 Difference]: Without dead ends: 629 [2023-03-30 22:43:03,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 254 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-03-30 22:43:03,182 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1261 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:03,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 47 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:43:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-03-30 22:43:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2023-03-30 22:43:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 597 states have (on average 1.4137353433835846) internal successors, (844), 599 states have internal predecessors, (844), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-03-30 22:43:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2023-03-30 22:43:03,223 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 125 [2023-03-30 22:43:03,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:03,225 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2023-03-30 22:43:03,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 10 states have internal predecessors, (145), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2023-03-30 22:43:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-03-30 22:43:03,234 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:03,234 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:03,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-30 22:43:03,440 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 [2023-03-30 22:43:03,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:03,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash -869114254, now seen corresponding path program 1 times [2023-03-30 22:43:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:03,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603760385] [2023-03-30 22:43:03,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:03,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:03,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603760385] [2023-03-30 22:43:03,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603760385] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:03,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:03,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:43:03,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768678734] [2023-03-30 22:43:03,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:43:03,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:43:03,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:03,765 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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) [2023-03-30 22:43:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:04,616 INFO L93 Difference]: Finished difference Result 1874 states and 2743 transitions. [2023-03-30 22:43:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:43:04,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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 124 [2023-03-30 22:43:04,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:04,624 INFO L225 Difference]: With dead ends: 1874 [2023-03-30 22:43:04,624 INFO L226 Difference]: Without dead ends: 1269 [2023-03-30 22:43:04,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:04,633 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 833 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:04,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 76 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:43:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2023-03-30 22:43:04,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 927. [2023-03-30 22:43:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 902 states have (on average 1.375831485587583) internal successors, (1241), 911 states have internal predecessors, (1241), 8 states have call successors, (8), 8 states have call predecessors, (8), 16 states have return successors, (41), 7 states have call predecessors, (41), 7 states have call successors, (41) [2023-03-30 22:43:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1290 transitions. [2023-03-30 22:43:04,685 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1290 transitions. Word has length 124 [2023-03-30 22:43:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:04,685 INFO L495 AbstractCegarLoop]: Abstraction has 927 states and 1290 transitions. [2023-03-30 22:43:04,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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) [2023-03-30 22:43:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1290 transitions. [2023-03-30 22:43:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-03-30 22:43:04,691 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:04,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:04,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 22:43:04,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:04,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -425340182, now seen corresponding path program 1 times [2023-03-30 22:43:04,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:04,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327030395] [2023-03-30 22:43:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:05,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:05,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327030395] [2023-03-30 22:43:05,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327030395] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:05,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152559537] [2023-03-30 22:43:05,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:05,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:05,313 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) [2023-03-30 22:43:05,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:43:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:05,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:05,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:05,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:05,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152559537] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:05,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:05,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:05,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669837557] [2023-03-30 22:43:05,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:05,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:05,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:05,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:05,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:05,546 INFO L87 Difference]: Start difference. First operand 927 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-03-30 22:43:05,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:05,888 INFO L93 Difference]: Finished difference Result 2726 states and 3884 transitions. [2023-03-30 22:43:05,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:05,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 128 [2023-03-30 22:43:05,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:05,900 INFO L225 Difference]: With dead ends: 2726 [2023-03-30 22:43:05,900 INFO L226 Difference]: Without dead ends: 1805 [2023-03-30 22:43:05,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:05,904 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 54 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:05,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2023-03-30 22:43:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1661. [2023-03-30 22:43:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1621 states have (on average 1.2399753238741518) internal successors, (2010), 1635 states have internal predecessors, (2010), 13 states have call successors, (13), 13 states have call predecessors, (13), 26 states have return successors, (103), 12 states have call predecessors, (103), 12 states have call successors, (103) [2023-03-30 22:43:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2126 transitions. [2023-03-30 22:43:06,002 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2126 transitions. Word has length 128 [2023-03-30 22:43:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:06,003 INFO L495 AbstractCegarLoop]: Abstraction has 1661 states and 2126 transitions. [2023-03-30 22:43:06,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2023-03-30 22:43:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2126 transitions. [2023-03-30 22:43:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-03-30 22:43:06,007 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:06,007 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:06,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-30 22:43:06,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:06,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:06,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:06,214 INFO L85 PathProgramCache]: Analyzing trace with hash 979833916, now seen corresponding path program 1 times [2023-03-30 22:43:06,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:06,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41987177] [2023-03-30 22:43:06,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:06,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:43:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41987177] [2023-03-30 22:43:06,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41987177] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366889130] [2023-03-30 22:43:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:06,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:06,422 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) [2023-03-30 22:43:06,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:43:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:06,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:06,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:06,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366889130] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:06,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:06,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:43:06,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343465832] [2023-03-30 22:43:06,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:06,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:06,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:06,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:06,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:06,757 INFO L87 Difference]: Start difference. First operand 1661 states and 2126 transitions. Second operand has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:09,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:09,401 INFO L93 Difference]: Finished difference Result 6523 states and 9222 transitions. [2023-03-30 22:43:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-30 22:43:09,401 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 141 [2023-03-30 22:43:09,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:09,427 INFO L225 Difference]: With dead ends: 6523 [2023-03-30 22:43:09,427 INFO L226 Difference]: Without dead ends: 4868 [2023-03-30 22:43:09,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 293 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-03-30 22:43:09,435 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1785 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:09,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 152 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-03-30 22:43:09,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2023-03-30 22:43:09,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4359. [2023-03-30 22:43:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4227 states have (on average 1.1570854033593565) internal successors, (4891), 4297 states have internal predecessors, (4891), 31 states have call successors, (31), 31 states have call predecessors, (31), 100 states have return successors, (430), 30 states have call predecessors, (430), 30 states have call successors, (430) [2023-03-30 22:43:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 5352 transitions. [2023-03-30 22:43:09,634 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 5352 transitions. Word has length 141 [2023-03-30 22:43:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:09,635 INFO L495 AbstractCegarLoop]: Abstraction has 4359 states and 5352 transitions. [2023-03-30 22:43:09,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.833333333333334) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 5352 transitions. [2023-03-30 22:43:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-03-30 22:43:09,645 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:09,646 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:09,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:09,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:09,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:09,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1145300487, now seen corresponding path program 1 times [2023-03-30 22:43:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286103774] [2023-03-30 22:43:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:09,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-30 22:43:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-30 22:43:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-30 22:43:10,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:10,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286103774] [2023-03-30 22:43:10,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286103774] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:10,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446061558] [2023-03-30 22:43:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:10,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:10,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:10,132 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) [2023-03-30 22:43:10,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:43:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:10,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-30 22:43:10,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-30 22:43:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446061558] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:10,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:10,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-03-30 22:43:10,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500130882] [2023-03-30 22:43:10,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:10,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-30 22:43:10,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-30 22:43:10,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-30 22:43:10,456 INFO L87 Difference]: Start difference. First operand 4359 states and 5352 transitions. Second operand has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:11,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:11,436 INFO L93 Difference]: Finished difference Result 8018 states and 9848 transitions. [2023-03-30 22:43:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:11,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 190 [2023-03-30 22:43:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:11,453 INFO L225 Difference]: With dead ends: 8018 [2023-03-30 22:43:11,453 INFO L226 Difference]: Without dead ends: 3893 [2023-03-30 22:43:11,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 388 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-30 22:43:11,463 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 759 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:11,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 75 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 22:43:11,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3893 states. [2023-03-30 22:43:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3893 to 3885. [2023-03-30 22:43:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 3776 states have (on average 1.0995762711864407) internal successors, (4152), 3829 states have internal predecessors, (4152), 28 states have call successors, (28), 28 states have call predecessors, (28), 80 states have return successors, (274), 27 states have call predecessors, (274), 27 states have call successors, (274) [2023-03-30 22:43:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 4454 transitions. [2023-03-30 22:43:11,616 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 4454 transitions. Word has length 190 [2023-03-30 22:43:11,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:11,616 INFO L495 AbstractCegarLoop]: Abstraction has 3885 states and 4454 transitions. [2023-03-30 22:43:11,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.272727272727273) internal successors, (212), 9 states have internal predecessors, (212), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4454 transitions. [2023-03-30 22:43:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-30 22:43:11,624 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:11,625 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:11,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:11,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:11,832 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:11,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1608793743, now seen corresponding path program 1 times [2023-03-30 22:43:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532652854] [2023-03-30 22:43:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-30 22:43:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-30 22:43:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-03-30 22:43:12,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:12,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532652854] [2023-03-30 22:43:12,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532652854] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:12,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651741099] [2023-03-30 22:43:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:12,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:12,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:12,076 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) [2023-03-30 22:43:12,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:43:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:12,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-03-30 22:43:12,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-03-30 22:43:12,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651741099] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:12,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:12,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:43:12,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703362294] [2023-03-30 22:43:12,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:12,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:12,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:12,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:12,382 INFO L87 Difference]: Start difference. First operand 3885 states and 4454 transitions. Second operand has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:15,079 INFO L93 Difference]: Finished difference Result 7940 states and 9105 transitions. [2023-03-30 22:43:15,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-03-30 22:43:15,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 194 [2023-03-30 22:43:15,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:15,094 INFO L225 Difference]: With dead ends: 7940 [2023-03-30 22:43:15,094 INFO L226 Difference]: Without dead ends: 4030 [2023-03-30 22:43:15,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2023-03-30 22:43:15,103 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1399 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:15,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 217 Invalid, 3982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 3767 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-03-30 22:43:15,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4030 states. [2023-03-30 22:43:15,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4030 to 3726. [2023-03-30 22:43:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3726 states, 3626 states have (on average 1.051296194153337) internal successors, (3812), 3672 states have internal predecessors, (3812), 27 states have call successors, (27), 27 states have call predecessors, (27), 72 states have return successors, (171), 26 states have call predecessors, (171), 26 states have call successors, (171) [2023-03-30 22:43:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 4010 transitions. [2023-03-30 22:43:15,207 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 4010 transitions. Word has length 194 [2023-03-30 22:43:15,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:15,208 INFO L495 AbstractCegarLoop]: Abstraction has 3726 states and 4010 transitions. [2023-03-30 22:43:15,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.166666666666668) internal successors, (218), 10 states have internal predecessors, (218), 4 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:15,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4010 transitions. [2023-03-30 22:43:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-03-30 22:43:15,215 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:15,215 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, 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] [2023-03-30 22:43:15,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:15,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:15,423 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:15,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1470410571, now seen corresponding path program 1 times [2023-03-30 22:43:15,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:15,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376750467] [2023-03-30 22:43:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:15,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-30 22:43:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-30 22:43:16,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:16,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376750467] [2023-03-30 22:43:16,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376750467] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:16,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106195609] [2023-03-30 22:43:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:16,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:16,081 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) [2023-03-30 22:43:16,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 22:43:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:16,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:16,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-30 22:43:16,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106195609] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:43:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468877953] [2023-03-30 22:43:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:16,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:16,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:16,303 INFO L87 Difference]: Start difference. First operand 3726 states and 4010 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-03-30 22:43:16,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:16,591 INFO L93 Difference]: Finished difference Result 7159 states and 7715 transitions. [2023-03-30 22:43:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:16,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 208 [2023-03-30 22:43:16,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:16,592 INFO L225 Difference]: With dead ends: 7159 [2023-03-30 22:43:16,592 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:43:16,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:16,605 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 58 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:16,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 191 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:43:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:43:16,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:43:16,605 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) [2023-03-30 22:43:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:43:16,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2023-03-30 22:43:16,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:16,606 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:43:16,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-03-30 22:43:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:43:16,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:43:16,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:43:16,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:16,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:16,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:43:22,512 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:43:22,513 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:43:22,513 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:43:22,516 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:22,517 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse8 (<= ~a28~0 8)) (.cse1 (<= ~a17~0 8)) (.cse7 (= ~a25~0 0)) (.cse5 (<= 10 ~a28~0)) (.cse3 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse4 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0 .cse4 (not (= ~a11~0 1))) (and .cse5 .cse6 .cse1 .cse2 .cse7) (and .cse3 .cse0 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse6 .cse1 .cse2 .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse8 .cse1 .cse7) (and .cse5 .cse3 .cse2 .cse4))) [2023-03-30 22:43:22,517 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:43:22,517 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:43:22,517 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-03-30 22:43:22,518 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse8 (<= ~a28~0 8)) (.cse1 (<= ~a17~0 8)) (.cse7 (= ~a25~0 0)) (.cse5 (<= 10 ~a28~0)) (.cse3 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse4 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (< 7 |old(~a28~0)|) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0 .cse4 (not (= ~a11~0 1))) (and .cse5 .cse6 .cse1 .cse2 .cse7) (and .cse3 .cse0 .cse8 .cse4) (not (= |old(~a19~0)| 1)) (and .cse6 .cse1 .cse2 .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse8 .cse1 .cse7) (and .cse5 .cse3 .cse2 .cse4))) [2023-03-30 22:43:22,518 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:22,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:22,522 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:43:22,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:22,523 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:43:22,523 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:43:22,524 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:43:22,525 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,526 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:43:22,527 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:43:22,528 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,529 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:43:22,530 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:22,531 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:43:22,532 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:43:22,533 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:43:22,534 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:43:22,535 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse13 (= ~a17~0 8)) (.cse17 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (and .cse6 .cse18 .cse7 .cse8 .cse10)) (.cse5 (not (= 0 |old(~a25~0)|))) (.cse15 (< |old(~a28~0)| 10)) (.cse3 (< 8 |old(~a28~0)|)) (.cse11 (not (= |old(~a19~0)| 1))) (.cse16 (and .cse13 .cse6 .cse17 .cse8 .cse9)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse0 (< 8 |old(~a17~0)|)) (.cse1 (not (= |old(~a25~0)| 1))) (.cse2 (and .cse6 .cse17 .cse18 .cse7 .cse8)) (.cse12 (< 10 |old(~a28~0)|))) (and (or .cse0 .cse1 (< 7 |old(~a28~0)|) .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 (and .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse5 .cse12) (or (and .cse13 .cse6 .cse8 .cse9 .cse10) .cse11 .cse14 .cse15 .cse12) (or .cse0 .cse4 .cse5 .cse15 .cse12) (or .cse1 (= |old(~a11~0)| 1) .cse11 .cse16 .cse14) (or .cse1 .cse3 .cse11 .cse16 .cse14) (or .cse0 .cse1 .cse2 (< |old(~a28~0)| 9) .cse12)))) [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:43:22,536 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:43:22,537 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-03-30 22:43:22,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:22,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:43:22,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:22,543 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:43:22,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:43:22 BoogieIcfgContainer [2023-03-30 22:43:22,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:43:22,561 INFO L158 Benchmark]: Toolchain (without parser) took 26798.32ms. Allocated memory was 176.2MB in the beginning and 562.0MB in the end (delta: 385.9MB). Free memory was 133.2MB in the beginning and 423.8MB in the end (delta: -290.6MB). Peak memory consumption was 330.5MB. Max. memory is 8.0GB. [2023-03-30 22:43:22,561 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:43:22,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.20ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 106.7MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:22,561 INFO L158 Benchmark]: Boogie Preprocessor took 101.30ms. Allocated memory is still 176.2MB. Free memory was 106.7MB in the beginning and 102.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:22,561 INFO L158 Benchmark]: RCFGBuilder took 1109.56ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 89.1MB in the end (delta: 12.7MB). Peak memory consumption was 18.8MB. Max. memory is 8.0GB. [2023-03-30 22:43:22,562 INFO L158 Benchmark]: TraceAbstraction took 25143.75ms. Allocated memory was 176.2MB in the beginning and 562.0MB in the end (delta: 385.9MB). Free memory was 88.6MB in the beginning and 423.8MB in the end (delta: -335.2MB). Peak memory consumption was 285.5MB. Max. memory is 8.0GB. [2023-03-30 22:43:22,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 439.20ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 106.7MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 101.30ms. Allocated memory is still 176.2MB. Free memory was 106.7MB in the beginning and 102.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1109.56ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 89.1MB in the end (delta: 12.7MB). Peak memory consumption was 18.8MB. Max. memory is 8.0GB. * TraceAbstraction took 25143.75ms. Allocated memory was 176.2MB in the beginning and 562.0MB in the end (delta: 385.9MB). Free memory was 88.6MB in the beginning and 423.8MB in the end (delta: -335.2MB). Peak memory consumption was 285.5MB. 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: 470]: 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, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.1s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8108 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8094 mSDsluCounter, 998 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 1549 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11135 IncrementalHoareTripleChecker+Invalid, 12684 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1549 mSolverCounterUnsat, 421 mSDtfsCounter, 11135 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1850 GetRequests, 1703 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4359occurred in iteration=6, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 1350 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 198 NumberOfFragments, 605 HoareAnnotationTreeSize, 136 FomulaSimplifications, 61122 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8337 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2315 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2946 ConstructedInterpolants, 0 QuantifiedInterpolants, 8795 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2779 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 1438/1596 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: 616]: Loop Invariant Derived loop invariant: (((((((((((0 < \old(a11) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || 7 < \old(a28)) || ((a25 == 1 && a17 <= 8) && a28 <= 7)) || (((a17 == 8 && a25 == 1) && a19 == 1) && !(a11 == 1))) || ((((10 <= a28 && a17 <= \old(a17)) && a17 <= 8) && a28 <= 10) && a25 == 0)) || (((a17 == 8 && a25 == 1) && a28 <= 8) && a19 == 1)) || !(\old(a19) == 1)) || ((((a17 <= \old(a17) && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0)) || !(0 == \old(a25))) || !(8 == \old(a17))) || (((a17 <= \old(a17) && a28 <= 8) && a17 <= 8) && a25 == 0)) || (((10 <= a28 && a17 == 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:43:22,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...