/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:21:54,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:21:54,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:21:54,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:21:54,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:21:54,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:21:54,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:21:54,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 20:21:54,220 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:21:54,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:21:54,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:21:54,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:21:54,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:21:54,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:21:54,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:21:54,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:21:54,223 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:21:54,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:21:54,224 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:21:54,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:21:54,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:54,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:21:54,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:21:54,227 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:21:54,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:21:54,227 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:21:54,227 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:21:54,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:21:54,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:21:54,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:21:54,470 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:21:54,471 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:21:54,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2023-04-01 20:21:55,654 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:21:55,884 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:21:55,884 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2023-04-01 20:21:55,894 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1077e88/84ad6a87a8674d51a6c8fb275ca8a7ff/FLAGbd2f7c844 [2023-04-01 20:21:55,906 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1077e88/84ad6a87a8674d51a6c8fb275ca8a7ff [2023-04-01 20:21:55,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:21:55,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:21:55,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:55,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:21:55,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:21:55,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:55" (1/1) ... [2023-04-01 20:21:55,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345c3790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:55, skipping insertion in model container [2023-04-01 20:21:55,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:21:55" (1/1) ... [2023-04-01 20:21:55,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:21:55,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:21:56,227 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_label19.c[15877,15890] [2023-04-01 20:21:56,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:56,279 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:21:56,345 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_label19.c[15877,15890] [2023-04-01 20:21:56,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:21:56,380 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:21:56,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56 WrapperNode [2023-04-01 20:21:56,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:21:56,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:21:56,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:21:56,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:21:56,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:21:56,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:21:56,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:21:56,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:21:56,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (1/1) ... [2023-04-01 20:21:56,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:21:56,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:21:56,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 20:21:56,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 20:21:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:21:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:21:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:21:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:21:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:21:56,652 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:21:56,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:21:57,585 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:21:57,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:21:57,595 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:21:57,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:21:57 BoogieIcfgContainer [2023-04-01 20:21:57,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:21:57,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:21:57,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:21:57,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:21:57,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:21:55" (1/3) ... [2023-04-01 20:21:57,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fac222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:21:57, skipping insertion in model container [2023-04-01 20:21:57,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:21:56" (2/3) ... [2023-04-01 20:21:57,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fac222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:21:57, skipping insertion in model container [2023-04-01 20:21:57,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:21:57" (3/3) ... [2023-04-01 20:21:57,603 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2023-04-01 20:21:57,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:21:57,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:21:57,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:21:57,668 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;@5d9342aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:21:57,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:21:57,674 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) [2023-04-01 20:21:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-01 20:21:57,688 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:57,689 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] [2023-04-01 20:21:57,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:57,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1670126415, now seen corresponding path program 1 times [2023-04-01 20:21:57,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:57,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027575194] [2023-04-01 20:21:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:57,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:21:58,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:21:58,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027575194] [2023-04-01 20:21:58,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027575194] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:21:58,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:21:58,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:21:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076390435] [2023-04-01 20:21:58,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:21:58,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:21:58,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:21:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:21:58,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:21:58,569 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 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:21:59,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:21:59,677 INFO L93 Difference]: Finished difference Result 631 states and 1079 transitions. [2023-04-01 20:21:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:21:59,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 98 [2023-04-01 20:21:59,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:21:59,692 INFO L225 Difference]: With dead ends: 631 [2023-04-01 20:21:59,693 INFO L226 Difference]: Without dead ends: 331 [2023-04-01 20:21:59,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:21:59,700 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 579 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:21:59,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 40 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:21:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-04-01 20:21:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 323. [2023-04-01 20:21:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 314 states have (on average 1.480891719745223) internal successors, (465), 315 states have internal predecessors, (465), 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) [2023-04-01 20:21:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2023-04-01 20:21:59,758 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 98 [2023-04-01 20:21:59,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:21:59,759 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2023-04-01 20:21:59,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 20:21:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2023-04-01 20:21:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-01 20:21:59,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:21:59,764 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:21:59,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:21:59,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:21:59,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:21:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 992842959, now seen corresponding path program 1 times [2023-04-01 20:21:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:21:59,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31987751] [2023-04-01 20:21:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:21:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:21:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:21:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:21:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:00,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:00,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31987751] [2023-04-01 20:22:00,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31987751] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:00,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:00,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 20:22:00,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286709109] [2023-04-01 20:22:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:00,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 20:22:00,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:00,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 20:22:00,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:00,047 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:01,017 INFO L93 Difference]: Finished difference Result 992 states and 1504 transitions. [2023-04-01 20:22:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:22:01,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 118 [2023-04-01 20:22:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:01,022 INFO L225 Difference]: With dead ends: 992 [2023-04-01 20:22:01,022 INFO L226 Difference]: Without dead ends: 675 [2023-04-01 20:22:01,024 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 [2023-04-01 20:22:01,025 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 554 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:01,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 109 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 20:22:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2023-04-01 20:22:01,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 643. [2023-04-01 20:22:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 625 states have (on average 1.4352) internal successors, (897), 631 states have internal predecessors, (897), 6 states have call successors, (6), 6 states have call predecessors, (6), 11 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-01 20:22:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 926 transitions. [2023-04-01 20:22:01,065 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 926 transitions. Word has length 118 [2023-04-01 20:22:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:01,065 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 926 transitions. [2023-04-01 20:22:01,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 926 transitions. [2023-04-01 20:22:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-01 20:22:01,070 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:01,070 INFO L195 NwaCegarLoop]: trace histogram [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, 1] [2023-04-01 20:22:01,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:22:01,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:01,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 392509363, now seen corresponding path program 1 times [2023-04-01 20:22:01,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:01,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689738893] [2023-04-01 20:22:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:01,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:01,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:01,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689738893] [2023-04-01 20:22:01,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689738893] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:01,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:01,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:22:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689956986] [2023-04-01 20:22:01,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:01,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:01,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:01,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:01,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:01,340 INFO L87 Difference]: Start difference. First operand 643 states and 926 transitions. Second operand has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:02,752 INFO L93 Difference]: Finished difference Result 2085 states and 3153 transitions. [2023-04-01 20:22:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 20:22:02,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 119 [2023-04-01 20:22:02,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:02,759 INFO L225 Difference]: With dead ends: 2085 [2023-04-01 20:22:02,759 INFO L226 Difference]: Without dead ends: 1448 [2023-04-01 20:22:02,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-04-01 20:22:02,765 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1122 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:02,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 130 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 20:22:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2023-04-01 20:22:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1408. [2023-04-01 20:22:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1358 states have (on average 1.2989690721649485) internal successors, (1764), 1386 states have internal predecessors, (1764), 11 states have call successors, (11), 11 states have call predecessors, (11), 38 states have return successors, (124), 10 states have call predecessors, (124), 10 states have call successors, (124) [2023-04-01 20:22:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1899 transitions. [2023-04-01 20:22:02,848 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1899 transitions. Word has length 119 [2023-04-01 20:22:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:02,850 INFO L495 AbstractCegarLoop]: Abstraction has 1408 states and 1899 transitions. [2023-04-01 20:22:02,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1899 transitions. [2023-04-01 20:22:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 20:22:02,856 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:02,856 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] [2023-04-01 20:22:02,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 20:22:02,857 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:02,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash 784600218, now seen corresponding path program 1 times [2023-04-01 20:22:02,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:02,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195968718] [2023-04-01 20:22:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:03,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:03,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195968718] [2023-04-01 20:22:03,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195968718] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:03,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382884353] [2023-04-01 20:22:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:03,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:03,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:03,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:03,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:22:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:03,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 20:22:03,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:03,717 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:03,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382884353] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:03,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:03,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-04-01 20:22:03,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935577637] [2023-04-01 20:22:03,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:03,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:22:03,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:03,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:22:03,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:03,720 INFO L87 Difference]: Start difference. First operand 1408 states and 1899 transitions. Second operand has 5 states, 5 states have (on average 23.6) 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) [2023-04-01 20:22:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:04,372 INFO L93 Difference]: Finished difference Result 4202 states and 6073 transitions. [2023-04-01 20:22:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 20:22:04,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) 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 [2023-04-01 20:22:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:04,388 INFO L225 Difference]: With dead ends: 4202 [2023-04-01 20:22:04,388 INFO L226 Difference]: Without dead ends: 2800 [2023-04-01 20:22:04,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:22:04,400 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 573 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:04,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 116 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 20:22:04,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2023-04-01 20:22:04,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2758. [2023-04-01 20:22:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2662 states have (on average 1.2460555972952667) internal successors, (3317), 2718 states have internal predecessors, (3317), 20 states have call successors, (20), 20 states have call predecessors, (20), 75 states have return successors, (356), 19 states have call predecessors, (356), 19 states have call successors, (356) [2023-04-01 20:22:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3693 transitions. [2023-04-01 20:22:04,566 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3693 transitions. Word has length 124 [2023-04-01 20:22:04,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:04,566 INFO L495 AbstractCegarLoop]: Abstraction has 2758 states and 3693 transitions. [2023-04-01 20:22:04,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) 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) [2023-04-01 20:22:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3693 transitions. [2023-04-01 20:22:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-01 20:22:04,572 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:04,572 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:04,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:04,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:04,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:04,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:04,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2145066380, now seen corresponding path program 1 times [2023-04-01 20:22:04,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:04,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655487645] [2023-04-01 20:22:04,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:04,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:05,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:05,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655487645] [2023-04-01 20:22:05,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655487645] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:05,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:05,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:22:05,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56159694] [2023-04-01 20:22:05,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:05,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:05,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:05,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:05,109 INFO L87 Difference]: Start difference. First operand 2758 states and 3693 transitions. Second operand has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:05,782 INFO L93 Difference]: Finished difference Result 5397 states and 7678 transitions. [2023-04-01 20:22:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 20:22:05,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 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 135 [2023-04-01 20:22:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:05,796 INFO L225 Difference]: With dead ends: 5397 [2023-04-01 20:22:05,796 INFO L226 Difference]: Without dead ends: 2645 [2023-04-01 20:22:05,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:22:05,805 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 443 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:05,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 44 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 20:22:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2023-04-01 20:22:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2435. [2023-04-01 20:22:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2351 states have (on average 1.1790727350063803) internal successors, (2772), 2399 states have internal predecessors, (2772), 18 states have call successors, (18), 18 states have call predecessors, (18), 65 states have return successors, (267), 17 states have call predecessors, (267), 17 states have call successors, (267) [2023-04-01 20:22:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3057 transitions. [2023-04-01 20:22:05,897 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3057 transitions. Word has length 135 [2023-04-01 20:22:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:05,897 INFO L495 AbstractCegarLoop]: Abstraction has 2435 states and 3057 transitions. [2023-04-01 20:22:05,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3057 transitions. [2023-04-01 20:22:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-01 20:22:05,902 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:05,903 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, 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] [2023-04-01 20:22:05,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 20:22:05,903 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:05,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash 367525302, now seen corresponding path program 1 times [2023-04-01 20:22:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:05,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524631911] [2023-04-01 20:22:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:22:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524631911] [2023-04-01 20:22:06,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524631911] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879844329] [2023-04-01 20:22:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:06,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:06,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:06,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:06,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:22:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:06,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:06,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:06,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:06,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879844329] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:06,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:06,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-04-01 20:22:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483103266] [2023-04-01 20:22:06,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:06,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:06,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:06,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:06,628 INFO L87 Difference]: Start difference. First operand 2435 states and 3057 transitions. Second operand has 11 states, 11 states have (on average 18.0) internal successors, (198), 9 states have internal predecessors, (198), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 20:22:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:07,797 INFO L93 Difference]: Finished difference Result 4883 states and 6216 transitions. [2023-04-01 20:22:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:07,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.0) internal successors, (198), 9 states have internal predecessors, (198), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 142 [2023-04-01 20:22:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:07,807 INFO L225 Difference]: With dead ends: 4883 [2023-04-01 20:22:07,807 INFO L226 Difference]: Without dead ends: 2598 [2023-04-01 20:22:07,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 284 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:22:07,817 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 503 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:07,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 78 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 20:22:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2023-04-01 20:22:07,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2586. [2023-04-01 20:22:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2586 states, 2495 states have (on average 1.1462925851703407) internal successors, (2860), 2548 states have internal predecessors, (2860), 19 states have call successors, (19), 19 states have call predecessors, (19), 71 states have return successors, (259), 18 states have call predecessors, (259), 18 states have call successors, (259) [2023-04-01 20:22:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 3138 transitions. [2023-04-01 20:22:07,889 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 3138 transitions. Word has length 142 [2023-04-01 20:22:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:07,890 INFO L495 AbstractCegarLoop]: Abstraction has 2586 states and 3138 transitions. [2023-04-01 20:22:07,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.0) internal successors, (198), 9 states have internal predecessors, (198), 4 states have call successors, (9), 6 states have call predecessors, (9), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 20:22:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3138 transitions. [2023-04-01 20:22:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 20:22:07,899 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:07,899 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:07,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:08,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 20:22:08,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:08,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash -627145154, now seen corresponding path program 1 times [2023-04-01 20:22:08,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:08,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627753864] [2023-04-01 20:22:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:08,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:22:08,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:08,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627753864] [2023-04-01 20:22:08,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627753864] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:08,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623612309] [2023-04-01 20:22:08,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:08,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:08,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:08,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:22:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:08,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:22:08,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:08,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:08,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623612309] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:08,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:08,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-04-01 20:22:08,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635167191] [2023-04-01 20:22:08,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:08,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:08,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:08,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:08,597 INFO L87 Difference]: Start difference. First operand 2586 states and 3138 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 20:22:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:09,898 INFO L93 Difference]: Finished difference Result 5207 states and 6303 transitions. [2023-04-01 20:22:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:22:09,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 146 [2023-04-01 20:22:09,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:09,908 INFO L225 Difference]: With dead ends: 5207 [2023-04-01 20:22:09,908 INFO L226 Difference]: Without dead ends: 2617 [2023-04-01 20:22:09,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:22:09,914 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 666 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:09,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 64 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:22:09,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2023-04-01 20:22:09,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2607. [2023-04-01 20:22:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2607 states, 2507 states have (on average 1.1025129637016353) internal successors, (2764), 2569 states have internal predecessors, (2764), 19 states have call successors, (19), 19 states have call predecessors, (19), 80 states have return successors, (198), 18 states have call predecessors, (198), 18 states have call successors, (198) [2023-04-01 20:22:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 2981 transitions. [2023-04-01 20:22:09,990 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 2981 transitions. Word has length 146 [2023-04-01 20:22:09,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:09,991 INFO L495 AbstractCegarLoop]: Abstraction has 2607 states and 2981 transitions. [2023-04-01 20:22:09,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 6 states have internal predecessors, (170), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 20:22:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 2981 transitions. [2023-04-01 20:22:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-01 20:22:09,996 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:09,996 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, 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] [2023-04-01 20:22:10,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:10,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:10,203 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:10,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:10,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1274117938, now seen corresponding path program 1 times [2023-04-01 20:22:10,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:10,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441198890] [2023-04-01 20:22:10,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:10,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:22:10,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:10,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441198890] [2023-04-01 20:22:10,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441198890] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:10,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521844464] [2023-04-01 20:22:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:10,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:10,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:10,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:22:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:10,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:10,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-01 20:22:11,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:11,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521844464] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:11,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:11,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-04-01 20:22:11,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558131103] [2023-04-01 20:22:11,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:11,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:11,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:11,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:11,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:22:11,055 INFO L87 Difference]: Start difference. First operand 2607 states and 2981 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:11,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:11,392 INFO L93 Difference]: Finished difference Result 4901 states and 5613 transitions. [2023-04-01 20:22:11,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:11,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 153 [2023-04-01 20:22:11,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:11,402 INFO L225 Difference]: With dead ends: 4901 [2023-04-01 20:22:11,402 INFO L226 Difference]: Without dead ends: 2749 [2023-04-01 20:22:11,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:22:11,407 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 95 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:11,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 56 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:11,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2023-04-01 20:22:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2603. [2023-04-01 20:22:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 2503 states have (on average 1.1002796644027169) internal successors, (2754), 2565 states have internal predecessors, (2754), 19 states have call successors, (19), 19 states have call predecessors, (19), 80 states have return successors, (198), 18 states have call predecessors, (198), 18 states have call successors, (198) [2023-04-01 20:22:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 2971 transitions. [2023-04-01 20:22:11,474 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 2971 transitions. Word has length 153 [2023-04-01 20:22:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:11,474 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 2971 transitions. [2023-04-01 20:22:11,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 20:22:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2971 transitions. [2023-04-01 20:22:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 20:22:11,479 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:11,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 20:22:11,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:11,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:11,686 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:11,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:11,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1078281373, now seen corresponding path program 1 times [2023-04-01 20:22:11,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:11,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302135052] [2023-04-01 20:22:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:11,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-01 20:22:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 20:22:11,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302135052] [2023-04-01 20:22:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302135052] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872111625] [2023-04-01 20:22:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:11,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:11,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:11,889 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 20:22:11,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 20:22:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:12,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:12,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 20:22:12,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 20:22:12,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872111625] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:12,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:12,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 20:22:12,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781984304] [2023-04-01 20:22:12,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:12,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:12,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:12,203 INFO L87 Difference]: Start difference. First operand 2603 states and 2971 transitions. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 9 states have internal predecessors, (189), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:13,952 INFO L93 Difference]: Finished difference Result 5327 states and 6098 transitions. [2023-04-01 20:22:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:22:13,953 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 9 states have internal predecessors, (189), 4 states have call successors, (9), 6 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 159 [2023-04-01 20:22:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:13,953 INFO L225 Difference]: With dead ends: 5327 [2023-04-01 20:22:13,953 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:22:13,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-04-01 20:22:13,980 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1038 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:13,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 82 Invalid, 2678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 2506 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 20:22:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:22:13,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:22:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 20:22:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:22:13,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2023-04-01 20:22:13,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:13,981 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:22:13,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 9 states have internal predecessors, (189), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:22:13,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:22:13,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:22:13,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:14,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:14,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:22:18,514 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:22:18,514 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:22:18,514 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:22:18,514 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:18,516 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse11 (not (= ~a28~0 10))) (.cse2 (<= 8 ~a17~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse6 (not (= ~a28~0 ~a17~0))) (.cse3 (<= ~a17~0 8)) (.cse9 (<= ~a28~0 10)) (.cse10 (= ~a25~0 0)) (.cse1 (= ~a25~0 1)) (.cse8 (= ~a11~0 1)) (.cse12 (<= ~a17~0 7)) (.cse4 (not (= |old(~a11~0)| 1))) (.cse5 (= ~a19~0 1)) (.cse7 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (< 8 |old(~a17~0)|) (< 7 |old(~a28~0)|) (and .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse1 .cse6 .cse2 .cse8 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse8 .cse3 .cse4 .cse10 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse9 .cse4) (and .cse0 .cse2 (= ~a28~0 |old(~a28~0)|) .cse3 .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse11 .cse6 .cse8 .cse3 .cse9 .cse4 .cse5 .cse10) (and .cse1 .cse11 .cse6 .cse8 .cse12 .cse9 .cse4) (< |old(~a17~0)| 8) (and .cse0 .cse11 .cse2 .cse3 .cse9 .cse4 .cse10) (and .cse6 .cse8 .cse12 .cse9 .cse4 .cse10) (not (= |old(~a19~0)| 1)) (and .cse0 .cse6 .cse3 .cse9 .cse4 .cse5 .cse10) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse8 .cse12 .cse4 .cse5 .cse7))) [2023-04-01 20:22:18,516 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-04-01 20:22:18,516 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-01 20:22:18,516 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (and (= ~a11~0 |old(~a11~0)|) (<= 8 ~a17~0) (= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (= ~a19~0 1) (= ~a25~0 0)) (< 8 |old(~a17~0)|) (< 7 |old(~a28~0)|) (< |old(~a17~0)| 8) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|))) [2023-04-01 20:22:18,517 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse11 (not (= ~a28~0 10))) (.cse2 (<= 8 ~a17~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse6 (not (= ~a28~0 ~a17~0))) (.cse3 (<= ~a17~0 8)) (.cse9 (<= ~a28~0 10)) (.cse10 (= ~a25~0 0)) (.cse1 (= ~a25~0 1)) (.cse8 (= ~a11~0 1)) (.cse12 (<= ~a17~0 7)) (.cse4 (not (= |old(~a11~0)| 1))) (.cse5 (= ~a19~0 1)) (.cse7 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (< 8 |old(~a17~0)|) (< 7 |old(~a28~0)|) (and .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse1 .cse6 .cse2 .cse8 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse8 .cse3 .cse4 .cse10 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse9 .cse4) (and .cse0 .cse2 (= ~a28~0 |old(~a28~0)|) .cse3 .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse11 .cse6 .cse8 .cse3 .cse9 .cse4 .cse5 .cse10) (and .cse1 .cse11 .cse6 .cse8 .cse12 .cse9 .cse4) (< |old(~a17~0)| 8) (and .cse0 .cse11 .cse2 .cse3 .cse9 .cse4 .cse10) (and .cse6 .cse8 .cse12 .cse9 .cse4 .cse10) (not (= |old(~a19~0)| 1)) (and .cse0 .cse6 .cse3 .cse9 .cse4 .cse5 .cse10) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse8 .cse12 .cse4 .cse5 .cse7))) [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:18,517 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|)) [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-04-01 20:22:18,517 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-04-01 20:22:18,518 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-04-01 20:22:18,519 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-04-01 20:22:18,523 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-04-01 20:22:18,524 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-04-01 20:22:18,525 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:18,526 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-04-01 20:22:18,527 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:18,528 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-04-01 20:22:18,529 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,529 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,529 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,529 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,529 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-04-01 20:22:18,532 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-04-01 20:22:18,533 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-01 20:22:18,534 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-01 20:22:18,535 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-04-01 20:22:18,536 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,537 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-01 20:22:18,538 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse1 (= |old(~a11~0)| 1))) (let ((.cse21 (< 7 |old(~a17~0)|)) (.cse12 (<= 8 ~a17~0)) (.cse17 (= ~a11~0 1)) (.cse13 (<= ~a17~0 8)) (.cse18 (= ~a25~0 0)) (.cse20 (not .cse1)) (.cse22 (= 10 |old(~a28~0)|)) (.cse15 (< |old(~a17~0)| 8)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse8 (not (= 0 |old(~a25~0)|))) (.cse10 (< 10 |old(~a28~0)|)) (.cse0 (< 8 |old(~a17~0)|)) (.cse14 (not (= |old(~a25~0)| 1))) (.cse19 (< 7 |old(~a28~0)|)) (.cse7 (not (= |old(~a19~0)| 1))) (.cse9 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 1)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a19~0 1))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9 .cse10) (or (and .cse2 .cse11 .cse12 .cse4 .cse13 .cse5) .cse0 .cse14 .cse1 .cse15 .cse7) (or (and .cse16 .cse12 .cse17 .cse4 .cse13 .cse18) .cse0 .cse19 .cse15 .cse8 .cse20) (or (and .cse11 .cse3 .cse17 .cse4 .cse5) .cse14 .cse19 .cse7 .cse20 .cse21) (or .cse22 .cse14 (and .cse11 .cse16 .cse3 .cse17 .cse4) .cse9 .cse20 .cse10 .cse21) (or .cse0 .cse14 (and .cse11 .cse12 .cse17 .cse4 .cse13 .cse5) .cse15 .cse7 .cse9 .cse20 .cse10) (or (and .cse16 .cse3 .cse17 .cse4 .cse18) .cse8 .cse9 .cse20 .cse10 .cse21) (or .cse0 .cse14 .cse1 .cse15 (and .cse2 .cse11 .cse16 .cse12 .cse4 .cse13) .cse9 .cse10) (or (and .cse12 .cse17 .cse4 .cse13 .cse5 .cse18) .cse22 .cse0 .cse15 .cse7 .cse8 .cse9 .cse20 .cse10) (or .cse22 .cse0 .cse1 .cse15 (and .cse2 .cse16 .cse3 .cse4 .cse6) .cse8 .cse10) (or .cse0 .cse14 .cse19 .cse7 .cse9 (and .cse2 .cse11 .cse3 .cse4 .cse5))))) [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,539 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-04-01 20:22:18,540 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-04-01 20:22:18,541 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-04-01 20:22:18,542 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:18,542 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:22:18,545 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:18,547 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:22:18,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:22:18 BoogieIcfgContainer [2023-04-01 20:22:18,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:22:18,566 INFO L158 Benchmark]: Toolchain (without parser) took 22656.39ms. Allocated memory was 194.0MB in the beginning and 539.0MB in the end (delta: 345.0MB). Free memory was 141.8MB in the beginning and 473.0MB in the end (delta: -331.3MB). Peak memory consumption was 317.7MB. Max. memory is 8.0GB. [2023-04-01 20:22:18,566 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 194.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:22:18,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.79ms. Allocated memory is still 194.0MB. Free memory was 141.3MB in the beginning and 115.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:18,567 INFO L158 Benchmark]: Boogie Preprocessor took 98.86ms. Allocated memory is still 194.0MB. Free memory was 114.9MB in the beginning and 110.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:18,567 INFO L158 Benchmark]: RCFGBuilder took 1115.09ms. Allocated memory was 194.0MB in the beginning and 253.8MB in the end (delta: 59.8MB). Free memory was 110.3MB in the beginning and 166.0MB in the end (delta: -55.7MB). Peak memory consumption was 27.0MB. Max. memory is 8.0GB. [2023-04-01 20:22:18,567 INFO L158 Benchmark]: TraceAbstraction took 20967.02ms. Allocated memory was 253.8MB in the beginning and 539.0MB in the end (delta: 285.2MB). Free memory was 165.5MB in the beginning and 473.0MB in the end (delta: -307.6MB). Peak memory consumption was 281.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:18,568 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 194.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.79ms. Allocated memory is still 194.0MB. Free memory was 141.3MB in the beginning and 115.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.86ms. Allocated memory is still 194.0MB. Free memory was 114.9MB in the beginning and 110.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1115.09ms. Allocated memory was 194.0MB in the beginning and 253.8MB in the end (delta: 59.8MB). Free memory was 110.3MB in the beginning and 166.0MB in the end (delta: -55.7MB). Peak memory consumption was 27.0MB. Max. memory is 8.0GB. * TraceAbstraction took 20967.02ms. Allocated memory was 253.8MB in the beginning and 539.0MB in the end (delta: 285.2MB). Free memory was 165.5MB in the beginning and 473.0MB in the end (delta: -307.6MB). Peak memory consumption was 281.2MB. 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: 458]: 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: 20.9s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5575 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5573 mSDsluCounter, 719 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 468 mSDsCounter, 1076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9236 IncrementalHoareTripleChecker+Invalid, 10312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1076 mSolverCounterUnsat, 251 mSDtfsCounter, 9236 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1299 GetRequests, 1202 SyntacticMatches, 4 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2758occurred in iteration=4, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 500 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 169 NumberOfFragments, 1106 HoareAnnotationTreeSize, 121 FomulaSimplifications, 32328 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7192 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1918 NumberOfCodeBlocks, 1918 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2348 ConstructedInterpolants, 0 QuantifiedInterpolants, 6598 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2118 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 805/829 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: ((((((((((((((((((((a11 == \old(a11) && a25 == 1) && 8 <= a17) && a17 <= 8) && !(\old(a11) == 1)) && a19 == 1) || 8 < \old(a17)) || 7 < \old(a28)) || ((((a25 == 1 && !(a28 == a17)) && a17 <= 8) && a19 == 1) && a28 <= 7)) || (((((((a25 == 1 && !(a28 == a17)) && 8 <= a17) && a11 == 1) && a17 <= 8) && a28 <= 10) && !(\old(a11) == 1)) && a19 == 1)) || (((((!(a28 == a17) && a11 == 1) && a17 <= 8) && !(\old(a11) == 1)) && a25 == 0) && a28 <= 7)) || ((((((a11 == \old(a11) && a25 == 1) && !(a28 == a17)) && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(\old(a11) == 1))) || (((((a11 == \old(a11) && 8 <= a17) && a28 == \old(a28)) && a17 <= 8) && a19 == 1) && a25 == \old(a25))) || (((((((!(a28 == 10) && !(a28 == a17)) && a11 == 1) && a17 <= 8) && a28 <= 10) && !(\old(a11) == 1)) && a19 == 1) && a25 == 0)) || ((((((a25 == 1 && !(a28 == 10)) && !(a28 == a17)) && a11 == 1) && a17 <= 7) && a28 <= 10) && !(\old(a11) == 1))) || \old(a17) < 8) || ((((((a11 == \old(a11) && !(a28 == 10)) && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(\old(a11) == 1)) && a25 == 0)) || (((((!(a28 == a17) && a11 == 1) && a17 <= 7) && a28 <= 10) && !(\old(a11) == 1)) && a25 == 0)) || !(\old(a19) == 1)) || ((((((a11 == \old(a11) && !(a28 == a17)) && a17 <= 8) && a28 <= 10) && !(\old(a11) == 1)) && a19 == 1) && a25 == 0)) || !(0 == \old(a25))) || (((((a25 == 1 && a11 == 1) && a17 <= 7) && !(\old(a11) == 1)) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:22:18,603 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...