/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:13:45,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:13:45,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:13:45,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 23:13:45,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 23:13:45,613 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:13:45,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:13:45,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:13:45,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:13:45,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:13:45,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:13:45,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:13:45,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:13:45,616 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:13:45,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:13:45,617 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:13:45,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:13:45,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:13:45,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:13:45,619 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:13:45,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:13:45,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:13:45,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:13:45,839 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:13:45,839 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:13:45,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2023-03-30 23:13:46,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:13:47,198 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:13:47,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2023-03-30 23:13:47,217 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8457292c7/75967bb3277c455bbb5c987a5b9b956c/FLAG5b30bf82b [2023-03-30 23:13:47,228 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8457292c7/75967bb3277c455bbb5c987a5b9b956c [2023-03-30 23:13:47,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:13:47,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:13:47,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:13:47,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:13:47,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:13:47,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44afa97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47, skipping insertion in model container [2023-03-30 23:13:47,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:13:47,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:13:47,412 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2023-03-30 23:13:47,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:13:47,541 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:13:47,561 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2023-03-30 23:13:47,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:13:47,653 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:13:47,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47 WrapperNode [2023-03-30 23:13:47,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:13:47,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:13:47,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:13:47,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:13:47,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:13:47,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:13:47,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:13:47,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:13:47,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (1/1) ... [2023-03-30 23:13:47,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:13:47,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:47,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 23:13:47,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 23:13:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:13:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:13:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:13:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:13:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:13:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:13:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:13:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:13:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:13:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:13:47,898 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:13:47,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:13:48,896 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:13:48,905 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:13:48,906 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:13:48,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:13:48 BoogieIcfgContainer [2023-03-30 23:13:48,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:13:48,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:13:48,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:13:48,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:13:48,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:13:47" (1/3) ... [2023-03-30 23:13:48,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:13:48, skipping insertion in model container [2023-03-30 23:13:48,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:47" (2/3) ... [2023-03-30 23:13:48,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:13:48, skipping insertion in model container [2023-03-30 23:13:48,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:13:48" (3/3) ... [2023-03-30 23:13:48,914 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2023-03-30 23:13:48,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:13:48,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:13:48,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:13:48,979 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;@68f00037, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:13:48,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:13:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 23:13:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-03-30 23:13:48,993 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:48,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:48,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:48,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:48,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1249357417, now seen corresponding path program 1 times [2023-03-30 23:13:49,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:49,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907077696] [2023-03-30 23:13:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:49,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:49,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907077696] [2023-03-30 23:13:49,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907077696] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:49,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:49,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 23:13:49,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321201096] [2023-03-30 23:13:49,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:49,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 23:13:49,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:49,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 23:13:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 23:13:49,465 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 23:13:50,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:50,439 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2023-03-30 23:13:50,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 23:13:50,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2023-03-30 23:13:50,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:50,449 INFO L225 Difference]: With dead ends: 596 [2023-03-30 23:13:50,449 INFO L226 Difference]: Without dead ends: 302 [2023-03-30 23:13:50,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-30 23:13:50,455 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 506 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:50,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 21 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 23:13:50,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-03-30 23:13:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2023-03-30 23:13:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 288 states have (on average 1.4548611111111112) internal successors, (419), 290 states have internal predecessors, (419), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-03-30 23:13:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2023-03-30 23:13:50,495 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 64 [2023-03-30 23:13:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:50,495 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2023-03-30 23:13:50,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 23:13:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2023-03-30 23:13:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-03-30 23:13:50,499 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:50,499 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:50,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 23:13:50,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:50,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:50,500 INFO L85 PathProgramCache]: Analyzing trace with hash -468585660, now seen corresponding path program 1 times [2023-03-30 23:13:50,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:50,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195656252] [2023-03-30 23:13:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:50,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:50,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:50,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195656252] [2023-03-30 23:13:50,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195656252] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:50,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:50,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 23:13:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256167186] [2023-03-30 23:13:50,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:50,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 23:13:50,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:50,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 23:13:50,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:13:50,770 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:51,491 INFO L93 Difference]: Finished difference Result 908 states and 1351 transitions. [2023-03-30 23:13:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 23:13:51,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 138 [2023-03-30 23:13:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:51,495 INFO L225 Difference]: With dead ends: 908 [2023-03-30 23:13:51,495 INFO L226 Difference]: Without dead ends: 616 [2023-03-30 23:13:51,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-03-30 23:13:51,497 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 751 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:51,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 51 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 23:13:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-03-30 23:13:51,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 596. [2023-03-30 23:13:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 576 states have (on average 1.296875) internal successors, (747), 584 states have internal predecessors, (747), 6 states have call successors, (6), 6 states have call predecessors, (6), 13 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-03-30 23:13:51,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 782 transitions. [2023-03-30 23:13:51,523 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 782 transitions. Word has length 138 [2023-03-30 23:13:51,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:51,523 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 782 transitions. [2023-03-30 23:13:51,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 782 transitions. [2023-03-30 23:13:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-03-30 23:13:51,525 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:51,526 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:51,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 23:13:51,526 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:51,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:51,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1134623337, now seen corresponding path program 1 times [2023-03-30 23:13:51,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:51,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877968041] [2023-03-30 23:13:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:51,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:51,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877968041] [2023-03-30 23:13:51,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877968041] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:51,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671873402] [2023-03-30 23:13:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:51,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:51,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:52,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:13:52,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 23:13:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:52,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:52,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:52,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:52,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671873402] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:52,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:52,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-03-30 23:13:52,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54847653] [2023-03-30 23:13:52,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:52,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:52,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:52,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:52,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-03-30 23:13:52,342 INFO L87 Difference]: Start difference. First operand 596 states and 782 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:13:52,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:52,687 INFO L93 Difference]: Finished difference Result 1480 states and 2020 transitions. [2023-03-30 23:13:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:52,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 143 [2023-03-30 23:13:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:52,692 INFO L225 Difference]: With dead ends: 1480 [2023-03-30 23:13:52,696 INFO L226 Difference]: Without dead ends: 890 [2023-03-30 23:13:52,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-03-30 23:13:52,699 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 100 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:52,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 67 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:13:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-03-30 23:13:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 890. [2023-03-30 23:13:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 862 states have (on average 1.28538283062645) internal successors, (1108), 874 states have internal predecessors, (1108), 8 states have call successors, (8), 8 states have call predecessors, (8), 19 states have return successors, (61), 7 states have call predecessors, (61), 7 states have call successors, (61) [2023-03-30 23:13:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1177 transitions. [2023-03-30 23:13:52,739 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1177 transitions. Word has length 143 [2023-03-30 23:13:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:52,740 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1177 transitions. [2023-03-30 23:13:52,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:13:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1177 transitions. [2023-03-30 23:13:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-03-30 23:13:52,747 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:52,747 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:52,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 23:13:52,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:52,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:52,953 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:52,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2131542711, now seen corresponding path program 1 times [2023-03-30 23:13:52,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:52,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217389523] [2023-03-30 23:13:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:52,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:53,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:53,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:53,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217389523] [2023-03-30 23:13:53,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217389523] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:53,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:53,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:13:53,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387186647] [2023-03-30 23:13:53,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:53,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:13:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:53,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:13:53,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:13:53,236 INFO L87 Difference]: Start difference. First operand 890 states and 1177 transitions. Second operand has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:54,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:54,006 INFO L93 Difference]: Finished difference Result 2404 states and 3305 transitions. [2023-03-30 23:13:54,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 23:13:54,007 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 159 [2023-03-30 23:13:54,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:54,012 INFO L225 Difference]: With dead ends: 2404 [2023-03-30 23:13:54,012 INFO L226 Difference]: Without dead ends: 1520 [2023-03-30 23:13:54,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:13:54,015 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 531 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:54,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 49 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 23:13:54,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2023-03-30 23:13:54,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1341. [2023-03-30 23:13:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1296 states have (on average 1.1936728395061729) internal successors, (1547), 1319 states have internal predecessors, (1547), 11 states have call successors, (11), 11 states have call predecessors, (11), 33 states have return successors, (115), 10 states have call predecessors, (115), 10 states have call successors, (115) [2023-03-30 23:13:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1673 transitions. [2023-03-30 23:13:54,048 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1673 transitions. Word has length 159 [2023-03-30 23:13:54,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:54,048 INFO L495 AbstractCegarLoop]: Abstraction has 1341 states and 1673 transitions. [2023-03-30 23:13:54,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 5 states have internal predecessors, (153), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1673 transitions. [2023-03-30 23:13:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-03-30 23:13:54,049 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:54,050 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:54,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 23:13:54,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:54,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:54,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1229672328, now seen corresponding path program 1 times [2023-03-30 23:13:54,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:54,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832187755] [2023-03-30 23:13:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:54,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:54,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832187755] [2023-03-30 23:13:54,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832187755] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:54,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:54,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:13:54,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608719327] [2023-03-30 23:13:54,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:54,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:13:54,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:54,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:13:54,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:13:54,629 INFO L87 Difference]: Start difference. First operand 1341 states and 1673 transitions. Second operand has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:55,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:55,657 INFO L93 Difference]: Finished difference Result 2913 states and 3618 transitions. [2023-03-30 23:13:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 23:13:55,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 160 [2023-03-30 23:13:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:55,663 INFO L225 Difference]: With dead ends: 2913 [2023-03-30 23:13:55,663 INFO L226 Difference]: Without dead ends: 1578 [2023-03-30 23:13:55,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-03-30 23:13:55,669 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 893 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:55,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 64 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 23:13:55,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2023-03-30 23:13:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1496. [2023-03-30 23:13:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1443 states have (on average 1.1704781704781704) internal successors, (1689), 1472 states have internal predecessors, (1689), 12 states have call successors, (12), 12 states have call predecessors, (12), 40 states have return successors, (130), 11 states have call predecessors, (130), 11 states have call successors, (130) [2023-03-30 23:13:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1831 transitions. [2023-03-30 23:13:55,706 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1831 transitions. Word has length 160 [2023-03-30 23:13:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:55,707 INFO L495 AbstractCegarLoop]: Abstraction has 1496 states and 1831 transitions. [2023-03-30 23:13:55,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.0) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 23:13:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1831 transitions. [2023-03-30 23:13:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-03-30 23:13:55,710 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:55,710 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:55,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-30 23:13:55,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:55,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash -62451429, now seen corresponding path program 1 times [2023-03-30 23:13:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:55,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091593285] [2023-03-30 23:13:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:13:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-03-30 23:13:56,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:56,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091593285] [2023-03-30 23:13:56,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091593285] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:56,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135431453] [2023-03-30 23:13:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:56,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:56,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:13:56,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 23:13:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:56,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:56,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-03-30 23:13:56,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:56,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135431453] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:56,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:56,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-03-30 23:13:56,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960878356] [2023-03-30 23:13:56,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:56,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:56,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:56,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:56,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:13:56,243 INFO L87 Difference]: Start difference. First operand 1496 states and 1831 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:56,581 INFO L93 Difference]: Finished difference Result 2227 states and 2760 transitions. [2023-03-30 23:13:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:56,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 230 [2023-03-30 23:13:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:56,589 INFO L225 Difference]: With dead ends: 2227 [2023-03-30 23:13:56,589 INFO L226 Difference]: Without dead ends: 2225 [2023-03-30 23:13:56,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:13:56,595 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 126 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:56,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 29 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:13:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2023-03-30 23:13:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1649. [2023-03-30 23:13:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1589 states have (on average 1.18628067967275) internal successors, (1885), 1623 states have internal predecessors, (1885), 13 states have call successors, (13), 13 states have call predecessors, (13), 46 states have return successors, (158), 12 states have call predecessors, (158), 12 states have call successors, (158) [2023-03-30 23:13:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2056 transitions. [2023-03-30 23:13:56,635 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2056 transitions. Word has length 230 [2023-03-30 23:13:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:56,635 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2056 transitions. [2023-03-30 23:13:56,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2056 transitions. [2023-03-30 23:13:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-03-30 23:13:56,638 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:56,638 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:56,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 23:13:56,843 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 [2023-03-30 23:13:56,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:56,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1627301769, now seen corresponding path program 1 times [2023-03-30 23:13:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:56,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896599741] [2023-03-30 23:13:56,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:56,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:13:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:13:57,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:57,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896599741] [2023-03-30 23:13:57,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896599741] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:57,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762371928] [2023-03-30 23:13:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:57,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:13:57,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 23:13:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:57,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:57,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:57,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:13:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:57,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762371928] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:13:57,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:13:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-03-30 23:13:57,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959406500] [2023-03-30 23:13:57,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:13:57,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-30 23:13:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-30 23:13:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-03-30 23:13:57,532 INFO L87 Difference]: Start difference. First operand 1649 states and 2056 transitions. Second operand has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-03-30 23:13:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:58,679 INFO L93 Difference]: Finished difference Result 3763 states and 4818 transitions. [2023-03-30 23:13:58,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-03-30 23:13:58,680 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 232 [2023-03-30 23:13:58,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:58,686 INFO L225 Difference]: With dead ends: 3763 [2023-03-30 23:13:58,686 INFO L226 Difference]: Without dead ends: 2120 [2023-03-30 23:13:58,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-03-30 23:13:58,690 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 671 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:58,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 86 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-30 23:13:58,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2023-03-30 23:13:58,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1804. [2023-03-30 23:13:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1736 states have (on average 1.1762672811059909) internal successors, (2042), 1776 states have internal predecessors, (2042), 14 states have call successors, (14), 14 states have call predecessors, (14), 53 states have return successors, (173), 13 states have call predecessors, (173), 13 states have call successors, (173) [2023-03-30 23:13:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2229 transitions. [2023-03-30 23:13:58,728 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2229 transitions. Word has length 232 [2023-03-30 23:13:58,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:58,729 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2229 transitions. [2023-03-30 23:13:58,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 37.81818181818182) internal successors, (416), 9 states have internal predecessors, (416), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-03-30 23:13:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2229 transitions. [2023-03-30 23:13:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-03-30 23:13:58,732 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:58,732 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:58,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-30 23:13:58,957 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 [2023-03-30 23:13:58,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:58,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:58,958 INFO L85 PathProgramCache]: Analyzing trace with hash 698797453, now seen corresponding path program 1 times [2023-03-30 23:13:58,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:58,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179285378] [2023-03-30 23:13:58,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:58,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-30 23:13:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:13:59,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:59,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179285378] [2023-03-30 23:13:59,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179285378] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:59,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968734636] [2023-03-30 23:13:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:59,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:59,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:13:59,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 23:13:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:59,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:59,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:59,670 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:14:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:14:00,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968734636] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:14:00,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:14:00,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-03-30 23:14:00,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559278144] [2023-03-30 23:14:00,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:14:00,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 23:14:00,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:00,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 23:14:00,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-03-30 23:14:00,034 INFO L87 Difference]: Start difference. First operand 1804 states and 2229 transitions. Second operand has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:14:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:01,462 INFO L93 Difference]: Finished difference Result 4907 states and 6051 transitions. [2023-03-30 23:14:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-30 23:14:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 284 [2023-03-30 23:14:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:01,469 INFO L225 Difference]: With dead ends: 4907 [2023-03-30 23:14:01,469 INFO L226 Difference]: Without dead ends: 2227 [2023-03-30 23:14:01,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 574 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-03-30 23:14:01,475 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1340 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:01,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 58 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 23:14:01,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2023-03-30 23:14:01,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1784. [2023-03-30 23:14:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1726 states have (on average 1.123406720741599) internal successors, (1939), 1756 states have internal predecessors, (1939), 14 states have call successors, (14), 14 states have call predecessors, (14), 43 states have return successors, (123), 13 states have call predecessors, (123), 13 states have call successors, (123) [2023-03-30 23:14:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2076 transitions. [2023-03-30 23:14:01,519 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2076 transitions. Word has length 284 [2023-03-30 23:14:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:01,519 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2076 transitions. [2023-03-30 23:14:01,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 46.5) internal successors, (558), 10 states have internal predecessors, (558), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-03-30 23:14:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2076 transitions. [2023-03-30 23:14:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-03-30 23:14:01,524 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:01,524 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:01,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 23:14:01,729 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 [2023-03-30 23:14:01,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:01,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:01,730 INFO L85 PathProgramCache]: Analyzing trace with hash 189024789, now seen corresponding path program 1 times [2023-03-30 23:14:01,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:01,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657701142] [2023-03-30 23:14:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:14:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-03-30 23:14:02,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:02,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657701142] [2023-03-30 23:14:02,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657701142] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:14:02,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152656097] [2023-03-30 23:14:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:02,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:14:02,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 23:14:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:02,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:14:02,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:14:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-03-30 23:14:02,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:14:02,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152656097] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:02,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:14:02,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-03-30 23:14:02,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729086704] [2023-03-30 23:14:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:02,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:14:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:14:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:14:02,274 INFO L87 Difference]: Start difference. First operand 1784 states and 2076 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:14:02,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:02,571 INFO L93 Difference]: Finished difference Result 1929 states and 2221 transitions. [2023-03-30 23:14:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:14:02,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 320 [2023-03-30 23:14:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:02,576 INFO L225 Difference]: With dead ends: 1929 [2023-03-30 23:14:02,576 INFO L226 Difference]: Without dead ends: 1778 [2023-03-30 23:14:02,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:14:02,578 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 129 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:02,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 24 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:14:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2023-03-30 23:14:02,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1778. [2023-03-30 23:14:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1723 states have (on average 1.1207196749854904) internal successors, (1931), 1750 states have internal predecessors, (1931), 14 states have call successors, (14), 14 states have call predecessors, (14), 40 states have return successors, (118), 13 states have call predecessors, (118), 13 states have call successors, (118) [2023-03-30 23:14:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2063 transitions. [2023-03-30 23:14:02,613 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2063 transitions. Word has length 320 [2023-03-30 23:14:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:02,614 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2063 transitions. [2023-03-30 23:14:02,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:14:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2063 transitions. [2023-03-30 23:14:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-03-30 23:14:02,618 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:14:02,618 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:02,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 23:14:02,823 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 [2023-03-30 23:14:02,824 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:14:02,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:14:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash 919842797, now seen corresponding path program 1 times [2023-03-30 23:14:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:14:02,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011844854] [2023-03-30 23:14:02,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:02,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:14:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:14:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:14:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-30 23:14:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-03-30 23:14:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 174 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-03-30 23:14:03,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:14:03,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011844854] [2023-03-30 23:14:03,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011844854] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:14:03,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153969691] [2023-03-30 23:14:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:14:03,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:14:03,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 23:14:03,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 23:14:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:14:03,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:14:03,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:14:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-03-30 23:14:03,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:14:03,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153969691] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:14:03,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:14:03,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-03-30 23:14:03,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459298025] [2023-03-30 23:14:03,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:14:03,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:14:03,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:14:03,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:14:03,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:14:03,565 INFO L87 Difference]: Start difference. First operand 1778 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:14:03,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:14:03,887 INFO L93 Difference]: Finished difference Result 3695 states and 4382 transitions. [2023-03-30 23:14:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:14:03,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 375 [2023-03-30 23:14:03,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:14:03,888 INFO L225 Difference]: With dead ends: 3695 [2023-03-30 23:14:03,888 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 23:14:03,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:14:03,892 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 110 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 23:14:03,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 28 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 23:14:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 23:14:03,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 23:14:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-30 23:14:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 23:14:03,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 375 [2023-03-30 23:14:03,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:14:03,893 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 23:14:03,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:14:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 23:14:03,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 23:14:03,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 23:14:03,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 23:14:04,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:14:04,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 23:14:06,256 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 23:14:06,257 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 23:14:06,257 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 23:14:06,257 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:14:06,258 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (< |old(~a19~0)| 9) (and .cse0 (<= ~a1~0 23)) (<= ~a10~0 1) (= ~a19~0 9) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a10~0 3)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:14:06,258 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-03-30 23:14:06,259 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-03-30 23:14:06,262 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (< |old(~a19~0)| 9) (and .cse0 (<= ~a1~0 23)) (<= ~a10~0 1) (= ~a19~0 9) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a10~0 3)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0)))) [2023-03-30 23:14:06,262 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:14:06,262 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|) (not (= ~a12~0 0))) [2023-03-30 23:14:06,262 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:14:06,262 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 23:14:06,262 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:14:06,262 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-03-30 23:14:06,263 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2023-03-30 23:14:06,264 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-03-30 23:14:06,265 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-03-30 23:14:06,266 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-03-30 23:14:06,267 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-03-30 23:14:06,268 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-03-30 23:14:06,269 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse2 (< 9 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (and (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (< |old(~a19~0)| 8) .cse2 .cse3) (or .cse0 (< 8 |old(~a19~0)|) (< 3 |old(~a10~0)|) .cse1 .cse3) (or .cse0 (< 23 |old(~a1~0)|) .cse1 .cse2 .cse3) (or .cse0 (< 1 |old(~a10~0)|) .cse1 .cse3))) [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-03-30 23:14:06,270 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-30 23:14:06,271 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-30 23:14:06,272 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-03-30 23:14:06,272 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-30 23:14:06,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:14:06,272 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (<= ~a1~0 23) (= 14 ~a4~0) (= ~a12~0 0) (<= 9 ~a19~0)) [2023-03-30 23:14:06,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:14:06,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 23:14:06,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:14:06,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 23:14:06,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 11:14:06 BoogieIcfgContainer [2023-03-30 23:14:06,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 23:14:06,287 INFO L158 Benchmark]: Toolchain (without parser) took 19056.23ms. Allocated memory was 280.0MB in the beginning and 596.6MB in the end (delta: 316.7MB). Free memory was 238.3MB in the beginning and 374.5MB in the end (delta: -136.2MB). Peak memory consumption was 366.7MB. Max. memory is 8.0GB. [2023-03-30 23:14:06,287 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 23:14:06,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.40ms. Allocated memory is still 280.0MB. Free memory was 238.3MB in the beginning and 210.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 23:14:06,287 INFO L158 Benchmark]: Boogie Preprocessor took 95.93ms. Allocated memory is still 280.0MB. Free memory was 210.6MB in the beginning and 205.8MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-03-30 23:14:06,287 INFO L158 Benchmark]: RCFGBuilder took 1157.07ms. Allocated memory is still 280.0MB. Free memory was 205.8MB in the beginning and 241.5MB in the end (delta: -35.7MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2023-03-30 23:14:06,287 INFO L158 Benchmark]: TraceAbstraction took 17376.63ms. Allocated memory was 280.0MB in the beginning and 596.6MB in the end (delta: 316.7MB). Free memory was 241.0MB in the beginning and 374.5MB in the end (delta: -133.6MB). Peak memory consumption was 368.8MB. Max. memory is 8.0GB. [2023-03-30 23:14:06,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 422.40ms. Allocated memory is still 280.0MB. Free memory was 238.3MB in the beginning and 210.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.93ms. Allocated memory is still 280.0MB. Free memory was 210.6MB in the beginning and 205.8MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1157.07ms. Allocated memory is still 280.0MB. Free memory was 205.8MB in the beginning and 241.5MB in the end (delta: -35.7MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. * TraceAbstraction took 17376.63ms. Allocated memory was 280.0MB in the beginning and 596.6MB in the end (delta: 316.7MB). Free memory was 241.0MB in the beginning and 374.5MB in the end (delta: -133.6MB). Peak memory consumption was 368.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5157 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5157 mSDsluCounter, 477 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 1063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7820 IncrementalHoareTripleChecker+Invalid, 8883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1063 mSolverCounterUnsat, 203 mSDtfsCounter, 7820 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2257 GetRequests, 2147 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1804occurred in iteration=7, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1620 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 83 PreInvPairs, 125 NumberOfFragments, 285 HoareAnnotationTreeSize, 83 FomulaSimplifications, 41693 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3184 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 3689 NumberOfCodeBlocks, 3689 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4187 ConstructedInterpolants, 0 QuantifiedInterpolants, 11375 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2778 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 3102/3122 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((\old(a19) < 9 || (a19 <= 8 && a1 <= 23)) || a10 <= 1) || a19 == 9) || (a19 <= 8 && 8 <= a19)) || !(14 == a4)) || (a19 <= 8 && a10 <= 3)) || 23 < \old(a1)) || !(0 == \old(a10))) || 9 < \old(a19)) || !(a12 == 0) RESULT: Ultimate proved your program to be correct! [2023-03-30 23:14:06,306 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...