/usr/lib/jvm/java-1.11.0-openjdk-amd64/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 --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-48.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 10:49:52,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 10:49:52,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 10:49:52,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 10:49:52,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 10:49:52,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 10:49:52,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 10:49:52,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 10:49:52,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 10:49:52,197 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 10:49:52,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 10:49:52,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 10:49:52,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 10:49:52,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 10:49:52,199 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 10:49:52,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 10:49:52,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 10:49:52,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 10:49:52,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 10:49:52,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 10:49:52,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 10:49:52,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 10:49:52,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 10:49:52,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 10:49:52,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 10:49:52,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 10:49:52,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 10:49:52,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 10:49:52,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 10:49:52,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 10:49:52,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 10:49:52,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 10:49:52,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:49:52,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 10:49:52,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 10:49:52,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 10:49:52,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 10:49:52,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 10:49:52,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 10:49:52,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 10:49:52,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 10:49:52,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 10:49:52,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 10:49:52,205 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 10:49:52,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 10:49:52,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 10:49:52,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 10:49:52,355 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 10:49:52,357 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 10:49:52,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-48.i [2023-12-19 10:49:53,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 10:49:53,642 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 10:49:53,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-48.i [2023-12-19 10:49:53,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f10b01ca/afc42141ce2a480799480b20c5766322/FLAG4d2e303f0 [2023-12-19 10:49:53,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f10b01ca/afc42141ce2a480799480b20c5766322 [2023-12-19 10:49:53,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 10:49:53,662 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 10:49:53,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 10:49:53,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 10:49:53,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 10:49:53,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eddc05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53, skipping insertion in model container [2023-12-19 10:49:53,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 10:49:53,816 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-48.i[916,929] [2023-12-19 10:49:53,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:49:53,857 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 10:49:53,865 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-48.i[916,929] [2023-12-19 10:49:53,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:49:53,901 INFO L206 MainTranslator]: Completed translation [2023-12-19 10:49:53,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53 WrapperNode [2023-12-19 10:49:53,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 10:49:53,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 10:49:53,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 10:49:53,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 10:49:53,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,958 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-12-19 10:49:53,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 10:49:53,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 10:49:53,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 10:49:53,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 10:49:53,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:53,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,009 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 10:49:54,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 10:49:54,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 10:49:54,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 10:49:54,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 10:49:54,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (1/1) ... [2023-12-19 10:49:54,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:49:54,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:49:54,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 10:49:54,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 10:49:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 10:49:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 10:49:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 10:49:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 10:49:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 10:49:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 10:49:54,204 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 10:49:54,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 10:49:54,375 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 10:49:54,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 10:49:54,401 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 10:49:54,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:49:54 BoogieIcfgContainer [2023-12-19 10:49:54,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 10:49:54,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 10:49:54,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 10:49:54,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 10:49:54,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 10:49:53" (1/3) ... [2023-12-19 10:49:54,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd71c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:49:54, skipping insertion in model container [2023-12-19 10:49:54,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:49:53" (2/3) ... [2023-12-19 10:49:54,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd71c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:49:54, skipping insertion in model container [2023-12-19 10:49:54,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:49:54" (3/3) ... [2023-12-19 10:49:54,408 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-48.i [2023-12-19 10:49:54,420 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 10:49:54,420 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 10:49:54,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 10:49:54,456 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=LoopHeads, 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;@ff23916, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 10:49:54,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 10:49:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 10:49:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-19 10:49:54,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:49:54,469 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:49:54,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:49:54,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:49:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1593262533, now seen corresponding path program 1 times [2023-12-19 10:49:54,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:49:54,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171853802] [2023-12-19 10:49:54,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:49:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:49:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 10:49:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 10:49:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 10:49:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 10:49:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 10:49:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 10:49:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 10:49:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 10:49:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 10:49:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 10:49:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 10:49:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 10:49:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 10:49:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 10:49:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 10:49:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 10:49:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 10:49:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 10:49:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 10:49:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 10:49:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 10:49:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 10:49:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 10:49:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 10:49:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 10:49:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 10:49:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 10:49:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:49:55,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171853802] [2023-12-19 10:49:55,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171853802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:49:55,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:49:55,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 10:49:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877903771] [2023-12-19 10:49:55,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:49:55,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 10:49:55,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:49:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 10:49:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 10:49:55,095 INFO L87 Difference]: Start difference. First operand has 58 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:49:55,143 INFO L93 Difference]: Finished difference Result 113 states and 206 transitions. [2023-12-19 10:49:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 10:49:55,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 152 [2023-12-19 10:49:55,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:49:55,153 INFO L225 Difference]: With dead ends: 113 [2023-12-19 10:49:55,153 INFO L226 Difference]: Without dead ends: 56 [2023-12-19 10:49:55,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 10:49:55,158 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 4 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 10:49:55,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 153 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 10:49:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-12-19 10:49:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-12-19 10:49:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 10:49:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 84 transitions. [2023-12-19 10:49:55,197 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 84 transitions. Word has length 152 [2023-12-19 10:49:55,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:49:55,198 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 84 transitions. [2023-12-19 10:49:55,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2023-12-19 10:49:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-19 10:49:55,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:49:55,202 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:49:55,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 10:49:55,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:49:55,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:49:55,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1591415491, now seen corresponding path program 1 times [2023-12-19 10:49:55,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:49:55,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848043831] [2023-12-19 10:49:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:49:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:49:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 10:49:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 10:49:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 10:49:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 10:49:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 10:49:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 10:49:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 10:49:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 10:49:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 10:49:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 10:49:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 10:49:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 10:49:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 10:49:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 10:49:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 10:49:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 10:49:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 10:49:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 10:49:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 10:49:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 10:49:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 10:49:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 10:49:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 10:49:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 10:49:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 10:49:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 10:49:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 10:49:56,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:49:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848043831] [2023-12-19 10:49:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848043831] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:49:56,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:49:56,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 10:49:56,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35689997] [2023-12-19 10:49:56,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:49:56,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 10:49:56,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:49:56,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 10:49:56,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 10:49:56,665 INFO L87 Difference]: Start difference. First operand 56 states and 84 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:49:56,934 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2023-12-19 10:49:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 10:49:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 152 [2023-12-19 10:49:56,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:49:56,937 INFO L225 Difference]: With dead ends: 95 [2023-12-19 10:49:56,937 INFO L226 Difference]: Without dead ends: 93 [2023-12-19 10:49:56,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-12-19 10:49:56,938 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 67 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 10:49:56,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 392 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 10:49:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-19 10:49:56,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 74. [2023-12-19 10:49:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 10:49:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2023-12-19 10:49:56,954 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 152 [2023-12-19 10:49:56,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:49:56,954 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2023-12-19 10:49:56,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-12-19 10:49:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 10:49:56,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:49:56,956 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:49:56,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 10:49:56,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:49:56,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:49:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash -2099232411, now seen corresponding path program 1 times [2023-12-19 10:49:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:49:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741548864] [2023-12-19 10:49:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:49:56,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:49:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 10:49:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 10:49:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 10:49:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 10:49:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 10:49:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 10:49:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 10:49:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 10:49:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 10:49:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 10:49:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 10:49:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 10:49:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 10:49:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 10:49:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 10:49:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 10:49:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 10:49:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 10:49:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 10:49:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 10:49:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 10:49:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 10:49:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 10:49:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 10:49:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 10:49:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 10:49:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:49:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 10:49:59,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:49:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741548864] [2023-12-19 10:49:59,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741548864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:49:59,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:49:59,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 10:49:59,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000953216] [2023-12-19 10:49:59,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:49:59,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 10:49:59,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:49:59,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 10:49:59,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 10:49:59,132 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:59,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:49:59,420 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2023-12-19 10:49:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 10:49:59,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 153 [2023-12-19 10:49:59,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:49:59,421 INFO L225 Difference]: With dead ends: 93 [2023-12-19 10:49:59,422 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 10:49:59,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-19 10:49:59,423 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 53 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 10:49:59,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 494 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 10:49:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 10:49:59,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 10:49:59,424 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) [2023-12-19 10:49:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 10:49:59,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2023-12-19 10:49:59,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:49:59,424 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 10:49:59,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 10:49:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 10:49:59,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 10:49:59,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 10:49:59,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 10:49:59,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 10:49:59,550 INFO L902 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: true [2023-12-19 10:49:59,550 INFO L902 garLoopResultBuilder]: At program point L85-1(line 85) the Hoare annotation is: true [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L110(lines 71 111) no Hoare annotation was computed. [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-12-19 10:49:59,550 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 70) no Hoare annotation was computed. [2023-12-19 10:49:59,551 INFO L902 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: true [2023-12-19 10:49:59,551 INFO L902 garLoopResultBuilder]: At program point L94-1(line 94) the Hoare annotation is: true [2023-12-19 10:49:59,551 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-12-19 10:49:59,551 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 53) no Hoare annotation was computed. [2023-12-19 10:49:59,551 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 45 53) no Hoare annotation was computed. [2023-12-19 10:49:59,551 INFO L902 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: true [2023-12-19 10:49:59,551 INFO L902 garLoopResultBuilder]: At program point L103-1(line 103) the Hoare annotation is: true [2023-12-19 10:49:59,551 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-12-19 10:49:59,551 INFO L902 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: true [2023-12-19 10:49:59,552 INFO L902 garLoopResultBuilder]: At program point L79-1(line 79) the Hoare annotation is: true [2023-12-19 10:49:59,552 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 50) no Hoare annotation was computed. [2023-12-19 10:49:59,552 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 10:49:59,552 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-12-19 10:49:59,552 INFO L902 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: true [2023-12-19 10:49:59,552 INFO L902 garLoopResultBuilder]: At program point L88-1(line 88) the Hoare annotation is: true [2023-12-19 10:49:59,552 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-12-19 10:49:59,552 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-12-19 10:49:59,553 INFO L902 garLoopResultBuilder]: At program point L97-1(line 97) the Hoare annotation is: true [2023-12-19 10:49:59,553 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2023-12-19 10:49:59,554 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-12-19 10:49:59,554 INFO L902 garLoopResultBuilder]: At program point L122-2(lines 122 128) the Hoare annotation is: true [2023-12-19 10:49:59,554 INFO L899 garLoopResultBuilder]: For program point L122-3(lines 122 128) no Hoare annotation was computed. [2023-12-19 10:49:59,554 INFO L902 garLoopResultBuilder]: At program point L106(line 106) the Hoare annotation is: true [2023-12-19 10:49:59,556 INFO L902 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: true [2023-12-19 10:49:59,557 INFO L902 garLoopResultBuilder]: At program point L106-1(line 106) the Hoare annotation is: true [2023-12-19 10:49:59,557 INFO L902 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: true [2023-12-19 10:49:59,559 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-12-19 10:49:59,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-19 10:49:59,559 INFO L902 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: true [2023-12-19 10:49:59,559 INFO L902 garLoopResultBuilder]: At program point L82-1(line 82) the Hoare annotation is: true [2023-12-19 10:49:59,559 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-12-19 10:49:59,559 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-12-19 10:49:59,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L91-1(line 91) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 44 70) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L100(line 100) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L100-1(line 100) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L109-1(line 109) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-19 10:49:59,560 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-19 10:49:59,563 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-19 10:49:59,565 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 10:49:59,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 10:49:59 BoogieIcfgContainer [2023-12-19 10:49:59,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 10:49:59,572 INFO L158 Benchmark]: Toolchain (without parser) took 5910.25ms. Allocated memory was 332.4MB in the beginning and 402.7MB in the end (delta: 70.3MB). Free memory was 286.5MB in the beginning and 225.9MB in the end (delta: 60.5MB). Peak memory consumption was 131.3MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,572 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 10:49:59,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.58ms. Allocated memory is still 332.4MB. Free memory was 286.5MB in the beginning and 273.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.64ms. Allocated memory is still 332.4MB. Free memory was 273.4MB in the beginning and 270.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,573 INFO L158 Benchmark]: Boogie Preprocessor took 65.79ms. Allocated memory is still 332.4MB. Free memory was 270.3MB in the beginning and 266.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,573 INFO L158 Benchmark]: RCFGBuilder took 375.25ms. Allocated memory is still 332.4MB. Free memory was 265.5MB in the beginning and 245.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,573 INFO L158 Benchmark]: TraceAbstraction took 5168.51ms. Allocated memory was 332.4MB in the beginning and 402.7MB in the end (delta: 70.3MB). Free memory was 244.5MB in the beginning and 225.9MB in the end (delta: 18.6MB). Peak memory consumption was 89.3MB. Max. memory is 8.0GB. [2023-12-19 10:49:59,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.58ms. Allocated memory is still 332.4MB. Free memory was 286.5MB in the beginning and 273.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.64ms. Allocated memory is still 332.4MB. Free memory was 273.4MB in the beginning and 270.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.79ms. Allocated memory is still 332.4MB. Free memory was 270.3MB in the beginning and 266.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 375.25ms. Allocated memory is still 332.4MB. Free memory was 265.5MB in the beginning and 245.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 5168.51ms. Allocated memory was 332.4MB in the beginning and 402.7MB in the end (delta: 70.3MB). Free memory was 244.5MB in the beginning and 225.9MB in the end (delta: 18.6MB). Peak memory consumption was 89.3MB. 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 1039 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 738 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 301 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 95 PreInvPairs, 140 NumberOfFragments, 28 HoareAnnotationTreeSize, 95 FormulaSimplifications, 1984 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FormulaSimplificationsInter, 975 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 1101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3900/3900 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: 122]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-19 10:49:59,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...