/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/float-newlib/double_req_bl_1131b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:04:38,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:04:38,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:04:39,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-31 00:04:39,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:04:39,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:04:39,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:04:39,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:04:39,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:04:39,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:04:39,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:04:39,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:04:39,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:04:39,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:04:39,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:04:39,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:04:39,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 00:04:39,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:04:39,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:04:39,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:04:39,169 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 [2023-03-31 00:04:39,186 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:04:39,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:04:39,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:04:39,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:04:39,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:04:39,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:04:39,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:04:39,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:04:39,188 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:04:39,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:04:39,189 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:04:39,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:04:39,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:04:39,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:04:39,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:04:39,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:04:39,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:04:39,190 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:04:39,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:04:39,191 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:04:39,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:04:39,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:04:39,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:04:39,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:04:39,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:04:39,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:04:39,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:04:39,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:04:39,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:04:39,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:04:39,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:04:39,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:04:39,194 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:04:39,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:04:39,194 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:04:39,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:04:39,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:04:39,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:04:39,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:04:39,582 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:04:39,584 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:04:39,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-03-31 00:04:40,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:04:41,113 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:04:41,114 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-03-31 00:04:41,121 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d7d9872/965fbe776a3f4c6c9c7de82fcc73b24b/FLAG04a7cf218 [2023-03-31 00:04:41,135 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d7d9872/965fbe776a3f4c6c9c7de82fcc73b24b [2023-03-31 00:04:41,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:04:41,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:04:41,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:04:41,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:04:41,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:04:41,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647152d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41, skipping insertion in model container [2023-03-31 00:04:41,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:04:41,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:04:41,335 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-03-31 00:04:41,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:04:41,354 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:04:41,393 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-03-31 00:04:41,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:04:41,406 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:04:41,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41 WrapperNode [2023-03-31 00:04:41,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:04:41,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:04:41,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:04:41,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:04:41,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:04:41,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:04:41,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:04:41,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:04:41,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (1/1) ... [2023-03-31 00:04:41,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:04:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:04:41,494 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) [2023-03-31 00:04:41,513 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 [2023-03-31 00:04:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:04:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:04:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:04:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2023-03-31 00:04:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2023-03-31 00:04:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:04:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:04:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:04:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:04:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:04:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2023-03-31 00:04:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:04:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:04:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:04:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 00:04:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:04:41,611 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:04:41,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:04:41,989 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:04:41,994 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:04:41,995 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-03-31 00:04:41,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:04:41 BoogieIcfgContainer [2023-03-31 00:04:41,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:04:41,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:04:41,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:04:42,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:04:42,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:04:41" (1/3) ... [2023-03-31 00:04:42,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61563317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:04:42, skipping insertion in model container [2023-03-31 00:04:42,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:41" (2/3) ... [2023-03-31 00:04:42,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61563317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:04:42, skipping insertion in model container [2023-03-31 00:04:42,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:04:41" (3/3) ... [2023-03-31 00:04:42,002 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2023-03-31 00:04:42,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:04:42,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:04:42,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:04:42,082 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;@736714ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:04:42,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:04:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 127 states have (on average 1.7244094488188977) internal successors, (219), 128 states have internal predecessors, (219), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-03-31 00:04:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-03-31 00:04:42,093 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:04:42,093 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] [2023-03-31 00:04:42,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:04:42,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:04:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash 697172499, now seen corresponding path program 1 times [2023-03-31 00:04:42,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:04:42,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706099815] [2023-03-31 00:04:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:04:42,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:04:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:04:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:04:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 00:04:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:04:42,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:04:42,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706099815] [2023-03-31 00:04:42,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706099815] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:04:42,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:04:42,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 00:04:42,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492307568] [2023-03-31 00:04:42,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:04:42,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 00:04:42,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:04:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 00:04:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 00:04:42,390 INFO L87 Difference]: Start difference. First operand has 137 states, 127 states have (on average 1.7244094488188977) internal successors, (219), 128 states have internal predecessors, (219), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 00:04:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:04:42,782 INFO L93 Difference]: Finished difference Result 266 states and 447 transitions. [2023-03-31 00:04:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 00:04:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-03-31 00:04:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:04:42,789 INFO L225 Difference]: With dead ends: 266 [2023-03-31 00:04:42,789 INFO L226 Difference]: Without dead ends: 132 [2023-03-31 00:04:42,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:04:42,794 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 202 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:04:42,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 7 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:04:42,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-03-31 00:04:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-03-31 00:04:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 124 states have (on average 1.564516129032258) internal successors, (194), 124 states have internal predecessors, (194), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 00:04:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 201 transitions. [2023-03-31 00:04:42,836 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 201 transitions. Word has length 30 [2023-03-31 00:04:42,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:04:42,837 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 201 transitions. [2023-03-31 00:04:42,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 00:04:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2023-03-31 00:04:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-03-31 00:04:42,838 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:04:42,838 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] [2023-03-31 00:04:42,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:04:42,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:04:42,839 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:04:42,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1752568029, now seen corresponding path program 1 times [2023-03-31 00:04:42,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:04:42,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093200990] [2023-03-31 00:04:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:04:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:04:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:04:42,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 00:04:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:04:42,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 00:04:42,989 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 00:04:42,990 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:04:42,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:04:42,995 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 00:04:42,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:04:43,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:04:43 BoogieIcfgContainer [2023-03-31 00:04:43,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:04:43,024 INFO L158 Benchmark]: Toolchain (without parser) took 1887.14ms. Allocated memory is still 324.0MB. Free memory was 273.9MB in the beginning and 227.3MB in the end (delta: 46.6MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2023-03-31 00:04:43,025 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:04:43,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.55ms. Allocated memory is still 324.0MB. Free memory was 273.4MB in the beginning and 259.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-31 00:04:43,026 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 324.0MB. Free memory was 259.8MB in the beginning and 256.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 00:04:43,027 INFO L158 Benchmark]: RCFGBuilder took 524.27ms. Allocated memory is still 324.0MB. Free memory was 256.6MB in the beginning and 221.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-03-31 00:04:43,027 INFO L158 Benchmark]: TraceAbstraction took 1026.09ms. Allocated memory is still 324.0MB. Free memory was 219.9MB in the beginning and 227.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:04:43,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.55ms. Allocated memory is still 324.0MB. Free memory was 273.4MB in the beginning and 259.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 324.0MB. Free memory was 259.8MB in the beginning and 256.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 524.27ms. Allocated memory is still 324.0MB. Free memory was 256.6MB in the beginning and 221.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1026.09ms. Allocated memory is still 324.0MB. Free memory was 219.9MB in the beginning and 227.3MB in the end (delta: -7.3MB). There was no memory consumed. 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 - UnprovableResult [Line: 188]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, \old(Zero_fmod)={6442450950:6442450947}, \old(one_fmod)=6442450952, one_fmod=1] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) VAL [Zero_fmod={4:0}, \old(x)=6442450954, one_fmod=1] [L163] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=6442450954, one_fmod=1, x=6442450954] [L165] ieee_double_shape_type gh_u; [L166] gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] (hx) = gh_u.parts.msw [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [Zero_fmod={4:0}, \old(x)=6442450954, \result=-1, hx=-2147483648, one_fmod=1, x=6442450954] [L182] RET isfinite_double(x) VAL [Zero_fmod={4:0}, isfinite_double(x)=-1, one_fmod=1, x=6442450954] [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, one_fmod=1] [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, one_fmod=1, x=6442450954, y=6442450953] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lx) = ew_u.parts.lsw [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (ly) = ew_u.parts.lsw [L38] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, hx=0, hy=-2147483648, lx=6442450948, ly=0, one_fmod=1, sx=0, x=6442450954, y=6442450953] [L39] hx ^= sx [L40] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, hx=0, hy=0, lx=6442450948, ly=0, one_fmod=1, sx=0, x=6442450954, y=6442450953] [L42] EXPR hy | ly VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, hx=0, hy | ly=0, hy=0, lx=6442450948, ly=0, one_fmod=1, sx=0, x=6442450954, y=6442450953] [L42-L43] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [(hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000)=1, Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, hx=0, hy | ly=0, hy=0, lx=6442450948, ly=0, one_fmod=1, sx=0, x=6442450954, y=6442450953] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=6442450954, \old(y)=6442450953, hx=0, hy=0, lx=6442450948, ly=0, one_fmod=1, sx=0, x=6442450954, y=6442450953] [L184] RET, EXPR fmod_double(x, y) VAL [Zero_fmod={4:0}, fmod_double(x, y)=6442450951, one_fmod=1, x=6442450954, y=6442450953] [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=6442450951, x=6442450954, y=6442450953] [L188] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=6442450951, x=6442450954, y=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 00:04:43,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...