/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:54,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:54,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:54,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-01 00:17:54,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:54,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:54,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:54,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:54,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:54,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:54,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:54,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:54,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:54,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:54,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:54,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:54,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:54,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:54,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:54,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:54,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-01 00:17:54,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:54,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:54,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:54,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:54,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:54,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:54,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:54,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:54,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:54,980 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:54,980 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:55,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:55,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:55,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:55,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:55,213 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:55,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c [2022-02-01 00:17:55,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bca416c/6d14eb937b5a4ab696c4df057d4419eb/FLAG649f27818 [2022-02-01 00:17:55,698 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:55,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c [2022-02-01 00:17:55,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bca416c/6d14eb937b5a4ab696c4df057d4419eb/FLAG649f27818 [2022-02-01 00:17:55,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bca416c/6d14eb937b5a4ab696c4df057d4419eb [2022-02-01 00:17:55,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:55,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:55,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:55,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:55,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:55,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:55" (1/1) ... [2022-02-01 00:17:55,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd4ab6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:55, skipping insertion in model container [2022-02-01 00:17:55,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:55" (1/1) ... [2022-02-01 00:17:55,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:55,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:56,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c[16339,16352] [2022-02-01 00:17:56,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:56,052 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:56,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c[16339,16352] [2022-02-01 00:17:56,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:56,165 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56 WrapperNode [2022-02-01 00:17:56,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:56,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:56,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:56,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:56,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:56,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:56,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:56,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:56,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:56,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:56,326 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) [2022-02-01 00:17:56,357 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 [2022-02-01 00:17:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-02-01 00:17:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:56,551 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:56,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:57,134 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:57,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:57,145 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:57,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:57 BoogieIcfgContainer [2022-02-01 00:17:57,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:57,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:57,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:57,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:57,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:55" (1/3) ... [2022-02-01 00:17:57,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5362362e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:57, skipping insertion in model container [2022-02-01 00:17:57,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56" (2/3) ... [2022-02-01 00:17:57,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5362362e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:57, skipping insertion in model container [2022-02-01 00:17:57,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:57" (3/3) ... [2022-02-01 00:17:57,154 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0330a.c [2022-02-01 00:17:57,158 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:57,158 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:57,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:57,201 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=QVASR [2022-02-01 00:17:57,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-02-01 00:17:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:17:57,238 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:57,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:17:57,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:57,243 INFO L85 PathProgramCache]: Analyzing trace with hash -397719560, now seen corresponding path program 1 times [2022-02-01 00:17:57,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:57,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977879854] [2022-02-01 00:17:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:57,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:57,296 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:17:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:17:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:17:57,627 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:57,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977879854] [2022-02-01 00:17:57,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [977879854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:57,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:57,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:57,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563269274] [2022-02-01 00:17:57,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:57,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:57,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:57,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:57,655 INFO L87 Difference]: Start difference. First operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-02-01 00:17:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:58,770 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-02-01 00:17:58,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:58,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2022-02-01 00:17:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:58,786 INFO L225 Difference]: With dead ends: 562 [2022-02-01 00:17:58,786 INFO L226 Difference]: Without dead ends: 281 [2022-02-01 00:17:58,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:17:58,796 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 345 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:17:58,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 358 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-01 00:17:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-01 00:17:58,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-02-01 00:17:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 249 states have (on average 1.3815261044176708) internal successors, (344), 249 states have internal predecessors, (344), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-02-01 00:17:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-02-01 00:17:58,903 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-02-01 00:17:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:58,903 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-02-01 00:17:58,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-02-01 00:17:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-02-01 00:17:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:17:58,904 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:58,905 INFO L514 BasicCegarLoop]: 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] [2022-02-01 00:17:58,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:58,905 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:58,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:58,905 INFO L85 PathProgramCache]: Analyzing trace with hash 754890878, now seen corresponding path program 1 times [2022-02-01 00:17:58,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:58,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069732566] [2022-02-01 00:17:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:58,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:58,908 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:58,955 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:59,011 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:17:59,011 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:17:59,013 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:17:59,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:17:59,017 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:17:59,019 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:17:59,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:17:59 BoogieIcfgContainer [2022-02-01 00:17:59,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:17:59,033 INFO L158 Benchmark]: Toolchain (without parser) took 3301.03ms. Allocated memory was 213.9MB in the beginning and 259.0MB in the end (delta: 45.1MB). Free memory was 157.3MB in the beginning and 123.9MB in the end (delta: 33.4MB). Peak memory consumption was 80.1MB. Max. memory is 8.0GB. [2022-02-01 00:17:59,033 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 213.9MB. Free memory was 175.4MB in the beginning and 175.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:59,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.34ms. Allocated memory was 213.9MB in the beginning and 259.0MB in the end (delta: 45.1MB). Free memory was 157.0MB in the beginning and 215.6MB in the end (delta: -58.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-02-01 00:17:59,034 INFO L158 Benchmark]: Boogie Preprocessor took 123.73ms. Allocated memory is still 259.0MB. Free memory was 215.6MB in the beginning and 209.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:59,034 INFO L158 Benchmark]: RCFGBuilder took 854.79ms. Allocated memory is still 259.0MB. Free memory was 208.8MB in the beginning and 151.1MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-01 00:17:59,035 INFO L158 Benchmark]: TraceAbstraction took 1882.59ms. Allocated memory is still 259.0MB. Free memory was 150.6MB in the beginning and 123.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2022-02-01 00:17:59,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 213.9MB. Free memory was 175.4MB in the beginning and 175.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.34ms. Allocated memory was 213.9MB in the beginning and 259.0MB in the end (delta: 45.1MB). Free memory was 157.0MB in the beginning and 215.6MB in the end (delta: -58.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 123.73ms. Allocated memory is still 259.0MB. Free memory was 215.6MB in the beginning and 209.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 854.79ms. Allocated memory is still 259.0MB. Free memory was 208.8MB in the beginning and 151.1MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1882.59ms. Allocated memory is still 259.0MB. Free memory was 150.6MB in the beginning and 123.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 534, overapproximation of someBinaryArithmeticDOUBLEoperation at line 620, overapproximation of bitwiseAnd at line 615, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L368-L379] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L381-L388] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L390-L399] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L532-L538] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L576-L582] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L644] double x = 1.0 / 0.0; [L645] CALL, EXPR cos_double(x) [L607] double y[2], z = 0.0; [L608] __int32_t n, ix; [L610] ieee_double_shape_type gh_u; [L611] gh_u.value = (x) [L612] EXPR gh_u.parts.msw [L612] (ix) = gh_u.parts.msw [L615] ix &= 0x7fffffff [L616] COND FALSE !(ix <= 0x3fe921fb) [L619] COND TRUE ix >= 0x7ff00000 [L620] return x - x; [L620] return x - x; [L645] RET, EXPR cos_double(x) [L645] double res = cos_double(x); [L648] CALL, EXPR isnan_double(res) [L88] return x != x; [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 390 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 356 mSDtfsCounter, 390 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 [2022-02-01 00:17:59,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...