/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_0530a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:18:02,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:18:02,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:18:02,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:18:02,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:18:02,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:18:02,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:18:02,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:18:02,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:18:02,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:18:02,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:18:02,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:18:02,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:18:02,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:18:02,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:18:02,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:18:02,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:18:02,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:18:02,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:18:02,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:18:02,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:18:02,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:18:02,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:18:02,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:18:02,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:18:02,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:18:02,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:18:02,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:18:02,772 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 00:18:02,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:18:02,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:18:02,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:18:02,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:18:02,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:02,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:18:02,785 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:18:02,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:18:02,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:18:02,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:18:02,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:18:02,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:18:02,984 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:18:02,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0530a.c [2022-02-01 00:18:03,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e46e442e/7a40b60d300344b5a2d94ab903148716/FLAGc149f71e9 [2022-02-01 00:18:03,434 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:18:03,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0530a.c [2022-02-01 00:18:03,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e46e442e/7a40b60d300344b5a2d94ab903148716/FLAGc149f71e9 [2022-02-01 00:18:03,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e46e442e/7a40b60d300344b5a2d94ab903148716 [2022-02-01 00:18:03,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:18:03,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:18:03,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:03,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:18:03,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:18:03,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94e1110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03, skipping insertion in model container [2022-02-01 00:18:03,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:18:03,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:18:03,735 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_0530a.c[16310,16323] [2022-02-01 00:18:03,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:03,753 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:18:03,803 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_0530a.c[16310,16323] [2022-02-01 00:18:03,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:03,821 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:18:03,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03 WrapperNode [2022-02-01 00:18:03,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:03,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:18:03,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:18:03,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:18:03,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:18:03,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:18:03,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:18:03,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:18:03,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (1/1) ... [2022-02-01 00:18:03,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:03,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:18:03,932 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 00:18:03,951 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 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:18:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:18:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-02-01 00:18:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2022-02-01 00:18:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2022-02-01 00:18:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:18:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:18:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:18:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:18:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:18:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-02-01 00:18:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2022-02-01 00:18:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:18:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:18:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:18:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:18:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:18:04,146 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:18:04,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:18:04,864 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:18:04,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:18:04,876 INFO L299 CfgBuilder]: Removed 67 assume(true) statements. [2022-02-01 00:18:04,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:04 BoogieIcfgContainer [2022-02-01 00:18:04,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:18:04,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:18:04,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:18:04,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:18:04,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:18:03" (1/3) ... [2022-02-01 00:18:04,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d785d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:04, skipping insertion in model container [2022-02-01 00:18:04,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:03" (2/3) ... [2022-02-01 00:18:04,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d785d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:04, skipping insertion in model container [2022-02-01 00:18:04,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:04" (3/3) ... [2022-02-01 00:18:04,886 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530a.c [2022-02-01 00:18:04,889 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:18:04,889 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:18:04,927 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:18:04,933 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 00:18:04,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:18:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 281 states, 250 states have (on average 1.648) internal successors, (412), 251 states have internal predecessors, (412), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-02-01 00:18:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-01 00:18:04,967 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:04,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:18:04,968 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash 96795818, now seen corresponding path program 1 times [2022-02-01 00:18:04,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:04,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460005923] [2022-02-01 00:18:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:04,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:05,021 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:18:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:18:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:05,344 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 00:18:05,346 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:18:05,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460005923] [2022-02-01 00:18:05,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1460005923] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:18:05,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:18:05,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:18:05,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943780700] [2022-02-01 00:18:05,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:18:05,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:18:05,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:18:05,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:18:05,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:18:05,375 INFO L87 Difference]: Start difference. First operand has 281 states, 250 states have (on average 1.648) internal successors, (412), 251 states have internal predecessors, (412), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-01 00:18:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:18:06,348 INFO L93 Difference]: Finished difference Result 554 states and 903 transitions. [2022-02-01 00:18:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:18:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-02-01 00:18:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:18:06,361 INFO L225 Difference]: With dead ends: 554 [2022-02-01 00:18:06,361 INFO L226 Difference]: Without dead ends: 277 [2022-02-01 00:18:06,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:18:06,367 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 340 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:18:06,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 354 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-01 00:18:06,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-02-01 00:18:06,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-02-01 00:18:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 248 states have (on average 1.375) internal successors, (341), 248 states have internal predecessors, (341), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-02-01 00:18:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 376 transitions. [2022-02-01 00:18:06,441 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 376 transitions. Word has length 18 [2022-02-01 00:18:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:18:06,441 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 376 transitions. [2022-02-01 00:18:06,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-01 00:18:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 376 transitions. [2022-02-01 00:18:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-01 00:18:06,442 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:06,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:18:06,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:18:06,443 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:06,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash 943791389, now seen corresponding path program 1 times [2022-02-01 00:18:06,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:06,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823952069] [2022-02-01 00:18:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:06,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:06,446 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:06,516 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:18:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:06,589 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:18:06,590 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:18:06,592 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:18:06,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:18:06,597 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:18:06,598 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:18:06,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:18:06 BoogieIcfgContainer [2022-02-01 00:18:06,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:18:06,613 INFO L158 Benchmark]: Toolchain (without parser) took 3144.05ms. Allocated memory was 206.6MB in the beginning and 289.4MB in the end (delta: 82.8MB). Free memory was 156.8MB in the beginning and 196.0MB in the end (delta: -39.2MB). Peak memory consumption was 44.8MB. Max. memory is 8.0GB. [2022-02-01 00:18:06,613 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 206.6MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:18:06,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.14ms. Allocated memory is still 206.6MB. Free memory was 156.7MB in the beginning and 168.8MB in the end (delta: -12.1MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-02-01 00:18:06,618 INFO L158 Benchmark]: Boogie Preprocessor took 72.26ms. Allocated memory is still 206.6MB. Free memory was 168.8MB in the beginning and 162.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:18:06,618 INFO L158 Benchmark]: RCFGBuilder took 984.18ms. Allocated memory is still 206.6MB. Free memory was 162.1MB in the beginning and 104.5MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-01 00:18:06,618 INFO L158 Benchmark]: TraceAbstraction took 1731.05ms. Allocated memory was 206.6MB in the beginning and 289.4MB in the end (delta: 82.8MB). Free memory was 103.9MB in the beginning and 196.0MB in the end (delta: -92.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:18:06,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 206.6MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 350.14ms. Allocated memory is still 206.6MB. Free memory was 156.7MB in the beginning and 168.8MB in the end (delta: -12.1MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.26ms. Allocated memory is still 206.6MB. Free memory was 168.8MB in the beginning and 162.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 984.18ms. Allocated memory is still 206.6MB. Free memory was 162.1MB in the beginning and 104.5MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1731.05ms. Allocated memory was 206.6MB in the beginning and 289.4MB in the end (delta: 82.8MB). Free memory was 103.9MB in the beginning and 196.0MB in the end (delta: -92.1MB). 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: 659]: 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 535, overapproximation of bitwiseAnd at line 621, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 658. Possible FailurePath: [L19] static const double huge_floor = 1.0e300; [L105-L107] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L176] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L178-L183] 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, }; [L185-L187] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] 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, }; [L375-L382] 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, }; [L384-L393] 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; [L526-L537] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L654] double x = 0.0; [L655] CALL, EXPR tan_double(x) [L612] double y[2], z = 0.0; [L613] __int32_t n, ix; [L616] ieee_double_shape_type gh_u; [L617] gh_u.value = (x) [L618] EXPR gh_u.parts.msw [L618] (ix) = gh_u.parts.msw [L621] ix &= 0x7fffffff [L622] COND FALSE !(ix <= 0x3fe921fb) [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; [L655] RET, EXPR tan_double(x) [L655] double res = tan_double(x); [L658] EXPR res == 0.0 && __signbit_double(res) == 0 [L658] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L659] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 384 IncrementalHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 352 mSDtfsCounter, 384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred 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 00:18:06,646 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...