/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0530b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:23,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:23,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:23,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:23,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:23,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:23,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:23,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:23,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:23,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:23,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:23,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:23,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:23,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:23,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:23,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:23,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:23,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:23,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:23,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:23,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:23,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:23,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:23,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:23,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:58:23,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:23,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:23,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:23,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:58:23,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:23,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:23,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:23,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:23,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:23,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:23,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:23,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:23,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:23,773 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:23,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:23,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:23,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:23,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:23,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:23,983 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:23,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0530b.c [2022-01-31 22:58:24,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fe908d5/2e6f13a33597422e93e55bdbccc870f9/FLAGbd099c3dc [2022-01-31 22:58:24,481 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:24,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0530b.c [2022-01-31 22:58:24,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fe908d5/2e6f13a33597422e93e55bdbccc870f9/FLAGbd099c3dc [2022-01-31 22:58:24,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fe908d5/2e6f13a33597422e93e55bdbccc870f9 [2022-01-31 22:58:24,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:24,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:24,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:24,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:24,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:24,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:24" (1/1) ... [2022-01-31 22:58:24,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50498754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:24, skipping insertion in model container [2022-01-31 22:58:24,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:24" (1/1) ... [2022-01-31 22:58:24,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:24,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:25,196 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_0530b.c[16384,16397] [2022-01-31 22:58:25,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:25,221 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:25,318 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_0530b.c[16384,16397] [2022-01-31 22:58:25,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:25,341 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:25,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25 WrapperNode [2022-01-31 22:58:25,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:25,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:25,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:25,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:25,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:25,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:25,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:25,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:25,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (1/1) ... [2022-01-31 22:58:25,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:25,521 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) [2022-01-31 22:58:25,529 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 [2022-01-31 22:58:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 22:58:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:58:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:58:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:58:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:58:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:58:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-01-31 22:58:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2022-01-31 22:58:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2022-01-31 22:58:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:25,760 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:25,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:26,584 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:26,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:26,598 INFO L299 CfgBuilder]: Removed 67 assume(true) statements. [2022-01-31 22:58:26,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:26 BoogieIcfgContainer [2022-01-31 22:58:26,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:26,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:26,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:26,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:26,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:24" (1/3) ... [2022-01-31 22:58:26,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cd22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:26, skipping insertion in model container [2022-01-31 22:58:26,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:25" (2/3) ... [2022-01-31 22:58:26,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cd22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:26, skipping insertion in model container [2022-01-31 22:58:26,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:26" (3/3) ... [2022-01-31 22:58:26,608 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2022-01-31 22:58:26,612 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:26,612 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:26,657 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:26,664 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=JORDAN [2022-01-31 22:58:26,664 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:26,699 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) [2022-01-31 22:58:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 22:58:26,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:26,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:26,707 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:26,711 INFO L85 PathProgramCache]: Analyzing trace with hash -231751320, now seen corresponding path program 1 times [2022-01-31 22:58:26,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:26,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77643270] [2022-01-31 22:58:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:26,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:26,772 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:58:27,193 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:27,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77643270] [2022-01-31 22:58:27,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [77643270] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:27,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:27,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:27,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310069863] [2022-01-31 22:58:27,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:27,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:27,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:27,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:27,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:27,236 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) [2022-01-31 22:58:28,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:28,402 INFO L93 Difference]: Finished difference Result 554 states and 903 transitions. [2022-01-31 22:58:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:28,404 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 [2022-01-31 22:58:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:28,425 INFO L225 Difference]: With dead ends: 554 [2022-01-31 22:58:28,426 INFO L226 Difference]: Without dead ends: 277 [2022-01-31 22:58:28,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:28,437 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 340 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 22:58:28,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 354 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 22:58:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-01-31 22:58:28,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-01-31 22:58:28,599 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) [2022-01-31 22:58:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 376 transitions. [2022-01-31 22:58:28,604 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 376 transitions. Word has length 18 [2022-01-31 22:58:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:28,605 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 376 transitions. [2022-01-31 22:58:28,605 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) [2022-01-31 22:58:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 376 transitions. [2022-01-31 22:58:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 22:58:28,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:28,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:28,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:28,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:28,609 INFO L85 PathProgramCache]: Analyzing trace with hash -649388255, now seen corresponding path program 1 times [2022-01-31 22:58:28,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:28,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462003489] [2022-01-31 22:58:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:28,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:28,614 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:28,722 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:58:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:28,823 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:58:28,823 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:58:28,826 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:58:28,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:58:28,831 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:58:28,833 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:58:28,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:58:28 BoogieIcfgContainer [2022-01-31 22:58:28,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:58:28,858 INFO L158 Benchmark]: Toolchain (without parser) took 4001.78ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 122.3MB in the beginning and 158.4MB in the end (delta: -36.1MB). Peak memory consumption was 27.4MB. Max. memory is 8.0GB. [2022-01-31 22:58:28,858 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:28,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.29ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 122.1MB in the beginning and 199.3MB in the end (delta: -77.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:28,862 INFO L158 Benchmark]: Boogie Preprocessor took 120.02ms. Allocated memory is still 242.2MB. Free memory was 199.3MB in the beginning and 193.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:58:28,864 INFO L158 Benchmark]: RCFGBuilder took 1137.53ms. Allocated memory is still 242.2MB. Free memory was 192.5MB in the beginning and 134.9MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:28,864 INFO L158 Benchmark]: TraceAbstraction took 2253.62ms. Allocated memory is still 242.2MB. Free memory was 134.3MB in the beginning and 158.4MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:28,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.29ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 122.1MB in the beginning and 199.3MB in the end (delta: -77.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 120.02ms. Allocated memory is still 242.2MB. Free memory was 199.3MB in the beginning and 193.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1137.53ms. Allocated memory is still 242.2MB. Free memory was 192.5MB in the beginning and 134.9MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2253.62ms. Allocated memory is still 242.2MB. Free memory was 134.3MB in the beginning and 158.4MB in the end (delta: -24.0MB). 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: 662]: 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 657, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of someBinaryDOUBLEComparisonOperation at line 661. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] 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, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] 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, }; [L378-L385] 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, }; [L387-L396] 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; [L529-L540] 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, }; [L657] double x = -0.0; [L658] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff [L625] COND FALSE !(ix <= 0x3fe921fb) [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; [L658] RET, EXPR tan_double(x) [L658] double res = tan_double(x); [L661] EXPR res == -0.0 && __signbit_double(res) == 1 [L661] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L662] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 287 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, 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, 355 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 0.7s 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, 0.2s 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: 0.2s 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 [2022-01-31 22:58:28,907 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...